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δ-ferrite transformation mechanism and its effect on mechanical properties of 316H weld metalLanglang Zhao1,2,3,Shitong Wei1,Dong Wu3,Dianbao Gao4,Shanping Lu31. Key Laboratory of Nuclear Materials...="ChDivSummary">The microstructure evolution and mechanical properties of the 316 H stainless steel weld metals with different C contents were studied at the aging temperature of 550℃ for different aging......
Dendritic Boundary Corrosion of AA2198 Weld Using Fiber Laser Welding with Al–Cu Filler WireJun-Xia Lu,Ling Chang,Shi-Kai Wu,Shi-Kun YinInstitute of Laser Engineering, Beijing University of Technology摘 要:The microstructures and corrosion behaviors of AA2198–T851 alloy and weld were analyzed under corrosive conditions.Weld was formed using an innovative......
大型露天矿境界动态优化研究--以西澳Weld Range铁矿为例代碧波1,2,3,章林31. 金属矿山安全与健康国家重点实验室2. 华唯金属矿产资源高效循环利用国家工程研究中心3. 中钢集团马鞍山矿山研究院有限公司摘 要:为实现露天矿经济境界优化,研究了基于境界动态优化分析软件Whittle的露天矿境界优化方法.针对中钢澳洲中西矿业公司Weld Range铁矿,采用Surpac矿业软件建立矿山钻孔数据库,矿体模型和块段模型,根据定义的经济模型及露天境界优化参数,利用L-G图论理论方法,借助Whittle软件生成Weld Range铁矿在不同条件下,不同生产规模的最优开采境界.结果表明,Whittle软件可实现高质量批量境界的快速生成,用于矿山各种境界方案的动态经济指标计算,实现露天矿山开采境界的快速准......
Pitting and galvanic corrosion behavior of stainless steel with weld in wet-dry environment containing Cl-Cui Lin1,2), Xiaogang Li2,3), and Chaofang Dong2) 1) School of Material Science... and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China摘 要:Accelerated corrosion test of stainless steel with weld......
Microstructure and properties in dissimilar/similar weld joints between DP780 and DP980 steels processed by fiber laser weldingHongshuang Di1,Qian Sun1,Xiaonan Wang2,Jianping Li11. State Key...(strength, fatigue and formability) of dissimilar/similar weld joints between DP780 and DP980 steels were studied. The microstructure in fusion zone(FZ) was lath martensite(LM), and alloying elements......
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Trans. Nonferrous Met. Soc. China 29(2019) 1161-1168 Effects of weld penetration on tensile properties of 2219 aluminum alloy TIG-welded joints Deng-kui ZHANG1, Yue ZHAO1,2, Ming-ye DONG1, Guo-qing... Limited, Beijing 100076, China Received 15 August 2018; accepted 27 February 2019 Abstract: Numerical simulation and experimental methods were used to investigate the effects of weld penetration......
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Effects of B and Ti on the Toughness of HSLA Steel Weld Metals斯重遥,王兆清,刘鹏,虞德华,刘磊摘 要:<正> Effects of microalloying Ti and B on themicrostructures... temperaturetoughness.The addition of B in weld metals low-ered the γ→α transformation temperature whichpromoted the acicular ferrite (AF) transformation.Solid solutioned B suppressed grain boundaryferrite......
Investigation in Crack Growth of A537 Steel and Its Weld Metal in Artificial Sea Water臧启山,刘慷,柯伟,朱自勇摘 要:<正> The crack growth rates of A537 c1.1 steeland its weld metal have been investigated bothin air and in artificial sea water.The effectsof stress ratio,frequency,residual stressof welds as well as corrosion products on cor-rosion fatigue crack......