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Influence of melt-treatment on material constants of aluminum sheet used for easy-open can during hot deformation CHEN Yong-lu(陈永禄), FU Gao-sheng(傅高升), CHEN Wen-zhe(陈文哲) College of Materials... compression test at elevated temperature was carried out for aluminum sheets prepared by different melt-treatment methods with aid of dynamic hot/mechanical simulation experimental technology. The material......
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, Fuzhou 350002, China) Abstract:The behavior of flow stress of Al sheets used for pressure can prepared by different melt-treatment during plastic deformation at elevated temperature was studied... by no or conventional melt-treatment, hot deformation activation energy of Al sheets prepared by high-efficient melt-treatment is the smallest (Q = 168.0kJ/mol), which reveals that the hot working......
,Fujian University of Technology, Fuzhou 350014, China) Abstract: Compression test at elevated-temperature of aluminum sheets used for easy-open can prepared by different melt-treatment were carried out... electron microscope. The results show that the metallurgical quality of the sheets influences dynamic recrystallization. Dendrite net-cells exist in the sheets prepared without melt-treatment or by routine......
by overheating the melt of alloy 2618 at 960 ℃ for a definite time, which results in the formation of fine and uniform Al9FeNi phase. Key words: 2618 Al alloy; melt-treatment; solution kinetic; rapid...-wen, LI Jian-guo, FU Heng-zhi. Research and application of melt heat treatment[J]. Journal of Hebei University of Science and Technology, 1998, 19(1): 6-12. [6] GUI Man-chang, JIA Jun, SONG Guang......
: TG244 文献标识码: A Effect of melt treatment on dendrite coherency of A357 alloys LI Jian-feng, LI Jin-shan, KOU Hong-chao, CHEN Zhong-wei, HU Rui, WANG Yi-chuan, FU Heng-zhi, ZHOU Lian (State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xian 710072, China) Abstract: The dendrite coherency point of A357 alloy was determined after melt-treatment by double......
been focused on the effects of alloying element and cooling rate on DCP of aluminum alloys[1-6, 8-10], but there is few study on the effect of melt treatment which are important methods for improving... was proposed to calculate the fraction solid, based on the heat balance of solid and liquid in melt (the deduction of the model will be in described another paper). Table 1 Melt-treatment process......
study was to investigate the use of ultrasonic melt treatment technology in the production of grain-refined billets of the AC7A alloy, which was intended for subsequent use as a feedstock in forming... discussed and analyzed. Key words: Al-4.5Mg alloy; ultrasonic melt treatment; grain refining; intermetallics 1 Introduction Aluminum alloys with magnesium as the major alloying element are used in a wide......
-efficient melt-treatment on the as-cast structures and properties of aluminum ingots used for easy-open can[J]. Journal of Fujian University of Technology, 2003, 1(4): 11-15. [6] Ekstrom H E, Hagstrom J... precipitates in the grains and at the boundaries are observed at 450 ℃, but the coarse non-equilibrium constituent particles still remain. Through the two-step homogenization treatment (600 ℃/12 h+450......
by direct chill cast (DC cast, 723 μm3/s at 580 °C), strain-induced melt activation (SIMA, 483 μm3/s at 580 °C), conventional cast (953 μm3/s at 586 °C), ultrasonic treatment (UST, 534 μm3/s at 586 °C... of the A356 aluminum alloy produced by ultrasonic melt-treatment[J]. Solid State Phenomena, 2008, 141/142/143: 499-504. [20] TZIMAS E, ZAVALIANGOS A. Evolution of near-equiaxed microstructure......
