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boundaries appears. Key words: 7050 alloys; tensile test; thermo-plasticity; microstructure; mechanical property 1 Introduction 7××× series aluminum alloys are widely used in the aircraft industry due...-Verlag Berlin Heidelberg 2012 Abstract: Thermo-plasticity of homogenized 7050 aluminum ingot was investigated by instantaneous tensile tests conducted at different temperatures. The results show......
treatment; microstructure; tensile property Ti3Al基金属间化合物具有密度低,比强度高及其它优异的高温性能,是航空,航天飞行器理想的轻质高温结构材料[1].钢铁研究总院研制的Ti-23Al-17Nb合金是一种Ti3Al基合金,具有优良的力学性能和抗氧化性能.用以替代高温合金或耐热不锈钢,质量减轻达40%,对提高航空发动机的推重比和航天发动机的有效发射载荷具...分类号:TG292 文献标志码:A Effect of heat treatment on microstructure and tensile properties of cast Ti-23Al-17Nb alloy HAN Ji-ting, CHENG Yun-jun, LIANG Xiao-bo, ZHANG Jian-wei, LI......
of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: The effects of the multi-stage promotively-solutionizing treatment on the tensile property and fracture.... The results show that the tensile property and fracture toughness of the multi-stage promotively-solutionizing treated samples increase when the last stage temperature increases. When the last stage......
interface in MDCS is responsible for the relatively great strength ratio at 1 000 ℃. Key words: NiCoCrAl/YSZ; microlaminate; EB-PVD; flaw; layer interface; tensile property 1 Introduction Metal/ceramic..., about 0.9 μm and 1.2 μm, respectively, but their average metal-layer thicknesses are equal, about 5 μm. The microstructures and fractographs were examined by SEM. Uniaxial tensile testing......
no obvious effect on the tensile strength of the alloy, while tensile strength decreases obviously when Si content is 1.5%. Key words: Si; K325; solidification behavior; microstructure; tensile property...) alloys after solution treatment 图7 不同Si含量K325合金室温和700 ℃拉伸性能的影响 Fig. 7 Tensile properties of K325 alloy tested at room-temperature and 700 ℃ with different Si contents 3 结论 1) 随着Si含量的增加......
晶；热粘塑性本构；微观组织；拉伸性能 中图分类号:TG 115 文献标识码:A Effect of dynamic recrystallization on tensile properties of AZ31 magnesium alloy sheet HU Li-juan, PENG Ying-hong, TANG Wei-qin... on the tensile properties of AZ31 magnesium alloy sheet was analyzed by numerical and experimental methods. The uniaxial tensile tests were conducted using a Gleeble 3500 thermal-mechanical simulator......
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tensile property by introducing bimodal size distribution of lamellar O for O+B2 Ti2AlNb based alloy[J]. Materials Science & Engineering A, 2013, 587: 54-60. [18] 毛 勇, 李世琼, 张建伟, 彭继华, 邹敦叙, 仲增墉...; tensile property Received date: 2016-02-29; Accepted date: 2016-06-17 Corresponding author: LU Bin; Tel: +86-24-23971961; E-mail: blu@imr.ac.cn (编辑 王 超) 收稿日期:2016-02-29；修订日期:2016-06-17 通信作者:卢......
Effect of element Gd on phase constituent and mechanical property of Mg-5Sn-1Ca alloy SHI Bin-qing(施斌卿)1, 2, CHEN Rong-shi(陈荣石)1, KE Wei(柯伟)1 1. State Key Laboratory for Corrosion and Protection... of α-Mg, Mg2Sn and CaMgSn phases. With the addition of Gd, the formation of the Mg2Sn phase is impeded and the CaMgSn phase is refined, whereas the ultimate tensile strength and elongation decrease......
