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the foams, two different metals and one kind of powder were employed: 99.9% high purity binary eutectic Al-Si alloy (Al-12.6Si from Fushun aluminum manufacture, China), high purity metal Ca (from Sichuan... closed-cell aluminum foam was studied and the influence of relative densities on the tensile strength and elastic modulus was also researched. The results show that the fracture surfaces of Al-Si......
Thermomechanical treatment of super high strength Cu-8.0Ni-1.8Si alloy PAN Zhi-yong(潘志勇)1, 2, WANG Ming-pu(汪明朴)1, LI Zhou(李 周)1, XIAO Zhu(肖 柱)1, CHEN Chang(陈 畅)1 1. School of Materials Science... high strength and electrical conductivity [1-2]; these properties are attributed to the precipitation of δ-Ni2Si phase from the supersaturated solid solution of the alloy during aging[3-4]. The CuNiSi......
High Carbon Alloy Steels with Multiple Types of Ultra-fine Carbides and Their Characteristics QI Yu-hong1,DAI Yu-mei1,LIU Yan-xia1,ZHANG Zhan-ping1,GAO Hong-tao1,MA Yong-qing1 (1.Dalian Maritime University, Dalian, China) 摘要:Under normal forging and annealing conditions, there are different ultra fine carbides (M3C, M23C6, M7C3, M6C and MC) in high carbon alloy steels when alloy composition......
and Technology, Guilin 541004, China)Abstract:The influence of exfoliation corrosion on the tensile properties of a high strength Al-Zn-Mg-Cu alloy was investigated by ambient temperature tensile testing...Influence of exfoliation corrosion on tensile properties of a high strength Al-Zn-Mg-Cu alloyLIU Sheng-dan(刘胜胆)1, LIAO Wen-bo(廖文博)1,2, TANG Jian-guo(唐建国)1, ZHANG Xin-ming(张新明)1, LIU Xin-yu(刘心宇)1,2......
aluminium alloy, which can be formed by extrusion easily and has the advantage of being light weight under the condition of meeting the required strength and hardness. Figure 1 4-lobe aluminum alloy... of 4-lobe aluminum alloy helical surface rotor. Especially, the friction coefficient is set to be fixed, considering that there is no lubrication or surface coating for the die. In order to get a high......
of small density, high specific strength and strong corrosion resistance. 6xxx aluminum alloy including AA6016 as a kind of lightweight material and heat treatable alloy is widely used... at the same time. Finally, artificial aging treatment will be conducted to improve the strength of the material [17]. This process can effectively improve the stamping formability of aluminum alloy, while......
Tensile Properties and Deformation Behaviors of a New Aluminum Alloy for High Pressure Die CastingPeng Zhang1,Zhenming Li1,Baoliang Liu2,Wenjiang Ding11. National Engineering Research Center of Light...="ChDivSummary">Effects of natural aging and test temperature on the tensile behaviors have been studied for a highperformance cast aluminum alloy Al–10Si–1.2Cu–0.7Mn. Based on self-strengthening......
demand a superior combination of high strength, fracture toughness and stress corrosion cracking resistance, have led to the development of 7055 aluminum alloy. 7055-T77 alloys provide higher strength... in a high-purity 7055 aluminum alloy[J]. Trans Mater Heat Treat, 2006, 27(3): 54-59. (in Chinese) [7] CHEN K H, LIU H W, ZHANG Z, LI S, TOOD R I. The improvement of constituent dissolution and mechanical......
solidification; high strength aluminum alloy; morphology; microstructure; mechanical properies; [全文内容正在添加中] ......
and distribution of primary phase and precipitate phase. Key words: high strength aluminum alloy; ageing; thermomechanical treatment; stress corrosion 航空航天高技术的发展对铝合金的综合性能提出了越来越高的要求[1-3].作为航空航天重要支撑的Al... of overaged 7050 aluminum alloy[J]. Journal of Alloys and Compounds, 2009, 469(1/2): 445-450. [13] HAN N M, ZHANG X M, LIU S D, KE B. Effects of prestretching and ageing on the strength and fracture......