Journal
JOM
Volume 74, Issue 10, Pages 3855-3868Publisher
SPRINGER
DOI: 10.1007/s11837-022-05382-1
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Funding
- National Natural Science Foundation of China [51205359]
- State Key Laboratory of Tribology, Tsinghua University, Beijing, P.R. China [SKLTKF13A06]
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It was found that the 316L stainless steel processed by a combination of heat treatment and cryogenic treatment exhibited better mechanical properties and wear resistance.
The effects of different heat and cryogenic treatments on the mechanical and tribological properties of 316L stainless steel formed by selective laser melting were investigated. The mechanical properties of samples processed by heat treatment, cryogenic treatment, and a combination of heat and cryogenic treatment were compared. It was found that the samples treated by (600 degrees C x 3 h) + (-196 degrees C x 24 h) exhibited better mechanical properties and the best strength and plasticity, with a tensile strength of 585 MPa and elongation of 68.5%. The experimental results of friction and wear showed that the sample treated by (600 degrees C x 3 h) + (-196 degrees C x 24 h) exhibited a low friction coefficient of about 0.7 and a wear amount of 2.8 x 10(-3) mm(3), indicating that the material has strong wear resistance.
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