Дисертації з теми "Aluminum Cracking"
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Paramatmuni, Rohit K. "Solidification cracking resistance of high strength aluminum alloys." Morgantown, W. Va. : [West Virginia University Libraries], 2003. http://etd.wvu.edu/templates/showETD.cfm?recnum=2775.
Повний текст джерелаTitle from document title page. Document formatted into pages; contains xi, 71 p. : ill. Vita. Includes abstract. Includes bibliographical references (p. 53-56).
Xiao, Ming. "Mechanism of stress corrosion cracking of aluminum alloy 7079." Thesis, Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/19174.
Повний текст джерелаYamada, Kazuo. "Stress corrosion cracking behavior of aluminum alloy 7079 in region II." Thesis, Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/19078.
Повний текст джерелаScott, Brian E.-S. "THE ROLE OF STRESS IN THE CORROSION CRACKING OF ALUMINUM ALLOYS." Monterey, California. Naval Postgraduate School, 2013. http://hdl.handle.net/10945/32897.
Повний текст джерелаPalmer, Benjamin. "Environmentally-Assisted Cracking Response in Field-Retrieved 5XXX Alloys." Case Western Reserve University School of Graduate Studies / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1585061712231734.
Повний текст джерелаHarris, James Joel. "Particle cracking damage evolution in 7075 wrought aluminum alloy under monotonic and cyclic loading conditions." Thesis, Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-11222005-144800/.
Повний текст джерелаRechberger, Johann. "The transition from stress corrosion cracking to corrosion fatigue in AA-7075 and AA-8090." Thesis, University of British Columbia, 1990. http://hdl.handle.net/2429/30779.
Повний текст джерелаApplied Science, Faculty of
Materials Engineering, Department of
Graduate
Mattern, Heather R. "Laser peening for mitigation of stress corrosion cracking at welds in marine aluminum." Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/5710.
Повний текст джерелаThis work examines the use of laser peening (LP) for mitigation of stress corrosion cracking (SCC) in marine grade aluminum alloys (Al-Mg). These alloys can be sensitized during welding and will develop a tensile residual stress in the heat affected zone that may promote SCC in a salt water environment. Metal inert gas welded aluminum alloy 5083 (4.8wt% Mg) plate was laser peened using a variety of laser intensities to create compressive stresses. Mechanical tests were performed to investigate the SCC of the material including slow strain rate testing and potentiostatically driven, salt-water exposure. Microstructural and micromechanical tests were performed to characterize the effects of LP on the microstructure of the material. The slow strain rate testing showed a systematic decrease in ductility with increasing LP intensity. The fracture surfaces on all welded samples were indicative of ductile fracture but with a pre-crack length that scaled inversely with LP intensity. The hardness of the material increased with LP intensity. This work suggests that welded aluminum alloy 5083 does not readily stress corrosion crack. LP does affect the mechanical behavior of the material, but its full effect on stress corrosion behavior requires further study.
Cormack, Emily C. "The Effect of Sensitization on the Stress Corrosion Cracking of Aluminum Alloy 5456." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/7325.
Повний текст джерелаBalasundaram, Arunkumar. "Effect of stress state and strain on particle cracking damage evolution in 5086 wrought al-alloy." Thesis, Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/14809.
Повний текст джерелаAkkus, Mert. "Effect Of Welding Parameters On The Hot Cracking Behavior Of 7039 Aluminum - Zinc Alloy." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612548/index.pdf.
Повний текст джерелаPadgett, Barbara Nicole. "Investigation into the stress corrosion cracking properties of AA2099, an Al-Li-Cu alloy." Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1204515486.
Повний текст джерелаTirkes, Suha. "Hot Cracking Susceptibility Of Twin Roll Cast Al-mg Alloys." Phd thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12611202/index.pdf.
Повний текст джерелаBorchers, Tyler Edward. "Weldability and Corrosion of 7xxx Series Aluminum Alloys." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1471362806.
Повний текст джерелаHaase, Jake D. "Microbeam diffraction mapping of microtexture in Al-Li 2090 T8E41." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/19586.
