MICROSTRUCTURE AND WEAR RESISTANCE OF THE LASER HARDENED PM TOOL STEEL VANADIS 6

被引：0

作者：

Surzhenkov, A. ^{[1
]}

Kulu, P. ^{[1
]}

Viljus, M. ^{[1
]}

Vallikivi, A. ^{[1
]}

Latokartano, J. ^{[1
]}

机构：

[1] TUT, Dept Mat Engn, Tallinn, Estonia

来源：

PROCEEDINGS OF THE 7TH INTERNATIONAL CONFERENCE OF DAAAM BALTIC INDUSTRIAL ENGINEERING, VOLS 1 AND 2 | 2010年

关键词：

laser hardening; tool steel; abrasive wear resistance; austenization;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Laser hardening of previously unhardened PM tool steel Vanadis 6 was studied. It was found that the best combination of properties was achieved, applying the laser beam of 700 W and the scan speed of 300 mm/min. In this case, the microhardness values ranged from 330 to 540 HV0.3 and case depth from 7.3 to 7.8 mm, volumetric wear equalled to 2.4 mm(3), what is, however, 2 times larger wear than that of conventionally hardened steel. This result can be explained by the large amount of retained austenite.

引用

页码：486 / +

页数：2

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