Academic literature on the topic 'High speed steel properties'

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Journal articles on the topic "High speed steel properties"

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Kwok, C. T., K. I. Leong, F. T. Cheng, and H. C. Man. "Enhancement in Properties of High-speed Steel by Laser Surface Treatment(Laser processing)." Proceedings of International Conference on Leading Edge Manufacturing in 21st century : LEM21 2005.1 (2005): 257–62. http://dx.doi.org/10.1299/jsmelem.2005.1.257.

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Nogueira, Rejane A., Oscar O. Araújo Filho, Leonardo F. M. Souza, João Franklin Liberati, Lucio Salgado, and Francisco Ambrozio Filho. "Grain Size of Commercial High Speed Steel." Materials Science Forum 530-531 (November 2006): 16–21. http://dx.doi.org/10.4028/www.scientific.net/msf.530-531.16.

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The heat treatment of high speed steel tools consists of austenitizing, quenching and tempering. The size of austenite grains formed during the hardening treatment is an important factor in the final microstructure of the steel, and it also affects properties such as wear resistance and toughness. This paper presents the austenite grain size, matrix composition and hardness of commercial AISI M2, AISI T15, VWM3C and Sinter 23 high speed steels that were austenitized and quenched from five distinct temperatures. This study shows that increase in quenching temperature results in grain growth of steels such as AISI M2 and VWM3C, obtained by the conventional method (cast to ingot and worked). The P/M Sinter 23 high speed steel showed a slight grain growth (about 10%). This effect was not observed in AISI T15 obtained by the powder metallurgy process.
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Zhou, Rui, Jian Fei Sun, and Ying Jun Yang. "Microstructure and Mechanical Properties of Spray Deposited W9Mo3Cr4V High Speed Steel." Advanced Materials Research 391-392 (December 2011): 714–18. http://dx.doi.org/10.4028/www.scientific.net/amr.391-392.714.

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Microstructure and mechanical properties of W9Mo3Cr4V high speed steel fabricated by spray deposition have been studied. Spray deposited W9Mo3Cr4V high speed steel has a typical equiaxed structure which is finer and more homogeneous with a grain size of 20-30 micrometer compared with conventional casted counterparts. There are pores in the matrix of the deposited steel, which involve gas porosity, filling porosity and solidification shrinkage. As-deposited high speed steel is mainly composed of martensite, austenite and carbides which comprise MC carbide and M6C carbide. Mechanical properties show that the hardness and bending strength of the as-deposited steel are higher than that of the conventionally casted ones. However, impact toughness of the high speed steel is lower than that of the conventionally casted steel, which can be attributed to the existence of porosities and M6C carbides which reduce the impact toughness of high speed steels.
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Skakov, Мazhyn, Bauyrzhan Rakhadilov, and Gaukhar Karipbayeva. "Structure and Properties of SiC Coated R6M5 High-Speed Steel." Key Engineering Materials 594-595 (December 2013): 730–34. http://dx.doi.org/10.4028/www.scientific.net/kem.594-595.730.

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A Possibility of R6M5 High-Speed Steel Strengthening by Finishing Plasma Strengthening(FPS) Method to Application of Sic Thin Film Coatings were under Research. by Scanning Electronmicroscopy and X-Ray Analysis Conducted a Comparative Study of the Structure, Phase and Chemicalcomposition before and after Application of Sic Thin Film Coating of R6M5 High-Speed Steel Surfacelayer. it is Experimentally Stated, that the Coverage of Sic Applied Method FPS Consists of Fineglobular Shape at the Size of 100-300 Nm. Determined that the Microhardness of R6M5 Steel Surfaceafter Application Sic Coating Increased Almost to 2.5 Times Comparing to Original. it is Shown Thatthe Application of Sic Thin Film Coating by FPS Method is a Promising Highly Effective Method Ofcutting Tools Surface Strengthening Made from High Speed Steels.
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Voglar, Jure, Živa Novak, Patricia Jovičević-Klug, Bojan Podgornik, and Tadeja Kosec. "Effect of Deep Cryogenic Treatment on Corrosion Properties of Various High-Speed Steels." Metals 11, no. 1 (December 24, 2020): 14. http://dx.doi.org/10.3390/met11010014.

