Stress-relief cracking susceptibility of a new ferritic steel - Part 1: Single-pass heat-affected zone simulations

被引：0

作者：

Nawrocki, J.G. ^{[1
]}

Dupont, J.N. ^{[1
]}

Robino, C.V. ^{[2
]}

Marder, A.R. ^{[1
]}

机构：

[1] Dept. of Mat. Sci. and Engineering, Lehigh University, Bethlehem, PA, United States

[2] Materials Joining Dept., Sandia National Laboratories, Albuquerque, NM, United States

来源：

Welding Journal (Miami, Fla) | 2000年 / 79卷 / 12期

关键词：

Crack initiation - Durability - Grain boundaries - Heat affected zone - Metallographic microstructure - Scanning electron microscopy - Stress analysis;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Heat affected zone (HAZ) simulation techniques were used to investigate the stress relief cracking (SRC) response of conventional steels. Postweld heat treatment (PWHT) and thermal simulations were used for the purpose. Optical and scanning electron microscopy (SEM) using thermal cycles were used to study microstructure of the coarse-grained heat-affected zone (CGHAZ).

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