Relevant bibliographies by topics / Uphill quenching

Academic literature on the topic 'Uphill quenching'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Uphill quenching"

1

Mattos, W. S., G. E. Totten, and L. C. F. Canale. "Uphill Quenching of Aluminum Alloys." Materials Performance and Characterization 6, no. 5 (October 3, 2017): 20160125. http://dx.doi.org/10.1520/mpc20160125.

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Wang, Q. C., Li Tao Wang, and Wei Peng. "Thermal Stress Relief in 7050 Aluminum Forgings by Uphill Quenching." Materials Science Forum 490-491 (July 2005): 97–101. http://dx.doi.org/10.4028/www.scientific.net/msf.490-491.97.

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A novel deep cryogenic treatment is presented to relieve residual stresses in 7050 aluminum alloy parts, in which the parts are submerged in liquid nitrogen and uphill quenched in proprietary QCW-01 quenchant. The optimum parameters of uphill quenching process were concluded in an attempt to combine maximum stress relief with the required levels of mechanical properties. The experimental results show that this novel deep cryogenic treatment can relieve as much as roughly 71% of residual stresses, higher than the traditional treatment uphill quenched in boiling water. An application example is highlighted, in which this uphill quench treatment has resulted in lower levels of residual stresses and machining distortions for an aircraft bulkhead forging.
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Ji, Pengfei, Jin Zhang, Jinghan Yang, Yongle Zhao, Yong Lian, Xiaomin Yuan, Chaoyang Sun, and Shitao Dou. "Effect of Uphill Quenching on Microstructure and Residual Stress Reduction of AZ31B Magnesium Alloy Plate." Metals 12, no. 12 (December 7, 2022): 2102. http://dx.doi.org/10.3390/met12122102.

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Residual stress may be generated during the deformation process; cold and hot treatments on magnesium alloy, causing deformation; cracking; and other effects. Reducing the residual stress of magnesium alloys is of great significance for its size stability and quality. In this paper, the residual stress in the AZ31B plate was compared with different uphill quenching processes: no uphill quenching (NUQ), liquid nitrogen–boiling water (100 °C) (LNB), liquid nitrogen–hot air (160 °C) (LNHA) and liquid nitrogen–water (25 °C) (LNR). Residual stresses with and without treatment were measured by X-ray diffraction. The effect of uphill quenching on hardness was discussed. The microstructure and diffraction pattern of the samples treated with different uphill quenching processes was investigated by EBSD and XRD. The results showed that the microstructure of magnesium alloy rolling plate was refined by the uphill quenching treatment, which can reduce the residual stress without decreasing the mechanical properties. The largest residual stress reduction rate was obtained by the liquid nitrogen–boiling water process. This treatment process can not only reduce the residual stress of the magnesium alloy rolling plates by 56% but also increase the hardness by 29%.
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4

Simencio, E. C. A., L. C. F. Canale, and G. E. Totten. "Uphill quenching of aluminium: a process overview." International Heat Treatment and Surface Engineering 5, no. 1 (March 2011): 26–30. http://dx.doi.org/10.1179/174951410x12851626813177.

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Robinson, J. S., C. E. Truman, A. O’Donovan, and J. Rebelo Kornmeier. "Uphill quenching to reduce residual stress in a heat treatable aluminium alloy." Materials Science and Technology 35, no. 15 (August 14, 2019): 1864–71. http://dx.doi.org/10.1080/02670836.2019.1651986.

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Dean, S. W., and Tom Croucher. "Minimizing Machining Distortion in Aluminum Alloys through Successful Application of Uphill Quenching—A Process Overview." Journal of ASTM International 6, no. 7 (2009): 101770. http://dx.doi.org/10.1520/jai101770.

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Lim, Hak-Jin, Dae-Hoon Ko, Dae-Cheol Ko, and Byung-Min Kim. "Reduction of Residual Stress and Improvement of Dimensional Accuracy by Uphill Quenching for Al6061 Tube." Metallurgical and Materials Transactions B 45, no. 2 (December 20, 2013): 472–81. http://dx.doi.org/10.1007/s11663-013-9997-3.

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Xiao, Y. K., Z. Y. Bian, Y. Wu, G. Ji, Q. Lian, H. Z. Wang, Z. Chen, and H. W. Wang. "Simultaneously minimizing residual stress and enhancing strength of selective laser melted nano-TiB2 decorated Al alloy via post-uphill quenching and ageing." Materials Characterization 178 (August 2021): 111242. http://dx.doi.org/10.1016/j.matchar.2021.111242.

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Lados, Diana A., Diran Apelian, and Libo Wang. "Minimization of residual stress in heat-treated Al–Si–Mg cast alloys using uphill quenching: Mechanisms and effects on static and dynamic properties." Materials Science and Engineering: A 527, no. 13-14 (May 2010): 3159–65. http://dx.doi.org/10.1016/j.msea.2010.01.064.

