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Volume 12 Issue 4
Jul.  2021
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Sui Yongjiang, He Baoshan, Wang Xingqing, Han Yuexiang. PHASE STRUCTURE AND HIGH TOUGHNESS OF SINTERED BIPHASE STAINLESS STEEL[J]. Powder Metallurgy Technology, 1994, 12(4): 249-254.
Citation: Sui Yongjiang, He Baoshan, Wang Xingqing, Han Yuexiang. PHASE STRUCTURE AND HIGH TOUGHNESS OF SINTERED BIPHASE STAINLESS STEEL[J]. Powder Metallurgy Technology, 1994, 12(4): 249-254.
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PHASE STRUCTURE AND HIGH TOUGHNESS OF SINTERED BIPHASE STAINLESS STEEL

  • Shanghai University of Technology, 200072

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  • Received Date: November 11, 1993
  • Available Online: July 29, 2021
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  • The phase structure and high toughness of powder sintered biphase stainless steel and after its ageing have been studied. Results have shown that biphase stainless steel with 18vol% ferrite and austenite can be obtained by adding 4 wt% Si in 316L powder using powder sintering process. After ageing at 800℃, a strip-shaped phase was precipitated along the interface between austenite and ferrite of the biphase stainless steel and that made the hardness of biphase stainless steel increase and plasticity decrease.
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