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The aim of the study was to evaluate the corrosion properties of three different grades of high-speed steel following a heat treatment procedure involving deep cryogenic treatment after quenching and to investigate how these properties are connected to the microstructure and hardness of the material. The hardness of steels was measured, and microstructural properties were determined through observation of the metallographically prepared steels using scanning electron microscopy. These studies were complemented corrosion evaluation by the use of corrosion potential measurement and linear polarization measurement of steels in a sodium tetraborate buffer at pH 10. The results showed that the deep cryogenic procedure of high-speed steel changed the microstructure and consequently affected the hardness of the investigated steels to different extents, depending on their chemical composition. Corrosion studies have confirmed that some high-speed steels have improved corrosion properties after deep cryogenic treatment. The most important improvement in corrosion resistance was observed for deep cryogenically treated high-speed steel EN 1.3395 (M3:2) by 31% when hardened to high hardness values and by 116% under lower hardness conditions. The test procedure for differentiating corrosion properties of differently heat-treated tool steels was established alongside the investigation.
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Skakov, Mazhyn, Bauyrzhan Rakhadilov, and Michael Sсheffler. "Effects of Electrolyte Plasma Carbonitriding on Tribological Properties of High Speed Steel." Advanced Materials Research 712-715 (June 2013): 7–11. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.7.

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This paper presents research of influence electrolyte plasma carbonitriding on tribological properties of R6M5 high-speed steel. Shows perspectiveness of carbonitriding high-speed steels in electrolyte plasma. The results of research demonstrated increasing wear-resistance of R6M5 steel after carbonitriding in electrolyte plasma. Under the same test conditions by the method of scratch-test have been determined that the depth of the scar of a modified layer has become less in comparison with the original sample, which indicates a significant increase of wear-resistance and hardness of the surface carbonitriding layer R6М5 steel. It was set that after electrolytic-plasma carbonitriding abrasive wear-resistance of the surface layers of R6M5 steel is increased by 25%. Introduction
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Mesquita, Rafael Agnelli, and Celso Antonio Barbosa. "Spray forming high speed steel—properties and processing." Materials Science and Engineering: A 383, no. 1 (October 2004): 87–95. http://dx.doi.org/10.1016/j.msea.2004.02.035.

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Velasco, F., R. Isabel, N. Antón, M. A. Martı́nez, and J. M. Torralba. "TiCN—high speed steel composites: sinterability and properties." Composites Part A: Applied Science and Manufacturing 33, no. 6 (June 2002): 819–27. http://dx.doi.org/10.1016/s1359-835x(02)00024-6.

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Ueji, Rintaro, Kenji Harada, Noriyuki Tsuchida, and Kazutoshi Kunishige. "High Speed Deformation of Ultrafine Grained TWIP Steel." Materials Science Forum 561-565 (October 2007): 107–10. http://dx.doi.org/10.4028/www.scientific.net/msf.561-565.107.

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Tensile properties of twinning induced plasticity (TWIP) steels (31%Mn-3%Al-3%Si-Fe) with various mean grain sizes ranging from ultrafine grain size (1.1μm) to conventional one (35.5μm) at a wide range of strain rates from 10-3sec-1 to 103sec-1 were studied. The ultrafine grained TWIP steel exhibits a large work hardening and keeps an adequate elongation at any strain rate. The strength held to the Hall-Petch relationship at each strain rate and the Hall-Petch slopes do not change largely.
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Ma, Sheng Qiang, Jian Dong Xing, Ya Ling He, Ye Fei Li, Han Guang Fu, Zhi Fu Huang, and Yi Min Gao. "Effect of Heat Treatment on Microstructures and Mechanical Properties of Al-Modified Boron High Speed Steel." Key Engineering Materials 732 (March 2017): 24–31. http://dx.doi.org/10.4028/www.scientific.net/kem.732.24.

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Boron-bearing high speed steels are widely used in roller materials because of their improved wear resistance and toughness. In present work, aluminum was added into boron high speed steel and the aging-hardening behavior and microstructures of tempered boron high speed steel at various tempering temperatures were investigated by means of scanning electron microscopy (SEM), X-ray diffraction (XRD), Energy dispersive spectrometry (EDS) and HR-150A Rockwell hardness tester. The results show that the bulk hardness of boron high speed steel gradually enhances with the increasing destabilized temperature. Aluminum addition cuts down the bulk hardness and delays the hardening process, thus leading to high the hardening value of boron high speed steel shifting to higher destabilized temperature. After tempering process, boron-bearing high speed steel displays precipitate-hardening behavior at the tempered temperature of about 520°C. The bulk hardness of boron-bearing high speed steel achieves 60.5 HRC as a maximum value when the aluminum addition is 0.6 wt.%. More aluminum addition can result in lower precipitate-hardening rate and bulk hardness. The microstructures of boron high speed steel tempered at 520°C consist of eutectic borides and tempered martensite dispersed a lot of secondary precipitates. XRD and TEM results indicate that the precipitate-hardening properties of boron high speed steel depend on precipitates and square degree of martensite
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Dissertations / Theses on the topic "High speed steel properties"

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Amen, S. A. "Processing, mechanical and wear properties of BT1 high-speed steel." Thesis, University of Bradford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355216.

