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: titanium alloy; Ti-1023 alloy; tensile properties; fatigue property 由于Ti-1023钛合金具有优良的综合性能,应用越来越广,从固定翼飞机起落架,发动机吊挂等主承力结构件发展到直升飞机旋翼系统主承力转动结构 件[1-2].旋翼系统的动部件主要采用抗疲劳设计,因此提高材料的抗疲劳性能对提高零件服役寿命尤为重要.影响零件疲劳寿命的因素很多,主...:A Relationship between fatigue limit and tensile strength of Ti-1023 titanium alloys HUANG Li-jun, QI Li-chun, LIU Chang-kui, LIU De-lin, HUANG Xu (Institute of Aeronautical Materials, Beijing 100095, China......
temperatures on the microstructure and tensile property of Ni-Co film/Fe substrate by in-situ tensile experiments. Tension deformation behavior of the Ni-Co film/substrate system is studied. 2 Experimental Ni... and propagation, the mechanical property of the Ni-Co film/Fe substrate system could be obviously improved by the heat treatment [25]. During the tensile deformation, the higher binding force between film......
phase; intergranular corrosion; tensile property..., Vickers hardness, electrical conductivity, tensile properties test, intergranular corrosion and transmission electron microscopy. The hardness of the alloys aged at 180 ℃ increases to a peak value......
. Key words: titanium matrix composite; heat treatment; microstructure; tensile property 钛合金具有一般材料无法比拟的性能,如密度小,强度高,比强度大(超过高强度钢),热强性高,热稳定性好,化学活性大,导热性差,弹性模量低,抗腐蚀性能好等[1].但是,随着新技术革命浪潮的推进,面对高技术时代对高性能钛合金材料日益紧迫...; 文献标志码:A Effect of heat treatment on tensile properties of in situ synthesized (TiB+La2O3)/Ti composite LI Jiu-xiao, WANG Li-qiang, QIN Ji-ning, CHEN Yi-fei, L? Wei-jie, ZHANG Di (State Key......
is 1497.5 MPa, and the elongation is 6.4%. Key words: titanium alloy; direct rolling; grain refining; tensile property Foundation item: Project (14-1122) supported by the Scientific Research Foundation... of Ti-B20-0.1B alloy solution-treated at 740 ℃ and aged at 550 ℃ for 0.5 h (a) and 2 h (b) 表2 不同温度固溶后Ti-B20-0.1B合金在550 ℃时效1 h的拉伸性能 Table 2 Tensile properties of solution-treated Ti-B20-0.1B......
on the fracture surface, the tensile properties decrease. Key words: Mg-Gd-Y-Zr alloy; plastic deformation; fracture behavior; tensile property; microstructure 1 Introduction Mg-base alloys... Effects of plastic deformation on precipitation behavior and tensile fracture behavior of Mg-Gd-Y-Zr alloy LIN Dan1, WANG Lei1, LIU Yang1, CUI Jian-zhong2, LE Qi-chi2 1. Key Laboratory......
Al-6.5Si-0.45Mg-xSc alloy. Key words: cast Al-Si-Mg-Sc alloy; scandium; zirconium; microstructure; tensile property Foundation item: Project(11372283) supported by the National Natural Science Foundation...; 拉伸试样示意图 Fig. 1 Schematic diagram of tensile sample 2 结果与分析 2.1 Zr对铸造Al-6.5Si-0.45Mg-xSc合金宏观组织的影响 图2所示为不同Zr含量铸造Al-6.5Si-0.45Mg-0.3Sc和Al-6.5Si-0.45Mg-0.45Sc合金的宏观金相照片.由图2可以看出,不加Zr合金(合金......
Tensile properties and microstructure of Ti14 alloy after semi-solid forging CHEN Yong-nan1, WEI Jian-feng2, ZHAO Yong-qing3, ZHANG Xue-min1 1. Engineering Research Center of Transportation... University, Xi’an 710049, China; 3. Northwest Institute for Nonferrous Metal Research, Xi’an 710016, China Received 14 December 2010; accepted 15 May 2011 Abstract: Tensile properties of a new α+Ti2Cu alloy......
塑性大幅提高；双态组织TiAl基合金板材的断裂形式主要以韧性断裂为主,而全片层TiAl基合金板材的断裂形式仍为脆性断裂. 关键词:粉末冶金；TiAl基合金；热处理；拉伸性能 中图分类号:TF 804.3 文献标志码:A Fabrication and tensile property... fracture occurs. Key words: powder metallurgy; TiAl based alloy; heat treatment; tensile property TiAl基合金因其密度低,比强度高和比模量高,蠕变抗力高和抗氧化等优点,在航空航天和汽车等领域具有广阔的应用前景.TiAl基合金板材可以直接用做结构材料,例如返回式航天器的回转体,弹壳体尾翼和弹体蒙......
