Stress Corrosion Cracking of Novel Steel for Automotive Applications
Author(s) -
Muhammed Khalissi,
R.K. Singh Raman,
Shahin Khoddam
Publication year - 2011
Publication title -
procedia engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.32
H-Index - 74
ISSN - 1877-7058
DOI - 10.1016/j.proeng.2011.04.557
Subject(s) - twip , materials science , fractography , stress corrosion cracking , slow strain rate testing , strain rate , cracking , brittleness , metallurgy , corrosion , stress (linguistics) , manganese , composite material , ultimate tensile strength , austenite , microstructure , linguistics , philosophy
In the present study, susceptibility of a high manganese TWIP steel to stress corrosion cracking (SCC) in a 3.5% NaCl solution was investigated using slow strain rate tests (SSRT), constant load (CL) tests and fractography. Strain rates employed for SSRT were in the range of 10-06 - 10-08 s-1. The specimens tested in air revealed a ductile type of failure, whereas those tested in the corrosive solution exhibited a brittle feature that is attributed to stress corrosion cracking. SCC was observed at a relatively low strain rate of 10-07s-1
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