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.
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页码：486 / +
页数：2
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