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TheStudyoftheRelationof316LStainlessSteelDiffusion.pdf

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TheStudyoftheRelationof316LStainlessSteelDiffusion

Mechanical Engineering and Technology 机械工程与技术, 2016, 5(4), 315-321 Published Online December 2016 in Hans. /journal/met /10.12677/met.2016.54038 The Study of the Relation of 316L Stainless Steel Diffusion Welding Process Parameters Based on the Weibull Distribution and the Reliability 1 2 2 1 Ziliang An , Li Zhang , Yinjun Li , Meifang Hou 1 School of Railway Transportation, Shanghai Institute of Technology, Shanghai 2 Shanghai No. 3 Metro Operation Cooperation, Shanghai th th th Received: Nov. 12 , 2016; accepted: Dec. 9 , 2016; published: Dec. 12 , 2016 Copyright ? 2016 by authors and Hans Publishers Inc. This work is licensed under the Creative Commons Attribution International License (CC BY). /licenses/by/4.0/ Open Access Abstract Based on an orthogonal experimental design method, optimal welding process parameters are studied on 316L stainless steel diffusion welding joint. Three factors, i.e. welding temperature, pressure and holding time, are distinguished. The optimal parameter set is obtained to have welding temperature of 1100?C, welding pressure of 10 MPa and holding time of 3 hrs. At the same time, a statistical estimation is performed for the tensile strength data of the welding joint round bar samples following three-parameter Weibul distribution. Estimated statistical parameters of the distribution are with a position parameter of 147.42, scale parameter of 148.9139 and shape parameter of 1.6336, respectively. Average value of the strength data is 281 MPa. Keywords Diffusion Bonding, 316L Stainless Steel, Orthogonal Expe