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Formulation of grain growth diagram in simulated weld HAZ of Ti-microalloyed steel Kun CUI1,Qi CHEN1,Chibin GUI1 (1.Department of Naval Architecture and Ocean Engineering, School of Naval Architecture and Power Engineering, Navy University of Engineering, Wuhan 430033, China) Abstract:s agreed well with the value of the diagram predicted. Key words:Ti-microaUoyed steel; Grain growth in weld......
Residual stress relaxation in typical weld joints and its effect on fatigue and crack growth Chunyan JI1,Zhengquan WAN2,Liangbi LI1,Zili WANG1 (1.School of Naval Architecture and Ocean Engineering... for predicting the residual stress at hot spot quantitatively is proposed. Based on the formula, an improved fatigue procedure is introduced. Moreover, crack growth of typical weld joints considering......
Mechanism of effect of rare earth oxides on high temperature corrosion resistance of weld metal LI Zhi-yong(李志勇)1, WANG Bao(王 宝)1 , ZHANG Han-qian(张汉谦)2 1. College of Materials Science... Abstract: Through the addition of rare earth oxides into the coating of electrodes, the high temperature oxidation and sulphidation resistance of weld metal were studied. The transfer mechanism......
Fast Welding of Chromium Carbide and Nickel Alloy by Spark Plasma Sintering刘国玺1,2,LI Kezhi1,LENG Xiaoxuan3,张金咏3,ZHANG Fan31. School of Materials Science,Northwestern Polytechinical University2...="ChDivSummary">Spark plasma sintering(SPS) was used to weld the ceramics,eg,Cr3C2 and metal,Ni in this paper.It is found that the SPS can weld the Cr3C2 and Ni plates at lower temperatures and shorter......
MODELING OF AUSTENITE GRAIN SIZE IN LOW-ALLOY STEEL WELD METAL Y.S.Wang1,A.G.Huang1,Z.Y.LI1,Q.Hu1,J.G.Xiong1 (1.School of Materials Science & Engineering,Huazhong University of Science and Technology,Wuhan 430074,China) Abstract:The size of austenite grain hassignificant effects on components and proportions of various ferrites in low-alloy steel weld metal.Therefore,it is important......
Trans. Nonferrous Met. Soc. China 30(2020) 812-822 Efficient enrichment of nickel and iron in laterite nickel ore by deep reduction and magnetic separation Shuai YUAN, Wen-tao ZHOU, Yan-jun LI, Yue... separation was proposed to enrich nickel and iron from laterite nickel ores. Results show that nickel–iron concentrates with nickel grade of 6.96%, nickel recovery of 94.06%, iron grade of 34.74......
conditions, the resultant particles is pure crystalline nickel with an face centered cubic (fcc) structure and mean diameter of about 25 nm. According to the experiment phenomena in the process...; 文献标识码:A 文章编号:1672-7207(2007)06-1063-04 Synthesis and formation mechanism of nickel nanoparticles by hydrazine reduction HU Ai-ping, TANG......
Corrosion behavior of extrusion-drawn pure Mg wire immersed in simulated body fluidSUN Hong-fei, LI Cheng-jie, FANG Wen-bin(School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)Abstract:The corrosion behaviors of extrusion-drawn pure magnesium wire soaked in simulated body fluid (SBF) and 0.9% NaCl solution were studied. The corrosion law of the pure......
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] and the leach liquor contained Fe, Al, Cr, Zn, Mn, Co and Ni. So, it is required to separate/remove other metal ions to get pure nickel solution. The separation of metal ions such as Fe, Cu, Co, Ni, Zn...Solvent extraction of zinc, manganese, cobalt and nickel from nickel laterite bacterial leach liquor using sodium salts of TOPS-99 and Cyanex 272 R. K. MISHRA1, P. C. ROUT1,2, K. SARANGI1,2, K. C......