The effect of heat treatment on microstructure and cryogenic fracture properties in 5Ni and 9Ni steel

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The Effect of Heat Treatment on Microstructure and Cryogenic Fracture Properties in 5Ni and 9Ni Steel J. R. STRIFE AND D. E. PASSOJA Heat treatments were utilized in 5Ni and 9Ni steel which resulted in the development of tempered microstructures which contained either no measurable retained austenite (