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Komatsubara, N. "Microstructure and mechancial properties of rapidly solidified tool steels." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.276570.

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Harlin, Peter. "On the processing of starch consolidated high speed steel - microstructure and tribological properties /." Göteborg : Borlänge : Chalmers University of Technology ; Dalarna University College, 2008. http://publications.lib.chalmers.se/cpl/record/index.xsql?pubid=70098.

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Jonck, Jacobus. "Characterization of industrial high speed steel roll material and effect of annealing prior to heat treatment on the structure and properties." Diss., University of Pretoria, 2017. http://hdl.handle.net/2263/61297.

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Hot strip mills (HSM) are used to roll cast slabs down from their initial size to plate or sheet, which is then used to manufacture a wide variety of goods for many industrial markets. The working rolls that contact and deform the strip are arguably the primary element of the hot strip mills. The work rolls must have sufficient strength to apply the mechanical force to the strip, while still resisting the wear and thermal stresses inherent to the process. The history of the development of these work rolls spans more than a hundred years. The more recent advancement in work roll technology was the development of High Speed Steel (HSS) work rolls during the 1990's. The HSS rolls utilise a variety of carbide forming elements to improve the wear resistance. The South African Roll Company (SARCO) is an established roll producer and the only one in South Africa with a well-established international client base. SARCO is currently developing a range of high quality HSS rolls and has developed an initial HSS grade, which has shown competitive performance and durability in service compared to established HSS alloys from other roll manufacturers. Although the initial trials show great promise, significant potential for development and associated improvements are available. It has been documented that an additional annealing treatment prior to the regular heat treatment will refine the microstructure of HSS rolls, which should improve mechanical properties and performance. However, although pre-annealing has been documented, the degree of mechanical property improvement associated with the pre-annealing has not been studied and the annealing step does not appear to be commonly applied by roll producers. The first aim of this research project was to investigate the properties of the HSS material currently produced by SARCO to elucidate the source of the combination of high wear resistance and durability. The roll material identified for characterisation consisted of four sets of samples. These were subjected to intensive characterisation, which included chemical analysis, ferrite scope measurements, metallography, hardness testing, Scanning Electron Microscopy (SEM) analysis, X-Ray Diffraction (XRD) analysis and Simultaneous Thermal Analysis (STA). The good combination of performance and durability appears to be the product of the Ni additions, W:Mo ratio, high carbon content, high austenitising temperatures and balanced carbide-former additions. The second objective was to investigate the effect of annealing prior to the typical solution, "soft" quench and tempering heat treatment, on the structure and mechanical properties of the HSS material used for the outer shell of mill rolls. As-cast material was used for the analysis, which was subjected to similar intensive characterisation. High Chromium (HC) used in roll material appears to be more sensitive to both temperature and time variations in heat treatment than HSS. No grain refinement of the HSS material was achieved by the pre-annealing. Higher peak hardness and more gradual reduction in hardness beyond the peak was not found under simulated conditions, indicating that a desired increase in hardness will not be achieved in practice. It was evident that the industrial heat treatment condition cannot be sufficiently simulated by shorter time laboratory tests. The effects of pre-annealing should be researched on lower alloy bainitic HSS material if feasible and the improved wear resistance and toughness benefits of pre-annealing could be quantified by performing industrial trials and fracture toughness testing respectively.
Dissertation (MEng)--University of Pretoria, 2017.
Materials Science and Metallurgical Engineering
MEng
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Saikoff, Elsa, Edvin Andersson, Felix Bengtsson, Christoffer Olausen, Monika Galstyan, David Vikström, and Byström Joseph Lazraq. "Cobalt in High Speed Steels." Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-355124.

