Acta Metallurgica Sinica (English Letters) ›› 1991, Vol. 4 ›› Issue (1): 21-24.

• Research paper • Previous Articles     Next Articles

INFLUENCE OF GRAIN SIZE ON STRENGTH AND HYDROGEN INDUCED CRACKING OF DUPLEX STAINLESS STEELS

HE Jianhong Huazhong University of Science and Technology,Wuhan,ChinaTANG Xiangyun CHEN Nanping Tsinghua University,Beijing,China Dept.of Materials Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,China   

  • Received:1991-02-25 Revised:1991-02-25 Online:1991-02-25 Published:2009-10-10

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Abstract: The relation between grain size and strength of the duplex stainless steels and influence of grain size on properties of hydrogen induced cracking in these steels have been investigated. The Hall-Petch relation between grain size and strength of the steels is also followed.The susceptibility to hydrogen induced cracking of the steels increases with increasing grain size.

Key words: duplex stainless steel, hydrogen induced cracking, grain size

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