In this technical brief, a Cr3Si nanocrystalline film was deposited on 304 stainless steel (SS) substrate using a double glow discharge plasma technique. The film was characterized by X-ray diffraction, scanning electron microscopy (SEM), transmission electron microscopy, nanohardness tester, and scratch tester. The as-deposited film with a thickness of 5 μm consisted of A15 structured Cr3Si phase with an average grain size of 8 nm. The hardness values of the film were determined to be 26 GPa, which was ten times greater than 304 SS. A self-designed ultrasonic vibration cavitation erosion apparatus was employed to evaluate the cavitation erosion resistance of the Cr3Si film. The results showed that after cavitation tests of 30 hrs, the erosion mass loss of the film was only 60% of that for 304 SS substrate. SEM observation of the erosion surfaces indicated that the surface damage degree of the Cr3Si film is significantly less than that of 304 SS.
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January 2017
Technical Briefs
Cavitation Erosion Resistance of Sputter-Deposited Cr3Si Film on Stainless Steel
Shuyun Jiang,
Shuyun Jiang
School of Mechanical Engineering,
Southeast University,
Nanjing 211189, China
e-mail: jiangshy@seu.edu.cn
Southeast University,
Nanjing 211189, China
e-mail: jiangshy@seu.edu.cn
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Hongqin Ding,
Hongqin Ding
School of Mechanical Engineering,
Southeast University,
Nanjing 211189, China
Southeast University,
Nanjing 211189, China
Search for other works by this author on:
Jiang Xu
Jiang Xu
Department of Material Science and Engineering,
Nanjing University of Aeronautics and Astronautics,
Nanjing 210016, China;
Nanjing University of Aeronautics and Astronautics,
Nanjing 210016, China;
School of Mechanical and Electrical Engineering,
Wuhan Institute of Technology,
693 Xiongchu Avenue,
Wuhan 430073, China
Wuhan Institute of Technology,
693 Xiongchu Avenue,
Wuhan 430073, China
Search for other works by this author on:
Shuyun Jiang
School of Mechanical Engineering,
Southeast University,
Nanjing 211189, China
e-mail: jiangshy@seu.edu.cn
Southeast University,
Nanjing 211189, China
e-mail: jiangshy@seu.edu.cn
Hongqin Ding
School of Mechanical Engineering,
Southeast University,
Nanjing 211189, China
Southeast University,
Nanjing 211189, China
Jiang Xu
Department of Material Science and Engineering,
Nanjing University of Aeronautics and Astronautics,
Nanjing 210016, China;
Nanjing University of Aeronautics and Astronautics,
Nanjing 210016, China;
School of Mechanical and Electrical Engineering,
Wuhan Institute of Technology,
693 Xiongchu Avenue,
Wuhan 430073, China
Wuhan Institute of Technology,
693 Xiongchu Avenue,
Wuhan 430073, China
1Corresponding author.
Contributed by the Tribology Division of ASME for publication in the JOURNAL OF TRIBOLOGY. Manuscript received August 24, 2015; final manuscript received January 20, 2016; published online June 23, 2016. Assoc. Editor: Satish V. Kailas.
J. Tribol. Jan 2017, 139(1): 014501 (5 pages)
Published Online: June 23, 2016
Article history
Received:
August 24, 2015
Revised:
January 20, 2016
Citation
Jiang, S., Ding, H., and Xu, J. (June 23, 2016). "Cavitation Erosion Resistance of Sputter-Deposited Cr3Si Film on Stainless Steel." ASME. J. Tribol. January 2017; 139(1): 014501. https://doi.org/10.1115/1.4033049
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