In this paper, mechanical and tribological properties of a Ti-50.3 at % Ni alloy were investigated. The transformation temperatures of the alloy were determined using differential scanning calorimetry. Three-point bending tests were performed to characterize the pseudoelasticity and shape memory effects. Uni-axial compression tests were also performed at different testing temperatures. The wear tests were conducted using a pin-on-disk tribometer at testing temperatures ranging from to . The wear results showed that with increasing the testing temperature from to , the wear of the alloy was decreased, which could be attributed to the higher pseudoelasticity of the alloy at a testing temperature of . The pseudoelasticity of the alloy decreased at a higher testing temperature of ; however, its wear resistance increased considerably due to higher ultimate strength and work hardening.
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July 2010
Research Papers
Effect of Phase Transformation on the Wear Behavior of NiTi Alloy
M. Abedini,
M. Abedini
School of Metallurgy and Materials Engineering,
University of Tehran
, P. O. Box 11155-4563, Tehran, Iran
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H. M. Ghasemi,
H. M. Ghasemi
School of Metallurgy and Materials Engineering,
e-mail: hghasemi@ut.ac.ir
University of Tehran
, P. O. Box 11155-4563, Tehran, Iran
Search for other works by this author on:
M. Nili Ahmadabadi,
M. Nili Ahmadabadi
School of Metallurgy and Materials Engineering,
University of Tehran
, P. O. Box 11155-4563, Tehran, Iran
Search for other works by this author on:
R. Mahmudi
R. Mahmudi
School of Metallurgy and Materials Engineering,
University of Tehran
, P. O. Box 11155-4563, Tehran, Iran
Search for other works by this author on:
M. Abedini
School of Metallurgy and Materials Engineering,
University of Tehran
, P. O. Box 11155-4563, Tehran, Iran
H. M. Ghasemi
School of Metallurgy and Materials Engineering,
University of Tehran
, P. O. Box 11155-4563, Tehran, Irane-mail: hghasemi@ut.ac.ir
M. Nili Ahmadabadi
School of Metallurgy and Materials Engineering,
University of Tehran
, P. O. Box 11155-4563, Tehran, Iran
R. Mahmudi
School of Metallurgy and Materials Engineering,
University of Tehran
, P. O. Box 11155-4563, Tehran, IranJ. Eng. Mater. Technol. Jul 2010, 132(3): 031010 (5 pages)
Published Online: June 17, 2010
Article history
Received:
November 2, 2009
Revised:
April 7, 2010
Online:
June 17, 2010
Published:
June 17, 2010
Citation
Abedini, M., Ghasemi, H. M., Nili Ahmadabadi, M., and Mahmudi, R. (June 17, 2010). "Effect of Phase Transformation on the Wear Behavior of NiTi Alloy." ASME. J. Eng. Mater. Technol. July 2010; 132(3): 031010. https://doi.org/10.1115/1.4001593
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