DAI Bing,ZHANG Heng-hua,HUANG Bo,GAO Guo-qiang.Effect of DLC Surface Treatment on Wear Resistance of High Speed Steel[J],37(6):24-26 |
Effect of DLC Surface Treatment on Wear Resistance of High Speed Steel |
Received:July 18, 2008 Revised:December 10, 2008 |
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KeyWord:Diamond-like carbon films Coefficient of friction Lubrication Friction and wear characteristics |
Author | Institution |
DAI Bing |
School of Materials Science and Engineering, Shanghai University, Shanghai , China |
ZHANG Heng-hua |
School of Materials Science and Engineering, Shanghai University, Shanghai , China |
HUANG Bo |
Shanghai Hitachi Electrical Appliances Co. , Ltd, Shanghai , China |
GAO Guo-qiang |
Shanghai Hitachi Electrical Appliances Co. , Ltd, Shanghai , China |
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Abstract: |
The wear resistance of metal parts can be obviously improved after DLC surface treatment, so the DLC film technology is becoming more of a concerned field in mechanical industry. The differences about friction characteristics between nonsurface-treated and surface-treated with DLC films on high speed steel were investigated under different conditions using MM-200 friction and wear tester. The wear resistance was evaluated by weight loss method. It is revealed from the results that surfaces treated with DLC films can greatly improve the wear resistance of high speed steel, no matter during conditions of various lubrication ( oil lubrication and dry friction) or different speeds ( low speed and high speed). The micrographs of the wear track were also studied by SEM and the mechanisms of wear were analyzed. |
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