文献类型：期刊文献

英文题名：Tribological Performance of Micro-Groove Tools of Improving Tool Wear Resistance in Turning AISI 304 Process

作者：Wu, Jinxing Zhan, Gang He, Lin Zou, Zhongfei Zhou, Tao Du, Feilong

第一作者：Wu, Jinxing

通信作者：He, L[1];He, L[2]

机构：[1]Guizhou Univ, Sch Mech Engn, Guiyang 550025, Peoples R China;[2]GuiZhou MinZu Univ, Sch Mech & Elect Engn, Guiyang 550025, Peoples R China;[3]Guizhou Vocat Technol Coll Elect & Informat, Dept Automot Engn, Kaili 556000, Peoples R China;[4]Liupanshui Normal Colleague, Sch Min & Civil Engn, Liupanshui 553004, Peoples R China;[5]GuiZhou Inst Technol, Sch Mech Engn, Guiyang 550003, Peoples R China

第一机构：Guizhou Univ, Sch Mech Engn, Guiyang 550025, Peoples R China

通信机构：corresponding author), Guizhou Univ, Sch Mech Engn, Guiyang 550025, Peoples R China;corresponding author), Liupanshui Normal Colleague, Sch Min & Civil Engn, Liupanshui 553004, Peoples R China.

年份：2020

卷号：13

期号：5

外文期刊名：MATERIALS

收录：;EI(收录号：20201308336863);Scopus(收录号：2-s2.0-85082006036);WOS:【SCI-EXPANDED(收录号:WOS:000524060200214)】；

基金：This research was funded by the National Natural Science Foundation of China (Grant Nos.51765009 and 51665007).

语种：英文

外文关键词：micro-groove tool; friction; cutting force; wear

摘要：AISI 304 has good physical and chemical properties and thus is widely used. However, due to the low thermal diffusivity, the cutting temperature of AISI 304 is high accelerating the wear of the tool. Therefore, tool wear is a major problem in machining hard cutting materials. In this study, we developed a new type of micro-groove tool whose rake surface was distributed with micro-groove by powder metallurgy based on the finite element temperature field morphology. We compared the wear of the proposed micro-groove tool with an untreated one by using a scanning electron microscope (SEM) and an X-ray energy spectrum. The abrasive, adhesive, and oxidation wear of the rake and the flank face of the micro-groove tool were lower than that of the untreated one. Due to the micro-groove on the rake face of the tool, the contact length between the tool and chip was reduced, leaving more extension space. Furthermore, chip extrusion deformation was avoided, and the energy caused by chip deformation was reduced. After 70 min of cutting, the counterpart reached the specified wear amount while the main cutting force, the feed resistance, and the cutting depth resistance of the proposed micro-groove tool were reduced by 16.1%, 33.9%, and 40.1%, respectively. With regard to steady state, the cutting temperature was reduced by 17.2% and the wear width of the flank face was reduced by 36.7%.