An Investigation on the Weld Solidification of Cr-Ni-Fe-Mo Alloys

Weld solidification was systematically investigated in Cr-Ni-Fe-Mo alloys. Emphasis was placed on the microsegregation of solute elements and the precipitation of intermetallic phases during solidification. Increased Ni content was found to reduce the extent of the segregation of Cr and Mo in the au...

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Published inQUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY Vol. 9; no. 1; pp. 143 - 149
Main Authors Koseki, Toshihiko, Ogawa, Tadao
Format Journal Article
LanguageEnglish
Japanese
Published JAPAN WELDING SOCIETY 1991
Subjects
Dendritic solidification
Intermetallic phase
Microsegregation
Ni based alloy
Precipitation
Solidification
Stainless steel
Thermo Calc
Weld
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Summary:Weld solidification was systematically investigated in Cr-Ni-Fe-Mo alloys. Emphasis was placed on the microsegregation of solute elements and the precipitation of intermetallic phases during solidification. Increased Ni content was found to reduce the extent of the segregation of Cr and Mo in the austenitic solidification. The precipitation of intermetallic phases was obvious at the welds with high Mo, Nb and Si content, but was suppressed by the increase of Ni content and the addition of nitrogen. The results obtained were compared with phase diagrams by Themo Calc to understand the equilibrium aspects of the solidification of these alloy welds.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0288-4771
2434-8252
DOI:10.2207/qjjws.9.143