Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 380, Issue 1-2, Pages 259-271Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2004.03.074
Keywords
ductility dip cracking; filler metal 52; filler metal 82; Ni-base alloy; strain-to-fracture test; nitrides; carbides
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The ductility dip cracking resistance of two Ni-base Filler metals, Filler Metal 52 (FM-52) (59%Ni-29%Cr-9%Fe-1%Mn-1%Al) and Filler Metal 82 (FM-82) (72%Ni-20%Cr-1%Fe-3%Mn-3%Nb) was evaluated using the strain-to-fracture (STF) test. The reinterpretation of previously reported STF test results for these filler metals, is discussed, based on detailed microstructural characterization performed using electron microscopy. In Part II of this paper, new insight into the creep-like, grain boundary (GB) sliding mechanism responsible for intergranular cracking in these filler metals is presented. (C) 2004 Elsevier B.V. All rights reserved.
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