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Li S.,Henan University of Science and Technology | Zhang L.,Henan University of Science and Technology | Zhang L.,Henan Key Laboratory of Non Ferrous Materials Science and Processing Technology | Xing Q.,Henan University of Science and Technology
Zhongguo Jiguang/Chinese Journal of Lasers | Year: 2013

The effect of laser shock processing (LSP) on electrochemical corrosion behavior of AZ91 magnesium alloy in NaCl solution of mass fraction of 3.5% is studied by using electrochemical technique and transmission electron microscopy. The results show that a lot of dislocations reduce in the alloy after LSP. Impedance of AZ91 magnesium alloy increases significantly and the electric current density reduces significantly after LSP. With the impact times of LSP increasing, the self-corrosion potential of AZ91 Mg alloy begin to move towards a positive direction, the corrosion current destiny declins while the corrosion resistance is improved in 3.5% NaCl solution. Source


Zhang H.,Henan University of Science and Technology | Wang W.,Henan University of Science and Technology | Wang W.,Henan Key Laboratory of Non Ferrous Materials Science and Processing Technology | Zhu Y.,Henan University of Science and Technology | And 5 more authors.
Tezhong Zhuzao Ji Youse Hejin/Special Casting and Nonferrous Alloys | Year: 2014

Ti-6Al-4V alloy was prepared by cold isostatic pressing and vacuum sintering. The microstructure of TC4 alloy at different solution and aging temperature was observed and analyzed. Effects of solid solution and aging treatment on tensile strength and elongation of TC4 alloy were investigated by tensile testing to present a optimized solid solution and aged parameters. The experimental results show that the alloy has a satisfied tensile strength and elongation with solid solution and aging at 930°C for 30 min with water quenching as well as 470°C for 4 h with water quenching. Source

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