S30T正交车铣TC4钛合金磨损形貌及机理分析

doi:10.12068/j.issn.1005-3026.2017.08.015

东北大学学报:自然科学版 ›› 2017, Vol. 38 ›› Issue (8): 1133-1136.DOI: 10.12068/j.issn.1005-3026.2017.08.015

S30T正交车铣TC4钛合金磨损形貌及机理分析

石莉^1,2，巩亚东¹，姜增辉²

( 1. 东北大学机械工程与自动化学院，辽宁沈阳110819; 2. 沈阳理工大学机械工程学院，辽宁沈阳110159)

收稿日期:2016-03-28 修回日期:2016-03-28 出版日期:2017-08-15 发布日期:2017-08-12
通讯作者: 石莉
作者简介:石莉( 1977-) ，女，山东曹县人，东北大学博士研究生，沈阳理工大学副教授; 巩亚东( 1958-) ，男，辽宁本溪人，东北大学教授，博士生导师；姜增辉(1971-)，男，黑河克山人，沈阳理工大学教授.
基金资助:
“高档数控机床与基础制造装备”科技重大专项(2012ZX04003-061)；辽宁省教育厅一般项目(L2015463).

Experimental Analysis Toward Wear Characteristics and Mechanisms for S30T Tools Through Orthogonal Turning-Milling on TC4 Titanium Alloy

SHI Li^1,2， GONG Ya-dong¹， JIANG Zeng-hui²

1. School of Mechanical Engineering ＆ Automation，Northeastern University， Shenyang 110819， China; 2. School of Mechanical Engineering， Shenyang Ligong University， Shenyang 110159， China.

Received:2016-03-28 Revised:2016-03-28 Online:2017-08-15 Published:2017-08-12
Contact: SHI Li
About author:-
Supported by:
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摘要/Abstract

摘要： 利用Mazak Integrex 200Y 车铣复合加工中心，速度范围v=100~250m/min，在干式条件下，采用涂层硬质合金S30T 刀具对钛合金TC4(Ti-6AL-4V)进行正交车铣(顺铣)试验.结果表明:前刀面产生积屑瘤和月牙洼磨损，涂层出现不同程度磨损及破损，严重时产生层片状剥落，后刀面由于黏结作用产生凹坑、沟槽及崩刃.刀具磨损的主要原因为黏结磨损、氧化磨损及涂层剥落.通过X射线电子能谱(XPS)证明氧化磨损中有TiO₂，Al₂O₃，CoO等氧化物生成.

关键词: 涂层硬质合金, 正交车铣, 磨损机理, 电子能谱XPS

Abstract: Orthogonal turning-milling experiments toward S30T tools machining on TC4 titanium alloy under dry cutting conditions with 100-250m/min cutting speeds were performed with Mazak Integrex 200Y machining center. The results indicated that BUE(build-up edge) and crater wear occured， as well as coating wear and delamination on the rake face after dry cutting. On the flank face， tips， groove and tipping were observed. The main causes of the tool wear were adhesion wear， oxidation wear and delamination of coating.X-ray photoelectron spectroscopy (XPS) observation showed that a lot of oxides， such as TiO₂，Al₂O₃，CoO etc were generated in the oxidation.

Key words: coated cemented carbide, orthogonal turning-milling, wear mechanism, X-ray photoelectron spectroscopy

中图分类号:

TG506

石莉，巩亚东，姜增辉. S30T正交车铣TC4钛合金磨损形貌及机理分析[J]. 东北大学学报:自然科学版, 2017, 38(8): 1133-1136.

SHI Li， GONG Ya-dong， JIANG Zeng-hui. Experimental Analysis Toward Wear Characteristics and Mechanisms for S30T Tools Through Orthogonal Turning-Milling on TC4 Titanium Alloy[J]. Journal of Northeastern University Natural Science, 2017, 38(8): 1133-1136.

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S30T正交车铣TC4钛合金磨损形貌及机理分析

Experimental Analysis Toward Wear Characteristics and Mechanisms for S30T Tools Through Orthogonal Turning-Milling on TC4 Titanium Alloy

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