Behaviour of PVD coatings in the turning of austenitic stainless steels

被引：65

作者：

Fernandez-Abia, A. I. ^{[1
]}

Barreiro, J. ^{[1
]}

Fernandez-Larrinoa, J. ^{[2
]}

Lopez de Lacalle, L. N. ^{[3
]}

Fernandez-Valdivielso, A. ^{[3
]}

Pereira, O. M. ^{[1
]}

机构：

[1] Univ Leon, Dept Mech Informat & Aerospatiale Engn, Campus Vegazana, E-24071 Leon, Spain

[2] Metal Estalki, Derto 48160, Spain

[3] Univ Vasque Country, Dpt Mech Engn, Bilbao 48013, Spain

来源：

MANUFACTURING ENGINEERING SOCIETY INTERNATIONAL CONFERENCE, (MESIC 2013) | 2013年 / 63卷

关键词：

austenitic stainless steel; turning; PVD coating; NANOCOMPOSITE COATINGS; WEAR-RESISTANCE; ALSITIN;

D O I：

10.1016/j.proeng.2013.08.241

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The market of turning tools is coped majority by hard metal tools with CVD coating. However, availability of tools with sharp cutting edges is essential in light turning of small parts. In this context, PVD process is optimum for obtaining sharp edges. Therefore, a methodology is presented to evaluate the performance of PVD advanced tools for turning of difficult to machine materials. Four coatings were tested: AlTiSiN (nACo (R)), AlCrSiN (nACRo (R)), AlTiN and TiAlCrN. The analysis was developed carrying out wear tests and analyzing different signals such as cutting forces, EDX analysis of inserts, part roughness and insert image analysis. Results indicate that the best coatings for turning of difficult to machine materials as austenitic stainless steels are nACo (R) and AlTiN coatings, since they offer the best performance. Several factors demonstrate it: better tool flank wear evolution, less tangential cutting force or lower part roughness. (C) 2013 The Authors. Published by Elsevier Ltd. Open access under CC BY-NC-ND license.

引用

页码：133 / 141

页数：9

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