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Wear Mechanism of cemented carbide tool in High Speed Milling of Stainless Steel

Chinese Journal of Mechanical Engineering 2018年第6期31卷 177-186页

作者： Guang-Jun Liu Zhao-Cheng Zhou Xin Qian Wei-Hai Pang Guang-Hui Li Guang-Yu Tan School of Mechanical Engineering Tongji University College of Environmental Science and Engineering Tongji University School of Mechanical and Power Engineering Guangdong Ocean University

Adhesion of cutting tool and chip often occurs when machining stainless steels with cemented carbide tools. Wear mechanism of cemented carbide tool in high speed milling of stainless steel 0Cr13Ni4 Mo was studied in this work. Machining tests on high speed milling of 0Cr13Ni4 Mo with a cemented carbide tool are conducted. The cutting force and cutting temperature are measured. The wear pattern is recorded and analyzed by high?speed camera, scanning electron microscope(SEM) and energy dispersive X?ray spectroscopy(EDS). It is found that adhesive wear was the dominant wear pattern causing tool failure. The process and microcosmic mechanism of the tool’s adhesive wear are analyzed and discussed based on the experimental results. It is shown that adhesive wear of the tool occurs due to the wear of coating, the a nity of elements Fe and Co, and the grinding of workpiece materials to the tool material. The process of adhesive wear includes both microcosmic elements di usion and macroscopic cyclic process of adhe?sion, tearing and fracture.

关键词： cemented carbide tool High speed milling Stainless steel Wear mechanism

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Cutting Performance and Mechanism of RE carbide tools

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Rare Metals 2001年第3期20卷 197-201页

作者： Jianbing Cheng, Yufang Wu, Qixun Yu 1) Department of Mechanical Engineering, Beijing Technology and Business University, Beijing 100037, China 2) College of Mechanical Engineering and Automation, Beijing Institute of Technology Beijing 100081, China Beijing Technol & Business Univ Dept Mech Engn Beijing 100037 Peoples R China Beijing Inst Technol Coll Mech Engn & Automat Beijing 100081 Peoples R China

The research of rare earth elements (RE), added into cemented carbide tools, is one of the recent developments of new types of tool materials in China. Systematic experiments about RE carbides YG8R. (K30), YT14R (P20) and, YW1R (M10) were made to study on the cutting performance in comparison with non-RE carbides YG8, YT14 and YW1. The cutting experiments were as follows: tool life, cutting force, tool-chip friction coefficient and interrupted machining. The action of RE on the carbide materials and the cutting mechanism of the RE carbide tools in the cutting process were verified with the aid of SEM and energy spectrum analysis. Experimental results show that the RE carbide tools have a good overall performance.

关键词： rare earth elements cemented carbide tool cutting performance cutting mechanism

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维普期刊数据库

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Adhesion Wear of carbide tool when Machining GH 907

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Journal of Wuhan University of Technology(Materials Science) 2010年第3期25卷 469-473页

作者：邵芳 Shandong Binzhou Vacational College

The adhesion wear of cemented carbide tool when machining GH907 was studied with white light interferometer,infrared imaging,and *** adhesion wear morphology,wear mechanism and the wear rule of adhesion were analyzed,and the effect of different cutting time and different cutting speed on adhesive wear were *** conclusion will provide useful references for the optimization of cutting parameters and the improvement of the tool life.

关键词： GH907 adhesion wear cemented carbide tool

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