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Open AccessArticle

Effects of Temperature on the Tribological Properties of NM600 under Sliding Wear

1
School of Mechanical Engineering, University of Jinan, Jinan 250022, China
2
Bisalloy Shangang (Shandong) Steel Plate Co., Ltd., Jinan 250022, China
3
Collaborative Innovation Center of Steel Technology, University of Science and Technology Beijing, Beijing 100000, China
*
Author to whom correspondence should be addressed.
Materials 2019, 12(23), 4009; https://doi.org/10.3390/ma12234009
Received: 1 November 2019 / Revised: 29 November 2019 / Accepted: 1 December 2019 / Published: 3 December 2019
An investigation on the tribological properties of GCr15 sliding against NM600 was carried out using a high-temperature friction and wear tester. As the temperature rose from room temperature to 300 °C, the average friction coefficient of NM600 increased rapidly, then decreased rapidly, and then became stable. The wear volume and specific wear rate of NM600 increased rapidly, then decreased rapidly, and then increased slowly. The wear mechanism and matrix properties of the tested steel at different temperatures are the main reasons for the above results. At 20–50 °C, the main wear mechanism was adhesive wear, fatigue wear, and abrasive wear. At 100–150 ℃, the wear mechanism was mainly adhesive wear, fatigue wear, abrasive wear, and oxidation wear. At 200–300 °C, the wear mechanism was mainly oxidation wear and abrasive wear. View Full-Text
Keywords: NM600; temperature; sliding wear; wear morphology; wear volume NM600; temperature; sliding wear; wear morphology; wear volume
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MDPI and ACS Style

Pei, Y.; Xia, D.; Wang, S.; Cong, L.; Wang, X.; Wang, D. Effects of Temperature on the Tribological Properties of NM600 under Sliding Wear. Materials 2019, 12, 4009.

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