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. It was concluded that mechanical properties of magnesium alloys AZ91D could be enhanced by adjusting the extrusion ratio near recrystallization. Key words:magnesium; tube; microstructure; tensile property; [全文内容... of microstructure and mechanical properties of AZ91D during extrusion were studied, the following parameters were obtained: tensile strength reached the climax value of 306.9MPa and elongation peak value......
Fine equiaxed β grains and superior tensile property in Ti–6Al–4V alloy deposited by coaxial electron beam wire feeding additive manufacturingJiahua Zhang1,Yi Yang1,Sheng Cao2,Zhiqiang Cao1,Songquan...–4V alloy fabricated by coaxial electron beam wire feeding additive manufacturing presents a weak anisotropy, high strength and ductility. The superior tensile property arises from a microstructure......
increases from 433 MPa to 573 MPa after forging due to grain refinement effect. Key words: TiAl alloy; microstructure; tensile property; containerless near-isothermal forging; grain refinement 1... Microstructure and tensile properties of containerless near-isothermally forged TiAl alloys HE Wei-wei1, 2, TANG Hui-ping1, LIU Hai-yan1, JIA Wen-peng1, LIU Yong2, YANG Xin1, 2 1. State Key......
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Trans. Nonferrous Met. Soc. China 26(2016) 2672-2678 Effect of glass fibre (GF) addition on microstructure and tensile property of GF/Pb composites fabricated by powder metallurgy Yao-hong GENG1,2... tensile strength and ductility. Key words: GF/Pb composites; powder metallurgy; sintering microstructure; tensile property 1 Introduction Pb-based alloys have been extensively investigated over......
with (0001) basal plane parallel to the rolling surface. The mechanical property tests show that the activity of <> twinning during compression exerts significant effect on the tensile-compressive..., extruded rod and rolled sheet, were examined. The tensile-compressive asymmetry of extruded rod and mechanical anisotropy of rolled sheet were studied in the sight of texture. The EBSD results show......
processing directly. The tensile property and microstructure of the Csf/AZ91D and that of the die-casting and extruded AZ91D alloy was compared. The results show that the short carbon fiber reinforced AZ91D alloy present excellent tensile property. The tensile strength and modulus of elasticity of Csf/AZ91D is about 50% and 18% higher than that of cast AZ91D alloy, respectively. The elongation......
of the amount and pattern of primary α phase, secondary α phase and β phase. Key words: titanium alloy; microstructure; cooling rate; tensile property 随着损伤容限方法被广泛地接受,具有高断裂韧性和低裂纹扩展速率的钛合金受到人们的重视[1].目前,国外已经研制出高断... treatment: (a) Water quenching; (b) Air cooling; (c) Furnace cooling 3 结论 1) 随着固溶冷却速度的降低,β相中的V,Mo和Cr元素含量逐渐升高,Al和Ti含量逐渐下降.同时,合金的初生α相板条宽度增加,β相逐渐减少. 表3 热处理后合金的拉伸性能 Table 3 Tensile......
AZ91 alloy with combined addition of Y and Ca were investigated by optical microscopy, scanning electronic microscopy, X-ray diffractometry and mechanical property test. The results show... and small amount of Ca has little influence on the ambient temperature tensile properties, but increasing the content of Ca can improve significantly the tensile strength at both ambient and elevated......
temperature. Key words: CT20 alloy; cold deformation; annealing; microstructure; tensile property CT20钛合金属于Ti-Al-Zr-Mo系,是一种近α型中强钛合金,该合金由西北有色金属研究院于20世纪90年代末研制成功.CT20钛合金具有良好的冷,热加工性能,可加工成各种形状的压力加工产品.管... of cold deformation and annealing on microstructure and tensile properties of CT20 alloy tube DU Yu, GUO Di-zi, LIU Wei, QI Yun-lian, LU Ya-feng (Northwest Institute for Nonferrous Metal......
