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and the content of Mn and Al2O3 particles is 0.3 and 0.6 wt pct, respectively. The superplastic deformation behavior was further studied at the temperatures ranging from 673 to 873 K. A maximum...Superplastic Properties of Al2O3/Ni-Mn Nanocomposite Fabricated by ElectrodepositionGuofeng Wang and Kaifeng Zhang National Key Laboratory of Precision Hot Processing of Metals,Harbin Institute......
Trans. Nonferrous Met. Soc. China 22(2012) 1035-1040 Superplastic extensibility deformation of Al-3%Mn alloy with submicrometer grain size XIAO Xuan1, GAO Ci1,2, HOU Jie-shan2, GUO Jian-ting2 1... of the large plastic deformation. Key words: aluminium alloys; mechanical alloying; cold rolling; deformation structure 1 Introduction Superplastic forming at a higher strain rate or lower temperature......
bulging; hot forming; superplastic deformation 钛合金因其密度小,强度高,具有良好的耐热,抗腐蚀性能,在航空航天等领域得到广泛应用[1].随着航空航天事业的发展,钛合金的使用温度逐步提高,迫切需要550 ℃以上的新型高温钛合金材料[2-4].目前,国际先进的高温钛合金主要有:美国的Ti-6242S和Ti-1100,英国的IMI829和IMI834,俄罗斯...:BTi-62421S钛合金；热涨形；热成形；超塑成形 中图分类号:TG457.19 文献标志码:A Hot forming and superplastic forming performance of high-temperature BTi-62421S titanium alloy SHI Ke, GUO Xiao-lin, WANG......
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superplastic deformation, dynamic recovery and recrystallization occur obviously, and the corporate effect of strain hardening and recrystallization softening decides the superplastic ability directly...Superplastic behaviour and microstructure evolution of a fine-grained TA15 titanium alloyZHAO Zhanglong, GUO Hongzhen, CHEN Li, and YAO Zekun School of Material Science and Engineering, Northwestern......
superplastic performance are stable fine grains (<10 ?m), suitable deformation temperature and lower initial strain rate (10-4-10-3 s-1) [8, 9]. The temperature for Al-Mg-Sc alloy to appear... The superplastic deformation is completed mainly through grain boundary sliding, so if there is no other material flow process to offset the cavities induced by grain boundary sliding......
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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......
塑性的有效方法. 关键词:TC11钛合金; 超塑性; 最大m值超塑变形; 变形工艺; TC11 titanium alloy; superplastic deformation; maximum m value superplastic deformation; deformation process; [全文内容正在添加中] ......
. Moreover, the stress levels are higher at temperature below 400 °C but lower at 450 °C compared with the spray deposited 7075Al alloy. Superplastic deformation characteristics are found at temperature...; superplastic deformation 1 Introduction SiC particle reinforced aluminum matrix composites are widely used in structural applications, especially in the aerospace and automobile industries, due......
