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- Title
Effect of Ultrasonic Rolling Surface Technique on the Surface Microstructure and Properties of CuTi Alloys.
- Authors
Wang, Xiang; Jiang, Chang; Liu, Tao; Qin, Dan; Zhang, Xuehui
- Abstract
Using the ultrasonic surface rolling technique (USRT), a surface nanocrystalline layer was prepared on the CuTi alloy by adjusting the rolling depth. The phase composition, surface hardness, wear resistance, and corrosion resistance of the generated nanocrystalline layer were systematically characterized by using X-ray diffraction, scanning electron microscopy, and other testing methods. The results showed that the USRT did not change the surface phase of the CuTi alloy but refined the surface grains into nanocrystals. The rolling depth had a significant influence on the surface properties of the CuTi alloy. When the rolling depth was 0.15 mm, the overall performance of the sample's surface was the best. The average grain size of the nanocrystalline layer was approximately 16.1 nm, and the surface hardness was increased from 257.68 HV0.1 to 322.7 HV0.1. The wear resistance and corrosion resistance of the alloy were significantly enhanced. The USRT provides a new method for preparing CuTi alloys with excellent surface properties.
- Subjects
ULTRASONIC effects; SURFACE properties; CORROSION in alloys; WEAR resistance; CORROSION resistance
- Publication
JOM: The Journal of The Minerals, Metals & Materials Society (TMS), 2024, Vol 76, Issue 6, p2807
- ISSN
1047-4838
- Publication type
Article
- DOI
10.1007/s11837-024-06436-2