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- Title
Development of a Ni–Cr–Mo–V Alloyed Ductile Iron with High Hardness.
- Authors
Yang, Chao; Gao, Zhijie; Du, Yuzhou; Wang, Ke; Jiang, Bailing
- Abstract
In the present study, a Ni–Cr–Mo–V alloyed ductile iron with high hardness was developed. The Ni–Cr–Mo–V alloyed ductile iron fabricated by horizontal continuous casting was composed of dendritic austenite, martensite, carbides and graphite nodules and exhibited a hardness as high as 58.3 HRC. The microstructure was transformed into austenite and graphite nodules through austenitization at 1050 °C for 6 h and water quenching with a hardness of 23.0 HRC. Tempering treatment effectively increased the hardness to 56.6 HRC due to the precipitation of carbides and phase transformation from austenite to martensite.
- Subjects
HARDNESS; CONTINUOUS casting; WATER hardness; IRON alloys; IRON; MARTENSITE; NODULAR iron; GRAPHITE
- Publication
International Journal of Metalcasting, 2024, Vol 18, Issue 2, p1677
- ISSN
1939-5981
- Publication type
Article
- DOI
10.1007/s40962-023-01133-3