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One of the most important additives in High Speed Steels (HSS) is cobalt, mainly for its effect on the hot properties. Based on statistic data about the increased price of cobalt and its negative effect on human health, an ethical and financial barrier in the steel industry have occurred. In order to solve the problem, it is of great importance to examine the future cobalt price and accessibility, as well as examine the possibility of finding alternative substitutes to cobalt. The purpose of this project was therefore to examine alternatives to cobalt as an alloying element in HSS. A qualitative literature study was performed by analyzing the economy of cobalt, studying the main reasons for cobalts tendency to improve the hot properties of the steel and finding alternative elements to replace, or at least reduce, cobalt in HSS without degrading the hot properties. Cobalt is used both in the chemical and metallurgical business. But the demand of cobalt is largely driven by chemical purposes with the focus on its rechargeable battery applications. The analysis shows that there is nothing pointing at a significant decrease of the price of cobalt. Lithium ion batteries stands for about 50% of current cobalt supply, which is why the price has surged the recent years. The market for electric vehicles and rechargeable batteries has skyrocketed. To decrease the price of cobalt, a substitute for cobalt in rechargeable batteries would need to be found, which is not very likely for the time being. The effect of cobalt in HSS is mainly on the red hardness and tempering resistance. Cobalt increases the bonding strength in the steel matrix and changes the microstructure of the finer secondary carbides. Also the growth rate and coalescence rate of the carbides decreases. This causes the red hardness and the tempering resistance to increase. To replace cobalt, several alternative alloying elements have been researched. Among the most promising are niobium, nitrogen and aluminium, where niobium were found to be of most interest, due to the broad support of relevant articles in the field of powder metallurgical processing. The positive effect of niobium could be regarded as three-fold. The first contribution is the refinement of grain size and homogeneity of the primary carbides, which increases the overall hardness. The second effect is that the addition of niobium shifts the phase equilibria in such a way that the precipitation of primary carbides mainly will be in the form of hard and stable NbC. The majority of the other alloying elements will hence be precipitated as secondary carbides during tempering. The final effect is an increase in secondary hardness, as a consequence of the large amounts of vanadium and smaller amounts of niobium that is being precipitated during tempering to the secondary carbides. This enables a high matrix hardening potential in the optimal state of tempering.
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Saunders, Nathan David. "High Speed Friction Stir Spot Welding on DP 980 Steel:Joint Properties and Tool Wear." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3003.

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With the desire to improve passenger safety and fuel efficiency, Ultra High Strength Steels (UHSS) have been developed for use in the automotive industry. UHSS are high strength steels with high ductility and strength. DP 980 is one of these UHSS being applied in automobile manufacturing. DP 980 is difficult to join with Resistance Spot Welding (RSW) because of the high carbon content and alloying in this material. The weld becomes brittle when it solidifies during the welding process. With the desire and motivation of widely using UHSS, new welding processes are needed to be developed in order to effectively join DP 980. Friction Stir Spot Welding (FSSW) is a developing welding process aimed to replace RSW in the automotive industry because of its ability to join materials at a lower temperature. Currently the welding loads of the tools are higher than 2000 pounds, ranging from 3,000 to 5,000 pounds, which exceeds the limit of the welding robots in the automotive factories. It is proposed that the welding loads can be reduced by increasing the spindle speed of the FSSW tool. Other focuses in the research include increasing the life of the tool and developing acceptable welding parameters for High Speed FSSW. The experimental work done for this thesis provided support that weld strength can be obtained at levels above the acceptable standard for DP 980 material (greater than 2400 pound lap shear fracture load for 1.2 mm material) while keeping the vertical load on the welding machine spindle below 2000 lbs.
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Rhodes, Nigel Anthony. "The growth, structure and properties of sinter-necks in mixed ferrous powder systems." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263406.

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Bratberg, Johan. "Phase equilibria and thermodynamic properties of high-alloy tool steels : theoretical and experimental approach." Doctoral thesis, Stockholm, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-453.

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Lee, Trevor J. "Investigation of ASTM E 238 Bearing Pin Properties for Various Aerospace Alloys." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/1074.

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Aircraft are often designed with numbers determined by testing in a lab, rather than by repeatedly building prototypes. These lab tests conform to testing specifications so that the numbers can be compared between manufacturers, suppliers, and lab technicians. One such specification is ASTM specification E238 – 84(08), and it is used to determine important properties of a bearing pin joint like hinges, bolt holes, and rivet joints. The properties determined from this fastener-through-plate method are bearing strength, bearing yield strength, and bearing stiffness. Adhering to the methods outlined in ASTM E238, a study was performed, looking at the effects that plate material, fastener used, fastener lubrication, and plate hole preparation method (whether drilled and reamed or just drilled) have on the three bearing joint properties. The plate materials used were Al 7050 – T7451, Ti – 6Al – 4V (mill annealed), and PH13 – 8Mo – H1000. The fasteners were Ti – 6Al – 4V screws, coated A286 screws, and high speed steel (HSS) pins used as a control. Lubrication was tested using a corrosion inhibitor, PR – 1776M B – 2 from PRC – DeSoto, on the fastener or leaving the fastener uncoated. The HSS pins were always tested in the uncoated condition. 54 runs were performed, as outlined by a D-optimal design of experiment. It was discovered from the statistical analysis of the results via ANOVA that both the plate material used and the pin material, whether a screw or a pin, had a significant effect on the bearing strength, bearing yield strength, and bearing stiffness. The interaction between the two factors was also significant on all responses but the bearing stiffness. PH13 – 8Mo – H1000 plates seemed to perform best on average, followed by Ti – 6Al – 4V plates, then Al 7050 – T7451 plates. PH13 – 8Mo – H1000 and Ti – 6Al – 4V plates had similar bearing strength and bearing yield strength averages with the HSS control pins being used, which had the highest mean values for a given plate and fastener. The Ti – 6Al – 4V and A286 screws behaved and performed statistically similar in most cases, except when hole preparation method was take into account. The Ti – 6Al – 4V screws performed better when the hole was drilled and reamed, while the coated A286 screws performed better when the hole was drilled only. All screws had lower resulting bearing properties than the HSS control pins. It was also found that ASTM specification E238 – 84(08) is a precise test method, since the method could be performed repeatably and reliably with no missing data points. Therefore, this ASTM testing method is reasonable for determining bearing properties, which can then be used to design aircraft.
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Wang, Yu. "Mechanical properties and microstructure of laser sintered and starch consolidated iron-based powders." Doctoral thesis, Karlstad : Faculty of Technology and Science, Materials Engineering, Karlstads universitet, 2008. http://www.diva-portal.org/kau/abstract.xsql?dbid=1593.

