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Microstructure evolution of TA15 titanium alloy during hot power spinningCHEN Yong, XU Wen-chen, SHAN De-bin, GUO Bin(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)Abstract:The microstructure evolution of TA15 titanium alloy during hot power spinning was studied. Effects of wall reduction on microstructure evolution of TA15 titanium alloy were......
瞬态热冲击环境下超硬铝合金7A04的力学性能吴大方1,潘兵1,王岳武1,赵寿根1,杨洪源1,黄良1(1.北京市北京航空航天大学航空科学与工程学院)摘 要:使用瞬态气动热实验模拟系统对超硬铝合金7A04在不同瞬态高温热冲击条件下的力学性能进行了气动热模拟和热载联合实验研究,得到7A04在热,力学环境共同作用下的高温强度极限和承载时间等重要表征参数.实验结果表明:超硬铝合金7A04在短时热冲击环境下的强度极限比航空材料手册中长时间恒温下测量的强度极限有明显提高,这为航空航天材料和结构在短时高速热冲击环境下承载能力的......
; 文章编号:1672-7207(2017)05-1141-08 Superplastic deformation behavior of 5A90 aluminum-lithium alloy WANG Guowei1, 2, YE Lingying1, 2, SUN Daxiang1, 2, YANG Tao1, 2, CHEN... curves of 5A90 aluminum-lithium alloy at 500 ℃ and different strain rates 图7 8×10-4 s-1下不同变形温度的5A90铝锂合金应力-应变曲线 Fig. 7 Stress-strain curves 5A90 aluminum-lithium alloy at 8×10-4 s-1......
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University), Changsha 410083, China)Abstract:The elevated-temperature mechanical properties and thermal stability of Al-Cu-Mg-Ag heat-resistant alloy were studied by tensile test, transmission electron... to the increase of the precipitations number and the decrease of the size. The same conclusions are drawn in the study of increasing Mg content. The alloy possesses excellent thermal stability. At 100-150 °C......
分T1相溶解.另外,在焊核心区形成较多位错.关键词:2195铝锂合金;摩擦搅拌焊;力学性能;组织;......
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Abrasive wear property of laser melting/deposited Ti2Ni/TiNi intermetallic alloy GAO Fei(高 飞), WANG Hua-Ming(王华明) Laboratory of Laser Materials Processing and Manufacturing, School of Materials...; Abstract: A wear resistant intermetallic alloy consisting of TiNi primary dendrites and Ti2Ni......