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was significantly improved compared with that of the eutectic Sn-58Bi solder after reflow soldering and liquid-state aging. Key words: Zn; Sn-Bi solder; liquid-state aging; reflow soldering; creep 1... and creep resistance are very important criteria for the low temperature candidate Pb-free solders. Thus, the tensile strength of Sn-58Bi-xZn solder slabs after reflow soldering and liquid-state aging......
TEM images of sample by annealing at 375 ℃ 图9 蠕变时效态试样的TEM像 Fig. 9 TEM images of sample by creep aging 3 讨论 对于FCC面心立方结构金属,影响轧制织构成分的主要因素是金属材料本身的性质和轧制过程中的变形机制[14].而具体到铜,由于层错能较高,层错宽度... of the Cu-0.23%Al2O3 dispersion strengthened alloy treated with cold forging, annealing at 375 ℃ and creep aging at 600 ℃ for 6 hours after annealing at 375 ℃ were measured respectively. The microstructure......
Microstructure and tensile creep resistance ofMg-5.5%Zn-(0.7%, 1.5%, 3.5%, 7.5%)Y alloysCHEN Gang(陈刚), ZHANG Yan-bin(张艳斌), XIA Wei-jun(夏伟军), CHEN Ding(陈鼎)(College of Materials Science and Engineering, Hunan University, Changsha 410082, China)Abstract:Thetensile creep resistance of Mg-5.5%Zn-(0.7%,1.5%,3.5%,7.5%)Y(mass fraction, %) gravity-casting alloys was investigated systematically......
Effect of aging temperature on the microstructures and mechanical properties of ZG12Cr9Mo1Co1NiVNbNB ferritic heat-resistant steelXue Yang1,Lan Sun1,Ji Xiong1,Ping Zhou1,Hong-yuan Fan1,Jian-yong Liu21. School of Manufacturing Science and Engineering, Sichuan University2. Dong Fang Steam Turbine Works摘 要:The effect of aging on the mechanical properties......
Tensile and creep properties of Ti-600 alloy ZENG Li-ying(曾立英)1, 2, HONG Quan(洪权)1, YANG Guan-jun(杨冠军)2, ZHAO Yong-qing(赵永庆)1, QI Yun-lian(戚运莲)1, GUO Ping(郭萍)1 1. Northwest Institute... Institute for Nonferrous Metal Research (NIN) in China. The tensile and creep properties of Ti-600 alloy with different thermal treatment conditions were investigated. The results indicate......
[17] ZHANG Jin, WANG Cheng, ZHANG Yong, DENG Yun-lai. Effects of creep aging upon Al-Cu-Li alloy: Strength, toughness and microstructure [J]. Journal of Alloys and Compounds, 2018, 764: 452-459. https..., HU Li-bin, LIU De-bo, HU Zheng-gen. Creep behavior and mechanical properties of Al-Li-S4 alloys at different aging temperatures [J]. Journal of Central South University, 2020, 27: 1168-1175. https......
; 文章编号:1672-7207(2007)01-0030-06 Evolution of intermetallic compounds in SnAg and SnAgCu lead-free solder joints during aging LI Xiao-yan1, YANG Xiao-hua2, WU...: The types, morphology and distribution of intermetallic compounds (IMCs), and the evolution of the types and composition and morphology of IMC in the joints during the following aging process were......
EVALUATION OF CREEP PROPERTIES FOR 316FR STEEL THICK PLATE WELDMENT USING MINIATURE CREEP SPECIMEN T.Watanabe1,M.Yamazaki1,Y.Monma2,M.Tabuchi1,T.Tanabe1,H.Hongo1 (1.National Institute for Materials Science, Materials Information Technology Station, Tsukuba, Ibaraki 305-0047, Japan;2.Kochi University of Technology, Tosayamada, Kochi 782-8502, Japan) Abstract:Evaluation of creep properties......
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