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Books on the topic "High speed steel properties"

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Hoyle, G. High speed steels. London: Butterworths, 1987.

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Hoyle, G. High speed steels. London: Butterworths, 1988.

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Hancock, Ian Michael. Laser surface modification of BM42 high speed steel. Birmingham: University of Birmingham, 1987.

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Grigorova, Nadejda G. Carbonitrides in nitrogen die and high speed steels: Chemical phase analysis. Sofia: [Intelsoft], 1995.

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McLean, Steven. Chemical vapour deposition of titanium carbide on low alloy high speed steel. Birmingham: University of Birmingham, 1987.

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A, Griffin John. Development of casting technology to allow direct use of steel castings in high speed machining lines. Des Plaines, Ill: Technical Steering Committee, Steel Founders' Society of America, 1987.

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Gavrili͡uk, V. G. High nitrogen steels: Structure, properties, manufacture, applications. New York: Springer, 1999.

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J, DeArdo A., Iron and Steel Society, and Minerals, Metals and Materials Society., eds. Proceedings of the International Conference on Processing, Microstructure, and Properties of Microalloyed and Other Modern High Strength Low Alloy Steels: June 3-6, 1991, Pittsburgh, PA. Warrendale, PA: Iron & Steel Society, 1992.

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Pressure, Vessels and Piping Conference (1986 Chicago Ill ). Properties of high-strength steels for high-pressure containments: Presented at the 1986 Pressure Vessels and Piping Conference and Exhibition, Chicago, Illinois, July 20-24, 1986. New York, N.Y. (345 E. 47th St., New York 10017): American Society of Mechanical Engineers, 1986.

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Pressure Vessels and Piping Conference (1986 Chicago, Ill.). Properties of high-strength steels for high-pressure containments: Presented at the 1986 Pressure Vessels and Piping Conference and Exhibition, Chicago, Illinois, July 20-24, 1986. New York, N.Y. (345 E. 47th St., New York 10017): American Society of Mechanical Engineers, 1986.

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Book chapters on the topic "High speed steel properties"

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Choi, M. K., S. Jeong, H. Huh, C. G. Kim, and K. S. Chae. "Measurement Uncertainty Evaluation for High Speed Tensile Properties of Auto-body Steel Sheets." In Challenges In Mechanics of Time-Dependent Materials and Processes in Conventional and Multifunctional Materials, Volume 2, 109–20. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00852-3_12.

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Leskovšek, Vojteh, and Bojan Podgornik. "Multi-Functional KIc-Test Specimen for Assessment of Different Tool and High-Speed Steel Properties." In Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing, 3387–94. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-48764-9_419.

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Leskovšek, Vojteh, and Bojan Podgornik. "Multi-Functional KIc-Test Specimen for Assessment of Different Tool and High-Speed Steel Properties." In PRICM, 3387–94. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118792148.ch419.

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Mohanty, Shalini, Partha Bhattacharyya, Alok Kumar Das, and Amit Rai Dixit. "Enhancement of Surface Properties of High Speed Steel Using Powder Mixed Micro-electrical Discharge Process." In Advances in Manufacturing Engineering and Materials II, 361–70. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71956-2_30.

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Smith, A. B., and N. C. Whittle. "Effect of A C.V.D. Titanium Nitride Coating on the Cutting Properties of High Speed Steel Tools." In Proceedings of the Twenty-Fifth International Machine Tool Design and Research Conference, 261–68. London: Macmillan Education UK, 1985. http://dx.doi.org/10.1007/978-1-349-07529-4_30.

