Effect of post-weld heat treatment and electrolytic plasma processing on tungsten inert gas welded AISI 4140 alloy steel
Materials & Design (1980-2015)(2014)
摘要
•The effects of PWHT and EPP were explored on TIG welded AISI4140 alloy steel.•All welded samples were checked with PAUT and ensured defect-free before testing.•Residual stresses, hardness, and tensile properties were measured experimentally.•PWHT resulted higher ductility but lower tensile strength for grain refinement.•EPP-treated samples showed higher tensile strength but lower ductility.
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关键词
Tungsten inert gas welding,Post weld heat treatment,Electrolytic plasma process,Residual stress,Tensile properties
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