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QI Yanchang, ZHANG Xiaomu, PENG Yun, TIAN Zhiling. Effect of aging temperature on microstructure and properties of deposited metal for type 15-5PH precipitation hardened stainless steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (10): 105-108.
Citation: QI Yanchang, ZHANG Xiaomu, PENG Yun, TIAN Zhiling. Effect of aging temperature on microstructure and properties of deposited metal for type 15-5PH precipitation hardened stainless steel[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2012, (10): 105-108.

Effect of aging temperature on microstructure and properties of deposited metal for type 15-5PH precipitation hardened stainless steel

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  • Received Date: August 29, 2011
  • Aging temperature is an important aging treatment parameter of deposited metal for type 15-5PH precipitation hardened stainless steel.The welding deposited metal was conducted by gas tungsten arc welding and aging treatment was carry out at different temperature after solution treatment.After aging treatment the microstructure and properties of deposited metal were investigated.The results indicate that microstructure of deposited metal by aging treatment consists predominately of martensite, residual austenite and ε-Cu.The increasing of aging temperature results in the increasing of amount of austenite and the size of ε-Cu, the variation of ε-Cu from increasing to decreasing.The strength of deposited metal drops and toughness improves with the increasing of aging temperature due to the increasing of amount of austenite.
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