High temperature behavior of Ni-base weld metal - Part I. Ductility and microstructural characterization

被引：120
作者：
Ramirez, AJ
Lippold, JC
机构：
[1] Brazilian Synchrotron Light Lab, BR-13084971 Campinas, SP, Brazil
[2] Ohio State Univ, Columbus, OH 43221 USA
来源：
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2004年 / 380卷 / 1-2期
关键词：
ductility dip cracking; filler metal 52; filler metal 82; Ni-base alloy; strain-to-fracture test; nitrides; carbides;
D O I：
10.1016/j.msea.2004.03.074
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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.
引用
收藏
页码：259 / 271
页数：13
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