Journal
JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY
Volume 57, Issue 2, Pages 285-293Publisher
TECHNICAL FACULTY, BOR-SERBIA
DOI: 10.2298/JMMB201026025Q
Keywords
High nitrogen austenite stainless steel; Wear; Work hardening; Friction coefficient
Categories
Funding
- National Natural Science Foundation of China [51905110, 51401092]
- Science and Technology Planning Project of Guangzhou [201906040007]
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The study showed that with increasing applied loads, the friction coefficient decreased and the wear resistance of Fe-19Cr-15Mn-0.66N high nitrogen austenitic stainless steel improved. Friction under high loads can enhance work hardening ability, improve surface hardness, and thus increase the overall wear resistance.
The friction and wear behaviors of a Fe-19Cr-15Mn-0.66N high nitrogen austenitic stainless steel (HNSS) were investigated. Tribological investigations were carried out under different applied loads of 5 N, 10 N, 15 N, and 20 N. Scanning electron microscope (SEM) and laser scanning confocal microscope (LSCM) were used to understand the wear mechanisms under different loads and the reasons for the improved wear resistance. The lower friction coefficient and improved wear resistance were observed with the increase in applied loads. Under a higher load, the friction enhanced the work hardening ability of HNSS, which in turn improved its surface hardness and thus the increased wear resistance of HNSS.
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