Повний текст джерелаSeong, Jinwook. "Inhibition of Corrosion and Stress Corrosion Cracking of Sensitized AA5083." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1429701294.
Повний текст джерелаWong, Yat Khin. "A phenomenological and mechanistic study of fatigue under complex loading histories." University of Western Australia. School of Mechanical Engineering, 2003. http://theses.library.uwa.edu.au/adt-WU2003.0017.
Повний текст джерелаLiu, Xiaodong. "Effects of stress on intergranular corrosion and intergranular stress corrosion cracking in AA2024-T3." Columbus, Ohio : Ohio State University, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1133313637.
Повний текст джерелаGoetz, John M. "Investigation of coating cracking and fatigue strength of 7050-T74 aluminum alloy with different anodize coating thicknesses." Connect to this title online, 2005. http://hdl.handle.net/1811/327.
Повний текст джерелаTitle from first page of PDF file. Document formattted into pages: contains v, 40 p.; also includes graphics. Includes bibliographical references (p. 39-40). Available online via Ohio State University's Knowledge Bank.
Legait, Pierre-Alexandre. "Formation and distribution of porosity in Al-Si welds." Link to electronic thesis, 2006. http://www.wpi.edu/Pubs/ETD/Available/etd-050806-132406/.
Повний текст джерелаLewis, Jeffrey Keith. "An investigation of stress corrosion cracking in high-strength aluminum alloys, the development of a new test method." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0002/MQ44916.pdf.
Повний текст джерелаChen, Chih-Chang. "Evaluation of weld solidification cracking in aluminum alloys A1- 2219 and A1-2090 using the Gleeble 1500 system /." The Ohio State University, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487687115924536.
Повний текст джерелаLozano-Perez, Sergio. "TEM crack tip investigations of SCC." Thesis, University of Oxford, 2002. http://ora.ox.ac.uk/objects/uuid:7e503ff9-782a-4f74-b184-dddaa96e03e2.
Повний текст джерелаCevik, Gul. "Investigation Of The Effect Of Orientation And Heat Treatment On The Stress Corrosion Cracking Susceptibility Of 7050 Aluminum Alloy." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/12605220/index.pdf.
Повний текст джерелаAravamudhan, Boopa Nandhini. "Study of the Effect of Laser Shock Peening on Corrosion Behavior of Aluminum Alloy 7075." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1535374351540327.
Повний текст джерелаAlbannai, Abdulaziz I. Mr. "Innovative Tandem GTAW with Alternating Side-by-Side Spot-Like Welds to Minimize Centerline Solidification Cracking." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1500528823020898.
Повний текст джерелаPalmer, Benjamin Clive. "Sensitization Effects on Environmentally Enhanced Cracking of 5XXX Series Alloys: Macro and Mesoscale Observations." Case Western Reserve University School of Graduate Studies / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=case1496232162170832.
Повний текст джерелаMorano, Robert Natale. "Effect of R-ratio on crack closure in Al-Li 2090 T8E41, investigated non-destructively with x-ray microtomography." Thesis, Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/19903.
Повний текст джерелаHu, Chao. "Locally enhanced voronoi cell finite element model (LE-VCFEM) for ductile fracture in heterogeneous cast aluminum alloys." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1199209208.
Повний текст джерелаLados, Diana Aida. "Fatigue crack growth mechanisms in Al-Si-Mg alloys." Link to electronic thesis, 2004. http://www.wpi.edu/Pubs/ETD/Available/etd-0204104-125758.
Повний текст джерелаKeywords: Microstructure; Elastic-Plastic Fracture Mechanics; Crack closure; A356; J-integral; Conventionally cast and SSM Al-Si-Mg alloys; Residual stress; Heat treatment; Fatigue crack growth mechanisms; Threshold stress intensity factor; Plastic zone; Paris law; Fracture toughness; Roughness. Includes bibliographical references.
Young, Paul S. "Modeling and Analysis for Atmospheric Galvanic Corrosion of Fasteners in Aluminum." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1430416832.
Повний текст джерелаSchrock, David J. "The Effects of Loading Frequency, Sensitization Level, and Electrochemical Potential on Corrosion Fatigue Kinetics of Aluminum-Magnesium Alloys." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu158793003383275.
