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LU Lin, CHANG Yunlong, LI Yingmin, LU Ming, YANG Xu. Nonlinear multiple regression model of stainless steel tube magnetic control high-speed TIG welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (6): 93-96.
Citation: LU Lin, CHANG Yunlong, LI Yingmin, LU Ming, YANG Xu. Nonlinear multiple regression model of stainless steel tube magnetic control high-speed TIG welding[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (6): 93-96.
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Nonlinear multiple regression model of stainless steel tube magnetic control high-speed TIG welding

  • 1.

    Shenyang University of technology, Shenyang 110870;, State Key Laboratory of Advanced Welding Production Technology, Harbin Institute of Technology, Harbin 150001, China

  • 2.

    Shenyang University of technology, Shenyang 110870

  • 3.

    Shenyang Yanfeng Johnson Control Seating Co., Ltd, Shenyang 110180, China

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  • Received Date: April 25, 2011
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    • Abstract
  • In order to study the influence of high-speed argon tungsten-arc welding by transverse magnetic field on quality of stainless pipe welding joint,the test has been realized using multivariable nonlinear regression orthogonal combination method.The welding joint tensile strength and form factor of weld(the weld width/penetration) were considered as important assessment factors of weld quality.The magnetic field strength and argon flow were taken to be considered,and the relationship between them was then analyzed.Nine groups of testing were designed by orthogonal method,according to regression design theory,the binary quadratic nonlinear regression equation was established and the remaining standard deviation was calculated．The experimental results showed that regression models could realize the forecast of welding joint tensile strength and form factor of weld.Finally,the three-dimensional view was made and the influence of magnetic field strength changing regularity on weld quality was studied.
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