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Microstructure and mechanical property of MIM 418 superalloyFu-Bao Yang1,Yan-Hong Jing1,Dan Li2,Lin Zhang2,Da-Quan Li1,Qiang Zhu11. National Engineering and Technology Research Center for Nonferrous... on the characteristic analysis of 418 alloy powder. And comparison analysis of the microstructure and mechanical property between the MIM 418 and as-cast 418 alloys was performed by scanning electron microscopy(SEM......
at the temperature no higher than recrystallization temperature with slight decrease of tensile strength. Key words: TA15 alloy; hot spinning; microstructure evolution; mechanical property; annealing  ... the variation of mechanical property of spun workpiece during tube spinning and annealing. Fig.9 shows the variation of circumferential tensile strength σb and elongation δ of spun workpiece as the spinning......
welding process. Key words: 2024/7075 aluminum alloy; friction stir welding; lap joint; defect; tensile property 2×××和7×××系列铝合金具有很高的强度,被广泛用于制造航空航天结构件.例如飞机的机身是由7×××铝合金纵梁铆接在2×××铝合金蒙皮上[1].但铆接接头会增加结构质量,不利于飞机结...强度较高;在高焊速下,2024铝合金为上板的接头强度较高;钩状缺陷严重减小接头的有效板厚和有效搭接宽度,是接头强度降低的主要因素,优化搅拌摩擦焊搭接工艺必须同时增大有效板厚和有效搭接宽度. 关键词:2024/7075铝合金;搅拌摩擦焊;搭接接头;缺陷;拉伸性能 中图分类号:TG453 文献标志码:A Defects and tensile......
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and multiple aging treatments. Additional aging treatments results in slightly decrease of tensile strength. Key words: Ti3Al-based alloys; sheet; tensile property; microstructure 中等Nb含量的Ti3Al基合金及高...显;增加时效次数,拉伸强度略微降低. 关键词:Ti3Al基合金;板材;拉伸性能;微观组织 中图分类号:TG113.1; TG113.25; TG146.2+3 文献标志码:A Effect of heat treatment on tensile properties and microstructures of Ti3Al......
mechanisms of different regions in the castings were analyzed and discussed. Through mathematical regression analysis, it is indicated that the impact property depends on both the aspect ratio and secondary dendrite arm spacing of the Si particles. Key words: A356 casting; slow injection die casting; microstructure; impact property  ......
tightness and grain strengthening. Key words: particle reinforced aluminum matrix composites; squeeze casting; microstructure; tensile strength; dry sliding property 铝基复合材料因其独特的优越性能备受材料研究者的关注... of bubbles and shrinkage holes decreases largely in composites cast by squeeze casting . The tightness of microstructures increases. Meanwhile, the grain size of matrix is decreased by 2-3 times. The tensile......
Elastic Sag Property of Low Carbon Martensite Spring Steel DUO Tie-yun1,Zhu Yin-lu2,Wu Zi-ping2,LI Ye-sheng2,CHEN Mi-song2 (1.Institute of Metal Research, Chinese Academy of Science, Shenyang... and points out that the cause of elastic sag is attributed to cyclic softening of spring steel engendered during its serving,also considers that elastic sag property should be evaluated by dynamic......
, the addition of B reduces the room-temperature strength and elongation of Ti3Al alloy. Key words: cast Ti3Al alloy; element B; grain refining; microstructure; room-temperature tensile property Ti3Al基合金是具... Research, Chinese Academy of Sciences, Shenyang 110016, China) Abstract: The influences of B content on the microstructure and tensile properties of cast Ti3Al alloy at room temperature were investigated......
increases monotonously. The tensile strength of Cu-Te alloy is higher than that of pure copper. Key words: Cu-Te alloys; Cu2Te; electrical conductivity; mechanical property; annealing... Effects of annealing process on electrical conductivity and mechanical property of Cu-Te alloys ZHU Da-chuan(朱达川)1, TANG Ke(唐 科)2, SONG Ming-zhao(宋明昭)1, TU Ming-jing(涂铭旌)1 1. College......