Повний текст джерелаConiglio, Nicolas [Verfasser], Andreas [Gutachter] Bertram, Thomas [Gutachter] Böllinghaus, Carroll E. [Gutachter] Cross, and S. [Gutachter] Marya. "Aluminum Alloy Weldability: Identification of Weld Solidification Cracking Mechanisms through Novel Experimental Technique and Model Development / Nicolas Coniglio ; Gutachter: Andreas Bertram, Thomas Böllinghaus, Carroll E. Cross, S. Marya." Berlin : Bundesanstalt für Materialforschung und -prüfung (BAM), 2008. http://d-nb.info/1122835884/34.
Повний текст джерелаZhang, Yang [Verfasser], Johannes A. [Akademischer Betreuer] Lercher, Johannes A. [Gutachter] Lercher, and Klaus [Gutachter] Köhler. "Promotion of cracking and dimerization of hydrocarbons on zeolite Brønsted acid sites by proximity to extra-framework aluminum / Yang Zhang ; Gutachter: Johannes A. Lercher, Klaus Köhler ; Betreuer: Johannes A. Lercher." München : Universitätsbibliothek der TU München, 2018. http://d-nb.info/1202921914/34.
Повний текст джерелаLi, Yizhuo. "Experimental Study of Fatigue Properties under Different Loadings of an AA7075 Alloy Treated by SMAT." Thesis, Troyes, 2021. http://www.theses.fr/2021TROY0006.
Повний текст джерелаThe effects of SMAT on uniaxial and torsional fatigue properties were investigated for a 7075 aluminium alloy. A part of fatigue specimens was heat treated to increase the sensitivity of the material to SMAT represented by its ductility. Basic properties of the alloy in different states treated by SMAT were characterized through tensile tests and microhardness measurements. Compared to as-machined (AM) state, the fatigue lives of SMATed specimens (AM-SMAT) tested under uniaxial loading were increased under high stress amplitudes, but decreased under low amplitudes. However, the fatigue lives of SMATed specimens (HT-SMAT) were increased under all the studied stress amplitudes, with respect to heat treated (HT) state. Similar phenomena were observed for the specimens tested under torsional fatigue. Further analyses were performed to investigate the scatter of fatigue data using a statistical approach. The cracking mechanisms of specimens in different states were analysed through observations of failed specimens. It was revealed that the mechanisms are different for specimens in different states and that they are dependent on the imposed stress levels. Based on these results, both beneficial and detrimental effects exhibited by SMAT were analysed. For this purpose, the role played by various factors including residual stresses, grain refinement and surface roughness, were discussed for both uniaxial and torsional fatigue
Dhondt, Matthieu. "Corrosion sous contrainte intergranulaire du noyau de soudure par FSW de l'alliage Al-Li 2050." Thesis, Bordeaux 1, 2012. http://www.theses.fr/2012BOR14738/document.
Повний текст джерелаTo reduce the aircraft components weight, several solutions were explored. Among them, the using of light aluminum alloys and the substitution of riveting by friction stir welding (FSW) are investigated. Industry is concerned by the question of the life of such structures. For this, this study is focused on intergranular stress corrosion cracking (IGSCC) sensitivity of the 2050 Al-Li-Cu alloy friction stir weld nugget. This material consists of equiaxed grains whose size is decreasing with the distance from the weld surface between 17 µm at the top and 4 µm at the bottom. The “onion rings” microstructure is revealed by EBSD cartographies as a texture variation. They appear with a periodicity of 500 µm corresponding to the advance per revolution of the tool. Those microstructural heterogeneities cause local mechanical field gradients quantified by digital image correlation measurements during mechanical tests. Those microstructural and mechanical heterogeneities promote localized corrosion when the material is submitted to an aggressive environnement. Microstructure and stress effects on IGSCC are shown by corrosion tests and stress corrosion tests. The first ones show a sensitivity to pitting corrosion and a stress application reveal initiation of intergranular cracks. The biggest ones preferentially initiate at “onion rings” boundaries. A finite element model was developed in order to simulate intergranular cracks propagation on real aggregates obtained by EBSD cartographies
Hepples, W. "Environment-sensitive cracking of 7000 series aluminium alloys." Thesis, University of Newcastle Upon Tyne, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.375141.