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Jiménez, J. A., Georg Frommeyer, M. López, N. Candela, and Oscar A. Ruano. "Mechanical Properties of Composite Materials Consisting of M3/2 High Speed Steel Reinforced with Niobium Carbides." In THERMEC 2006, 756–62. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-428-6.756.

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Liu, Rutie, and Xiang Xiong. "Friction and Wear Properties of Sintered Sulfur-Containing High-Speed Steels at Elevated Temperature." In Proceedings of the 8th Pacific Rim International Congress on Advanced Materials and Processing, 353–59. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-48764-9_43.

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Rutie, Liu, and Xiong Xiang. "Friction and Wear Properties of Sintered Sulfur-Containing High-Speed Steels at Elevated Temperature." In PRICM, 353–59. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118792148.ch43.

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Chaus, Alexander S. "Structure and Properties Enhancement in High-Speed Steels upon Primary Solidification of a Melt." In Solid State Phenomena, 267–72. Stafa: Trans Tech Publications Ltd., 2008. http://dx.doi.org/10.4028/3-908451-60-4.267.

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Kloc, A., Leszek A. Dobrzański, G. Matula, and José M. Torralba. "Effect of Manufacturing Methods on Structure and Properties of the Gradient Tool Materials with the Non-Alloy Steel Matrix Reinforced with the HS6-5-2 Type High-Speed Steel." In THERMEC 2006, 2749–54. Stafa: Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-428-6.2749.

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Conference papers on the topic "High speed steel properties"

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Gnilitskyi, Iaroslav, Alberto Rota, Radim Ctvrtlik, Ana Paula Serro, Enrico Gualtieri, and Leonardo Orazi. "Multifunctional Properties of High-speed Highly Uniform Femtosecond Laser Patterning on Stainless steel." In CLEO: Applications and Technology. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/cleo_at.2017.atu1c.5.

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Liujie, Xu, Xing Jiandong, Wei Shizhong, Zhang Songmin, Zhang Yongzhen, and Long Rui. "Use of Artificial Neural Network in Predicting Mechanical Properties of High-Speed Steel (HSS)." In 2006 International Conference on Mechatronics and Automation. IEEE, 2006. http://dx.doi.org/10.1109/icma.2006.257520.

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Penyashki, T., G. Kostadinov, and M. Kandeva. "INVESTIGATION OF THE PROPERTIES OF NON-TUNGSTEN ELECTRO-SPARK COATINGS ON HIGH SPEED STEEL." In BALTTRIB. Aleksandras Stulginskis University, 2017. http://dx.doi.org/10.15544/balttrib.2017.08.

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In this work contactless local electro spark deposition (LESD), has been used to received wear resistant coatings from hard alloys based of ТiC, TiN, TiCN onto high speed steel HS6–5–2. The influence of the operating electric parameters and the electrode materials on the roughness, thickness, microhardness, phase composition, and on the structure of resulting coatings was studied. The impact of different electrode materials on the quality characteristics, the composition and structure of the resulting coatings has been found. The technological parameters of the LESD process for the formation of coatings with a predefined roughness, thickness, composition and structure has been determined.
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Kusinski, Jan P. "Influence of laser melting on microstructure and properties of M2 high-speed tool steel." In Szczecin - DL tentative, edited by Wieslaw L. Wolinski, Bohdan K. Wolczak, Jerzy K. Gajda, Danuta Gajda, and Ryszard S. Romaniuk. SPIE, 1991. http://dx.doi.org/10.1117/12.57186.

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Han, X., Z. He, J. Liu, T. Xu, and H. Zhang. "Study on Structure and Properties of High Speed Steel Powder Coatingssprayed on Surface of Steel s for Cutlery 8Cr13MoV." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019mst/2019/mst_2019_507_514.

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Han, X., Z. He, J. Liu, T. Xu, and H. Zhang. "Study on Structure and Properties of High Speed Steel Powder Coatingssprayed on Surface of Steel s for Cutlery 8Cr13MoV." In MS&T19. TMS, 2019. http://dx.doi.org/10.7449/2019/mst_2019_507_514.

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Budin, Salina, Talib Ria Jaafar, and Mohd Asri Selamat. "Microstructure and mechanical properties of high speed steel with addition of ferrophosphorus on sintering temperature." In INTERNATIONAL CONFERENCE ON ADVANCED SCIENCE, ENGINEERING AND TECHNOLOGY (ICASET) 2015: Proceedings of the 1st International Conference on Advanced Science, Engineering and Technology. Author(s), 2016. http://dx.doi.org/10.1063/1.4965110.

