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Effect of Homogenization Annealing on Wear Properties of Thixo-Extrued Copper Alloy

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Abstract:

The semi-solid extruded CuSn10P1 alloy bushings were homogenization annealed. The effects of annealing process on the hardness and wear properties of bushings were researched. The results show the Brinell hardness increases firstly and then decreases with the increase of annealing temperature and annealing time. With the annealing temperature increasing, the grinding loss rate and friction factor decrease firstly and then increase. At the annealing time of 120 min, the grinding loss rate decreases from 7% at the annealing temperature of 450 °C to 6% at 500 °C, and then increases from 6% at 500 °C to 12% at 600 °C. The friction factor decreases from 0.54 to 0.48 and then increases to 0.83. At the annealing temperature of 500 °C, the grinding loss rate decreases from 11% at the annealing time of 60 min to 6% at 120 min, and then increases to 15% at 150 min. The friction factor decreases from 0.67 to 0.48 and then increases to 0.72. The best wear performance and Brinell hardness can be obtained at annealing temperature of 500 °C for 120 min.

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Periodical:

Solid State Phenomena (Volume 327)

Pages:

71-81

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.327.71

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Online since:

January 2022

Authors:

Yun Xin Cui, Han Xiao*, Chi Xiong, Rong Feng Zhou, Zu Lai Li, Yong Kun Li

Keywords:

Brinell Hardness, CuSn10P1 Copper Alloy, Homogenization Annealing, Semi-Solid, Wear Properties

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