Effect of Al Content on the Wear Evolution of Ti1-xAlxN-Coated Tools Milling Ti-6Al-4V Alloy

被引：2
作者：
Fan, Guanghui [1 ,2 ]
Zhang, Jingjie [1 ,2 ]
Zhang, Peirong [1 ,2 ]
Du, Jin [1 ,2 ]
Xu, Chonghai [1 ,2 ]
Yi, Mingdong [1 ,2 ]
Zhang, Guoqing [1 ,2 ]
机构：
[1] Qilu Univ Technol, Shandong Acad Sci, Fac Mech Engn, Jinan 250353, Peoples R China
[2] Qilu Univ Technol, Shandong Acad Sci, Key Lab Equipments Mfg & Intelligent Measurement &, China Natl Light Ind, Jinan 250353, Peoples R China
来源：
MICROMACHINES | 2023年 / 14卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Ti1-xAlxN-coated tools; Ti-6Al-4V alloy; evolution of wear form; wear mechanism; milling; COATED CARBIDE TOOLS; MECHANICAL-PROPERTIES; TIALN COATINGS; MICROSTRUCTURE; BEHAVIOR; NANOCOMPOSITE; FILMS;
D O I：
10.3390/mi14061228
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Ti1-xAlxN coating is formed by replacing some Ti atoms in TiN with Al atoms, and their properties are closely related to Al content (0 < x < 1). Recently, Ti1-xAlxN-coated tools have been widely used in the machining of Ti-6Al-4V alloy. In this paper, the hard-to-machine material Ti-6Al-4V alloy is used as the study material. Ti1-xAlxN-coated tools are used for milling experiments. The evolution of the wear form and the wear mechanism of Ti1-xAlxN-coated tools are studied, and the influence of Al content (x = 0.52, 0.62) and cutting speed on tool wear are analyzed. The results show that the wear on the rake face changes from the initial adhesion and micro-chipping to coating delamination and chipping. Wear on the flank face varies from the initial adhesion and grooves to boundary wear, build-up layer, and ablation. The main wear mechanisms of Ti1-xAlxN-coated tools are dominated by adhesion, diffusion, and oxidation wear. Ti0.48Al0.52N coating protects the tool well and extends its service life.
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页数：18
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