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Sebastian, Abin, and M. N. V. Prasad. "Photosynthetic light reactions in Oryza sativa L. under Cd stress: Influence of iron, calcium, and zinc supplements." EuroBiotech Journal 3, no. 4 (October 1, 2019): 175–81. http://dx.doi.org/10.2478/ebtj-2019-0021.

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Abstract Some mineral nutrients may help to alleviate cadmium stress in plants. Therefore, influence of Fe, Ca, and Zn supplements on photosynthesis light reactions under Cd stress studied in two Indian rice cultivars namely, MO-16 and MTU-7029 respectively. Exogenous application of both Fe and Ca ions helped to uphold quantum efficiency and linear electron transport during Cd stress. Also, recovery of biomass noticed during Cd treatment with Fe and Ca supplements. It was found that accumulation of carotenoids as well as non photochemical quenching enhances with Fe, Ca, and Zn supplements. Chlorophyll a/b ratio increased with Cd accumulation as a strategy to increase light harvest. Lipid peroxidation level was ascertained the highest during Cd plus Zn treatments. Above results point that both Fe and Ca ions supplements help to alleviate Cd stress on photosynthesis light reactions of rice plants.
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Dissertations / Theses on the topic "Uphill quenching"

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Che-WeiLin and 林哲緯. "Effect of Uphill Quenching on the Microstructure and Properties of FC300." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/73604012812030875810.

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碩士
國立成功大學
機械工程學系碩博士班
100
Precision machine tool industry has been toward the high precision and high stability, so the request of cast iron was more strict and hard to achieve. If the precision machine tool was made of unstable gray cast iron, the error of accuracy would be accumulated by using time increased. In this study, gray cast iron(FC300) by used material in precision machine tool was studied. Using uphill quenching to compare with the influence produced by natural aging is a method to research stability of gray cast iron. In this experiment, feasibility of uphill quenching prompt gray cast iron stable and the evolution of microstructure with different times of cycle were discussed. Finally, the benefit it produced would be evaluated via hardness test. 　The experimental results showed that the phenomenon of graphitization on the part of pearlite matrix would be observed slightly. Part of pearlite matrix dissolved by several times of plastic strain to ferrite and graphite. For the graphite morphology, dimension of graphite increased with cycles and the duration of uphill quenching. Result of hardness did not change significantly, because the phenomenon of graphitization only discover in part of matrix. Moreover, the sample was treated with uphill quenching, and the distortion was observed via residual stress released. Finally, uphill quenching might have some benefits for stabilization of gray cast iron.
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Book chapters on the topic "Uphill quenching"

1

Wang, Q. C., Li Tao Wang, and Wei Peng. "Thermal Stress Relief in 7050 Aluminum Forgings by Uphill Quenching." In Materials Science Forum, 97–101. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-969-5.97.

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da Silva Mattos, Wellington, George Edward Totten, and Lauralice de Campos Franceschini Canale. "Uphill Quenching of Aluminum Alloys." In Encyclopedia of Aluminum and Its Alloys. Boca Raton: CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000235.

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This article describes the concept of uphill quenching process applied in the heat treatment of aluminum alloys. Uphill quenching is interesting since residual stress reductions of up to 80% has been reported. In addition, substantial improvements in dimensional stability have been achieved for several types of aluminum parts. Often, uphill quenching is applied after quenching and before aging during the heat treatment of aluminum alloys. The uphill quenching process consists of the immersion of the part in a cryogenic environment, and after homogenization of the temperature, the part is transferred to the hot steam chamber to obtain a temperature gradient that will maintain the mechanical properties gained with this process. The results obtained are lower residual stress and better dimensional stability. The aim of this article is to provide a review of this process and to compare it with conventional heat treatment.
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da Silva Mattos, Wellington, Barbara Rivolta, George Totten, Lemmy Meekisho, and Lauralice de Campos Franceschini Canale. "Quenching of Aluminum Alloys." In Encyclopedia of Aluminum and Its Alloys. Boca Raton: CRC Press, 2019. http://dx.doi.org/10.1201/9781351045636-140000336.

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This article aims to describe the media, procedures, and techniques applied to quenching for heat treatment of aluminum alloys besides problems related to this specific process. This article presents important topics such as quench sensitivity, cooling curves analysis, showing experimental apparatus details, influence of probe format and comparison between probe types used in quenching, and problems related to surface oxidation due quenching. Polymer quenchants types are analyzed besides quenching parameters. There is a discussion related to surface rewetting and its importance for quenching successful. Different quenching process are presented like “uphill” process comparing as cryo quenching, ultrasonic agitation, and ionic liquids besides topics related to corrosion types and residual stress after quenching.
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