Повний текст джерелаYuan, Yudie. "Localised corrosion and stress cracking of aluminium-magnesium alloys." Thesis, University of Birmingham, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433422.
Повний текст джерелаWarrington, David. "Studies on the hot cracking behaviour of aluminium alloys." Thesis, University of Liverpool, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316958.
Повний текст джерелаWilliams, J. R. "Corrosion of aluminium-copper-magnesium metal matrix composites." Thesis, University of Nottingham, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239852.
Повний текст джерелаGreen, P. D. "Sacrificial corrosion behaviour of thermally sprayed aluminium alloys." Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239875.
Повний текст джерелаKelly, D. J. "Exfoliation and stress corrosion cracking of the aluminium-lithium alloy 8090." Thesis, Cranfield University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302803.
Повний текст джерелаCano-Castillo, U. "Environment-assisted cracking of spray-formed Al-alloy and Al-alloy-based composite." Thesis, University of Oxford, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.260730.
Повний текст джерелаBrinen, Jeffrey Lawrence. "The effects of nickel on an amorphous silica-alumina cracking catalyst." Thesis, Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/12060.
Повний текст джерелаFuchs, Sven. "Aluminium substrates for high power electronic circuits : a study of cracking properties and metallisation capabilities." Thesis, University of Plymouth, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362075.
Повний текст джерелаWaters, S. "The effect of heat treatment and microstructure on HAZ cracking in a 7XXX series aluminium alloy." Thesis, Swansea University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.639355.
Повний текст джерелаEksi, Murat. "Optimization Of Mechanical And Microstructural Properties Of Weld Joints Between Aluminium-magnesium And Aluminium-magnesium-silicon Alloys With Different Thicknesses." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615649/index.pdf.
Повний текст джерелаsuccessful welding of aluminium alloys gains importance. In this study a research is carried out on eldability of plates having different thicknesses of composition 5754 aluminium and 6063 aluminium in T-fillet geometry using Gas-metal Arc Welding technique. It was aimed to have a successful joint without using pre-weld and post-weld heat treatments. During tests welding current and voltage were the varying parameters as welding speed was held constant. Macro-examinations were performed to see the penetration of the weld metal. It was seen that the type of filler wire greatly effects weld penetration. Hardness tests, tensile tests were done to compare the mechanical properties of the welded joints with different filler wires. Despite having better penetration in 4043 filler wire used weld joints, 5356 filler wire used weld joints had higher tensile strength and ductility. In the second part of the study, a dynamic loading machine was designed and manufactured to see the behavior of the fillet welds under dynamic loading. The amount of stress and strain given to the specimen on this machine was adjustable but can&rsquo
t be measured. The tests that were made with this machine aimed only to compare the number of cycles of specimens before fracture. For dynamic loading tests two groups of specimens were prepared with filler wire 4043
each group having been welded with different heat inputs. It was aimed to see the effect of welding heat input on service lifes but no significant difference between cycle numbers of specimen groups having been welded with different heat inputs was observed. Microstructure examinations of these specimens revealed that coarsening the grains, grain boundaries, particles in PMZ and HAZ regions between Al 6063 base metal and weld zone made these areas more susceptible and favorable for crack propogation than Al 6063 base metal.
Beskari, Mohamed Ali. "Dynamic analysis of diffusion and convection in porous catalysts." Thesis, University of Salford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244857.
Повний текст джерелаAmurwabumi, Kreshna. "A study of ultrasound backscatter techniques for monitoring stresses and simulated crack mouth opening in aluminium alloys and steel used for offshore oil platforms." Thesis, Brunel University, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235896.
Повний текст джерелаBatigun, Caner. "Determination Of Welding Parameter Dependent Hot Cracking Susceptibility Of 5086-h32 Aluminium Alloy With The Use Of Mvt Method." Phd thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/3/12605721/index.pdf.
Повний текст джерела