Effect of Mo substitution by W on impact property of heat affected zone in duplex stainless steels

An investigation is conducted of the effect of the substitution of Mo by W on the impact behavior of simulated heat-affected zones (HAZs) in 22-Cr duplex stainless steels; also studied are the structural transformations associated with such compositional substitution in the HAZs in W-containing allo...

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Bibliographic Details
Published in:Scripta materialia 1997-04, Vol.36 (7), p.775-781
Main Authors: Huh, Mann Joo, Kim, Sang Beom, Paik, Kyung Wook, Kim, Young Gil
Format: Article
Language:English
Subjects:
Applied sciences
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fatigue, corrosion fatigue, embrittlement, cracking, fracture and failure
Fatigue, embrittlement, and fracture
Materials science
Metals. Metallurgy
Physics
Treatment of materials and its effects on microstructure and properties
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Summary:An investigation is conducted of the effect of the substitution of Mo by W on the impact behavior of simulated heat-affected zones (HAZs) in 22-Cr duplex stainless steels; also studied are the structural transformations associated with such compositional substitution in the HAZs in W-containing alloys and in conventional 3-percent Mo duplex stainless steel. It is found that the HAZ impact toughness remains nearly constant despite cooling rate variations associated with Mo substitution by W. (AIAA)
ISSN:1359-6462
1872-8456
DOI:10.1016/S1359-6462(96)00377-6