Journal
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS
Volume 25, Issue 5, Pages 547-553Publisher
SPRINGER
DOI: 10.1007/s12613-018-1601-z
Keywords
CrMnN steel; quenching and partitioning process; retained austenite; mechanical property; cavitation erosion
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Funding
- National Natural Science Foundation of China [51505416]
- Natural Science Foundation-Steel and Iron Foundation of Hebei Province, China [E2017203041]
- Natural Science Foundation of Hebei Province, China [E2016203436]
- Post-Doctoral Research Project of Hebei Province, China [B2016003029]
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The retained austenite content (RAC), the mechanical properties, and the resistance to cavitation erosion (CE) of the 00Cr13Mn8MoN steel after quenching and partitioning (Q&P) processing were investigated. The results show that the Q&P process affected the RAC, which reached the maximum value after partitioning at 400 degrees C for 10 min. The tensile strength of the steel slightly decreased with increasing partitioning temperature and time. However, the elongation and product of strength and elongation first increased and then decreased. The sample partitioned at 400 degrees C for 10 min exhibited the optimal property: a strength-ductility of 23.8 GPa.%. The resistance to CE for the 00Cr13Mn8MoN steel treated by the Q&P process was improved due to work hardening, spalling, and cavitation-induced martensitic transformation of the retained austenite.
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