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- Title
Metallurgical Analysis of Lower Mechanical Property in 17-4PH Steel: A Comprehensive Study.
- Authors
Nayan, Niraj; Karthikeyan, M. K.; Bhatia, Balvinder Singh; Yerrinaidu, Lagudu; Jalaja, K.; Gupta, Rohit Kumar; Shivaram, B. R. N. V.; Singh, Satish Kumar; Bajargan, Govind
- Abstract
This paper presents a comprehensive metallurgical analysis conducted on representative samples obtained from two batches of 17-4PH steel rods in order to investigate the underlying factors contributing to the observed differences in their mechanical properties. The samples underwent a solution annealing process followed by an aging treatment to achieve H1025 temper condition. Surprisingly, the mechanical properties of one batch namely 91/5 were found to be inferior compared to the other batch 91/7, with only the latter meeting the specified requirements. To gain a deeper understanding of these differences, a range of analytical techniques were employed. Local variation in austenite stabilizers and its corresponding effect on microstructure of batch 91/5 was found to be the root cause of lower mechanical property.
- Subjects
STEEL; METALLURGICAL analysis; PRECIPITATION hardening; AUSTENITE; MICROSTRUCTURE
- Publication
Journal of Failure Analysis & Prevention, 2024, Vol 24, Issue 3, p1221
- ISSN
1547-7029
- Publication type
Article
- DOI
10.1007/s11668-024-01910-0