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Hydrogen embrittlement property of a 1700-MPa-class ultrahigh-strength tempered martensitic steel
Hydrogen embrittlement property 1700-MPa-class ultrahigh-strength tempered martensitic steel
2010/10/12
The hydrogen embrittlement property of a prototype 1700-MPa-class ultrahigh-strength steel (NIMS17) containing hydrogen traps was evaluated using a slow strain rate test (SSRT) after cathodic hydrogen...
Precipitate design for creep strengthening of 9% Cr tempered martensitic steel for ultra-supercritical power plants
Ostwald ripening M23C6 carbide MX carbonitride martensite 9% Cr steel creep strength sub-boundary hardening
2010/10/13
It is crucial for the carbon concentration of 9% Cr steel to be reduced to a very low level, so as to promote the formation of MX nitrides rich in vanadium as very fine and thermally stable particles ...