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- Title
Microstructure and mechanical properties of stainless steel under Nd:YAG pulsed laser irradiation.
- Authors
Cui, C. Y.; Hu, J. D.; Liu, Y. H.; Guo, Z. X.
- Abstract
Microstructure and mechanical properties of stainless steel under the Nd:YAG pulsed laser irradiation were investigated. X-ray diffraction was used to identify the phases in the laser treated layer, and the growth morphology was observed by field emission scanning electron microscope. The results showed that a homogeneous microstructure with fine grains (60–300 nm) can be attained under the applied laser energy densities (2175×103 to 3585×103 J cm–2) and after that, it was difficult to get further refinement. Mechanical properties including microhardness and sliding wear were evaluated. The results indicated that the laser surface treatment was beneficial to increase the microhardness and to decrease the sliding wear rate.
- Subjects
STAINLESS steel; MICROSTRUCTURE; MECHANICAL properties of metals; IRRADIATION; X-ray diffraction; SCANNING electron microscopy
- Publication
Materials Science & Technology, 2008, Vol 24, Issue 8, p964
- ISSN
0267-0836
- Publication type
Article
- DOI
10.1179/174328408X322088