The chemical composition of 21 alloy was modified by doubling the molybdenum (Mo) content for enhanced corrosion and wear resistance. The specimens were fabricated using a casting technique. Half of the specimens experienced a heat treatment at for an hour. The microstructure and phase analyses of the specimens were conducted using electron scanning microscopy and X-ray diffraction. The mechanical properties of the specimens were determined in terms of the ASTM Standard Test Method for Tension Testing of Metallic Materials (E8-96). The mechanical behaviors of individual phases in the specimen materials were investigated using a nano-indentation technique. The wear resistance of the specimens was evaluated on a ball-on-disk tribometer. The experimental results revealed that the increased Mo content had significant effects on the mechanical and tribological properties of the low-carbon alloy and the heat treatment also influenced these properties.
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e-mail: rliu@mae.carleton.ca
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October 2007
Technical Papers
Effects of Molybdenum Content and Heat Treatment on Mechanical and Tribological Properties of a Low-Carbon Alloy
Ping Huang,
Ping Huang
Department of Mechanical and Aerospace Engineering,
Carleton University
, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada
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Rong Liu,
Rong Liu
Department of Mechanical and Aerospace Engineering,
e-mail: rliu@mae.carleton.ca
Carleton University
, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada
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Xijia Wu,
Xijia Wu
Institute for Aerospace Research
, National Research Council Canada, Ottawa, ON, K1A 0R6, Canada
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Matthew X. Yao
Matthew X. Yao
Deloro Stellite Inc.
, Belleville, ON, K8N 5C4, Canada
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Ping Huang
Department of Mechanical and Aerospace Engineering,
Carleton University
, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canada
Rong Liu
Department of Mechanical and Aerospace Engineering,
Carleton University
, 1125 Colonel By Drive, Ottawa, ON, K1S 5B6, Canadae-mail: rliu@mae.carleton.ca
Xijia Wu
Institute for Aerospace Research
, National Research Council Canada, Ottawa, ON, K1A 0R6, Canada
Matthew X. Yao
Deloro Stellite Inc.
, Belleville, ON, K8N 5C4, CanadaJ. Eng. Mater. Technol. Oct 2007, 129(4): 523-529 (7 pages)
Published Online: December 13, 2006
Article history
Received:
August 22, 2006
Revised:
December 13, 2006
Citation
Huang, P., Liu, R., Wu, X., and Yao, M. X. (December 13, 2006). "Effects of Molybdenum Content and Heat Treatment on Mechanical and Tribological Properties of a Low-Carbon Alloy." ASME. J. Eng. Mater. Technol. October 2007; 129(4): 523–529. https://doi.org/10.1115/1.2744429
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