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Ou, Jing, Yingzhen Liu, Patrick Breining, Thomas Gietzelt, Torsten Wunsch, and Martin Doppelbauer. "Study of the Electromagnetic and Mechanical Properties of a High-silicon Steel for a High-speed Interior PM Rotor." In 2019 22nd International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2019. http://dx.doi.org/10.1109/icems.2019.8921800.

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Slewa, Muna. "Crystalline Phase Change due to High Speed Impact on A36 Steel." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24394.

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Abstract The well-known industrial standard called A36 alloy steel is an iron-based alloy that has many applications due to its ability to be easily machined and welded. The alloy has less than 0.3% carbon by weight and is therefore considered a low carbon alloy. Because of this low carbon content, the alloy is useful as a general-purpose steel. It is altogether strong, tough, ductile, weldable, and formable. It is used in the construction of bridges, buildings, automobiles, and heavy equipment as well as in the construction industry. A36 steel also contains small amounts of other elements including manganese, sulfur, phosphorus, and silicon. These elements are added to give the steel alloy desired mechanical and chemical properties. The A36 steel alloy gets the number 36 in its name because of its yield strength. The steel, in most to all configurations, will have a yield strength of a minimum of 36,000 pounds per square inch. This shows high ductility in the material. The physical characteristics and molecular structure of A36 steel are also well known. However, there is little known about the effect of high-velocity impact on the crystalline structure and material phase of this metal alloy. Sections of approximately 90 × 90 square microns were cut off the test samples, keeping with the required standards for surface finish. These surfaces were examined and analyzed after impact. The surface sections were selected from a range of areas including those immediately under the impact crater to locations not physically affected by the impact. Three different impact speeds were applied, and the prepared samples were examined. An EBSD (Electron Backscatter Diffraction) imaging microscope is used to examine the crystalline structure of the test sample post-impact. Most metals crystallize in one of three prevalent structures: body-centered cubic (BCC), hexagonal close-packed (HCP), or face-centered cubic (FCC). Since these crystalline structures are the most expected lattice formations, the samples are examined post impact for changes in the allocation of molecular structure. The results were then tabulated according to the regions relative to the impact crater. In previous research, results show that post-impact inspection of HCP phase change, in iron specifically, is completely and rapidly reversible during impact. However, in this study, traces of HCP were found at some locations in all stages of post-impact. This study also found that the BCC crystalline structure remained the dominant phase structure after impact. This is true with all test samples and all levels of shock loading.
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Kwok, C. T., F. T. Cheng, H. C. Man, and K. I. Leong. "Laser surface melting of high-speed steels for enhancing surface properties." In ICALEO® 2005: 24th International Congress on Laser Materials Processing and Laser Microfabrication. Laser Institute of America, 2005. http://dx.doi.org/10.2351/1.5060573.

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Reports on the topic "High speed steel properties"

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Kanne, W. R. High Strength Stainless Steel Properties that Affect Resistance Welding. Office of Scientific and Technical Information (OSTI), August 2001. http://dx.doi.org/10.2172/784245.

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Matsushima, Takashi. Effect of Grain Scale Properties on Bulk Deformation of Granular Deposits Due to High Speed Projectile Impact. Fort Belvoir, VA: Defense Technical Information Center, April 2013. http://dx.doi.org/10.21236/ada574534.

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Yoshizawa, Hideaki, Akira Usui, Souichiro Nishino, and Kunio Ohya. Evaluation of Shape Freezing Properties on Form Forming Method for High Tensile Steel Sheets (Comparison With V-Bending Process). Warrendale, PA: SAE International, May 2005. http://dx.doi.org/10.4271/2005-08-0087.

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Chandra, Shailesh, Timothy Thai, Vivek Mishra, and Princeton Wong. Evaluating Innovative Financing Mechanisms for the California High-Speed Rail Project. Mineta Transportation Institute, March 2021. http://dx.doi.org/10.31979/mti.2021.2047.

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Millions of dollars are involved in high-speed rail (HSR) infrastructure construction and maintenance. Large-scale projects like HSR require funding from a variety of avenues beyond those available through public monies. Although HSR serves the general public’s mobility needs, any funds (whether State or Federal) flowing from the public exchequer usually undergo strict review and scrutiny. Funds from public agencies are always limited, making such traditional financing mechanisms unsustainable for fulfilling HSR’s long-term operational and maintenance cost needs—on top of initial costs involved in construction. Therefore, any sustainable means of financing HSR projects would always be welcome. This research presents an alternate revenue generation mechanism that could be sustainable for financing HSR’s construction, operation, and maintenance. The methodology involves determining key HSR stations, which, after development and improvement, could significantly add value to businesses and real estate growth. Any form of real estate taxes levied on properties surrounding such stations could substantially support the HSR project’s funding needs. In this research, a bi-objective optimization problem is posed in conjunction with a Pareto-optimal front framework to identify those key stations. With 28 California HSR stations used as an example, it was observed that the four proposed HSR stations in Fullerton, Millbrae-SFO, San Francisco Transbay Terminal, and San Diego would be excellent candidates for development. Their development could increase the economic vitality of surrounding businesses. The findings could serve as valuable information for California HSR authorities to focus on developing key stations that would generate an alternate funding source for an HSR project facing funding challenges.
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Ragalwar, Ketan, William Heard, Brett Williams, Dhanendra Kumar, and Ravi Ranade. On enhancing the mechanical behavior of ultra-high performance concrete through multi-scale fiber reinforcement. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41940.

