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in coronary artery[J]. Medical Recapitulate, 2015, 21(2): 193-195. [5] PARK S H, HONG S G, LEE C S. Enhanced stretch formability of rolled Mg-3Al-1Zn alloy at room temperature by initial twins[J..., WU Jiang, GUO Guang-ping. Influencing factors and improving methods of room temperature formability of magnesium alloy sheet[J]. Hot Working Technology, 2015, 44(17): 6-9. [7] SHI Z Z, ZHANG Y, WAGNER......
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Texture and stretch formability of rolled Mg–Zn–RE(Y, Ce, and Gd) alloys at room temperatureZheng-Xu Cai,Hai-Tao Jiang,Di Tang,Zhao Ma,Qiang KangNational Engineering Research Center of Advanced Rolling, University of Science and Technology Beijing摘 要:To develop a new magnesium alloy with excellent formability at room temperature,the effect of Y,Ce......
Microstructure,tensile properties and free bulge formability of Sr-and Y-containing AZ31 alloy sheet produced by twin-roll casting and sequential hot rollingPeng Jiang1,2,Luo-Bin Li1,Yan-Dong...">The effects of Sr and Y on microstructure,tensile property and free bulge formability of AZ31 alloy sheet produced by twin-roll casting and sequential hot rolling were investigated to improve......
Working hardening behaviors of severely cold deformed and fine-grained AZ31 Mg alloys at room temperatureCHAO Hong-ying, SUN Hong-fei, WANG Er-de(School of Materials Science and Engineering, Harbin... curves of each investigated sample were analyzed for the dependence on drawn area reduction and mean grain size. The results show that the cold drawn samples exhibit a constant elastic modulus......
Microstructure stability of cold drawn AZ31 magnesium alloy during annealing processSUN Hong-fei, CHAO Hong-ying, WANG Er-de(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)Abstract:The microstructural evolution of heavily cold drawn AZ31 magnesium alloy wires was investigated during a wide range of annealing temperature from 200 to 450 °C......
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Effect of large cold deformation after solution treatment on precipitation characteristic and deformation strengthening of 2024 and 7A04 aluminum alloys NING Ai-lin(宁爱林)1, 2, LIU Zhi-yi(刘志义)1... Received 2 March 2006; accepted 26 June 2006 Abstract: The effects of large cold deformation after solution treatment on the precipitation characteristic and deformation strength of 2024 and 7A04......
热镀锌板镀层耐剥离性研究郭太雄1,金永清2,张勇1,刘春富1(1.攀钢集团研究院有限公司,四川成都 6117312.攀枝花钢钒有限公司,四川攀枝花 617022)摘 要:针对热镀锌板在冲压成形过程中镀层局部剥离的问题,在分析其微观特征的基础上,通过试验研究了镀层厚度,钢基强度及镀层铝含量对镀层耐剥离性的影响.结果表明:该镀层剥离实际上是镀层在厚度方向上远离镀层/钢基界面的局部脱落,而不是因镀层/钢基界面附着力较差所致的镀层整体脱落;随着镀层厚度的增加,镀层耐剥离性显著下降;随着钢基屈强比的增加,镀层耐剥离性下降......
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