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On the stress corrosion crack growth rates of AISI 4340 steel near its lower temper martensite embrittlement range in 0.5 N NaCl solution
Author(s) -
Tewari Vinay Kumar,
Winand René,
Charlier Jacques,
Elinck JeanPierre,
Muylder Jean
Publication year - 1982
Publication title -
archiv für das eisenhüttenwesen
Language(s) - English
Resource type - Journals
eISSN - 1869-344X
pISSN - 0003-8962
DOI - 10.1002/srin.198205178
Subject(s) - tempering , metallurgy , martensite , materials science , embrittlement , stress corrosion cracking , corrosion , microstructure
Based on the data of the literature for intercrystalline stress corrosion cracking (SCC) and hydrogen embrittlement of the High Strength AISI 4340 steel, determination of the so far unknown effects of tempering treatment around the low temper martensite embrittlement range (between 175 and 285°C) on the crack growth rates in 0.5 N NaCl solution. Effect of variation of stress intensity and applied potentials on crack growth rates. Effect of initial applied stress intensity and crack tip sharpness on crack growth characteristics. Discussion on crack growth rates for a better understanding of the SCC mechanism.