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Steel fibers are typically used in ultra-high performance concretes (UHPC) to impart flexural ductility and increase fracture toughness. However, the mechanical properties of the steel fibers are underutilized in UHPC, as evidenced by the fact that most of the steel fibers pull out of a UHPC matrix largely undamaged during tensile or flexural tests. This research aims to improve the bond between steel fibers and a UHPC matrix by using steel wool. The underlying mechanism for fiber-matrix bond improvement is the reinforcement of the matrix tunnel, surrounding the steel fibers, by steel wool. Single fiber pullout tests were performed to quantify the effect of steel wool content in UHPC on the fiber-matrix bond. Microscopic observations of pulled-out fibers were used to investigate the fiber-matrix interface. Compared to the control UHPC mixture with no steel wool, significant improvement in the flexural behavior was observed in the UHPC mixtures with steel wool. Thus, the addition of steel wool in steel fiber-reinforced UHPC provides multi-scale reinforcement that leads to significant improvement in fiber-matrix bond and mechanical properties of UHPC.
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INFLUENCE OF COLD-FORMED ANGLE ON HIGH STRENGTH STEEL MATERIAL PROPERTIES. The Hong Kong Institute of Steel Construction, December 2019. http://dx.doi.org/10.18057/ijasc.2019.15.4.2.

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MECHANICAL PROPERTIES OF CORRODED HIGH PERFORMANCE STEEL SPECIMENS BASED ON 3D SCANNING. The Hong Kong Institute of Steel Construction, May 2019. http://dx.doi.org/10.18057/ijasc.2019.15.2.2.

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STUDY ON MICROMECHANICAL FRACTURE MODELS OF STRUCTURAL STEEL AND ITS WELDS. The Hong Kong Institute of Steel Construction, June 2021. http://dx.doi.org/10.18057/ijasc.2021.17.2.2.

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Steel structures have been widely used in constructions due to their advantages of lightweight, high strength, short construction time and high recycling and reuse potential. Fracture failure in steel structures should be prevented to avoid collapse of the whole structures. Micromechanical fracture models can capture the fracture initiation mechanisms and therefore can be used to predict ductile fractures in steel. Twelve smooth round bars were carried out to obtain the material properties and 36 notched round bars were tested to calibrate the parameters of stress modified critical strain (SMCS) model and the void growth model (VGM) for structural steels (Q235B and Q345B) and the corresponding welds. Specimens were extracted from the base metal, the weld metal and the heat affected zone (HAZ) to investigate fracture behaviour in different parts of the welded joint. Scanning electron microscope (SEM) measurements were taken and finite element models were developed to calibrate the models. The test results and calibrated parameters are reported. Moreover, the calibrated models are applied to analyses the fracture behaviour of welded joints and their accuracy are validated. The calibrated and validated models can be used for further numerical fracture analysis in welded steel structures.
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MECHANICAL BEHAVIOR AND CATENARY ACTION OF RESTRAINED STEEL BEAM UNDER FIRE. The Hong Kong Institute of Steel Construction, September 2021. http://dx.doi.org/10.18057/ijasc.2021.17.3.8.

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To investigate the mechanical behavior and catenary action of restrained steel beam under fire, experiments were performed on five H-section restrained steel beams exposed to ISO-834 standard fire. At first, mechanical property tensile tests were performed on 3 room-temperature specimens and 8 high-temperature specimens, and variation laws of the material properties of steel materials with temperature rising were investigated by the high-temperature steady-state tests. Through the fire experiments, the temperature data, mid-span deflections and failure modes of all specimens were obtained. The experimental results show that: (1) a restrained steel beam is prone to in-plane buckling failure under fire; (2) the loading ratio n and axial restraint stiffness Kx have great influences on the catenary action of restrained steel beam under fire; (3) when the loading ratio n is constant, the greater the axial restraint stiffness Kx, the later the catenary action occurs; when the axial restraint stiffness Kx is constant, the greater the loading ratio n, the earlier the catenary action occurs.
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