| 强化研磨时间对GCr15轴承钢干摩擦性能的影响 |
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| 引用本文： | 刘晓初,黄建枫,高伟林,黄伟锋,萧金瑞,李萍,吴俊.强化研磨时间对GCr15轴承钢干摩擦性能的影响[J].组合机床与自动化加工技术,2022(2):121-124. |
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| 作者姓名： | 刘晓初 黄建枫 高伟林 黄伟锋 萧金瑞 李萍 吴俊 |
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| 作者单位： | 广州大学机械与电气工程学院;广州大学广州市金属材料强化研磨高性能加工重点实验室;广州大学广东省强化研磨高性能微纳加工工程技术研究中心 |
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| 基金项目： | 国家自然科学基金项目(U1601204,51975136);国家重点研发计划项目(2018YFB2000500);广东省科技计划项目(2019B020404);广州大学研究生“基础创新”项目(2019GDJC-M21);广州市教育局青年人才科研项目(201831808);广东省重点领域研发计划项目(2019B090917004)。 |
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| 摘 要： | 为研究不同强化研磨加工时间下GCr15轴承钢的干摩擦性能,首先采用强化研磨机对GCr15轴承钢板进行不同喷射时间的强化研磨加工,采用显微硬度计测量了不同强化研磨时间下样品的截面显微硬度;利用超景深显微镜观察了强化层的厚度和磨痕的表面形貌;利用往复式摩擦磨损实验机对不同强化研磨时间下的GCr15轴承钢样品进行40 N和8...
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| 关 键 词： | 强化研磨 显微硬度 喷射时间 摩擦系数 磨损量 |
Effect of Strengthened Grinding Time on Dry Friction Properties of GCr15 Bearing Steel |
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| LIU Xiao-chu,HUANG Jian-feng,GAO Wei-lin,HUANG Wei-feng,XIAO Jin-rui,LI Ping,WU Jun.Effect of Strengthened Grinding Time on Dry Friction Properties of GCr15 Bearing Steel[J].Modular Machine Tool & Automatic Manufacturing Technique,2022(2):121-124. |
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| Authors: | LIU Xiao-chu HUANG Jian-feng GAO Wei-lin HUANG Wei-feng XIAO Jin-rui LI Ping WU Jun |
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| Affiliation: | (School of Mechanical&Electric Engineering,Guangzhou University,Guangzhou 510006,China;Guangzhou Key Laboratory for Strengthened Grinding and High-Performance Machining of Metal Material,Guangzhou University,Guangzhou 510006,China;Guangdong Engineering and Technology Research Centre for Strengthened Grinding and High Performance Micro-nanomachining,Guangzhou University,Guangzhou 510006,China) |
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| Abstract: | In order to study the dry friction properties of GCr15 bearing steel under different duration of strengthened grinding treatment.Firstly,strengthened grinding processing of GCr15 bearing steel plate with different injection time was carried out by strengthened grinding device,and the microhardness of the sample section under different strengthened grinding time was measured by a microhardness tester.The thickness of the strengthened layer and the surface morphology of the wear were observed by super depth of field microscope.Dry friction and wear experiments of GCr15 bearing steel samples under different strengthened grinding duration were carried out by using a linear reciprocating friction and wear tester under load of 40 N and 80 N.The results show that the microhardness of the material surface increases with the increase of the strengthened time.The thickness of the strengthened layer on the surface of the material is proportional to the processing time.The friction coefficient and mass loss of the sample are inversely proportional to the time of strengthened grinding.Under the same loading conditions,the longer the grinding time,the lower the coefficient of dry friction,the smaller the mass loss,and the better the friction performance of bearing steel. |
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| Keywords: | strengthened grinding microhardness injection time friction coefficient mass loss |
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