1. Tool Steels;Roberts,1998
2. Laser hardening of chrome steels;Kovalenko,1992
3. Comparison of different techniques of laser surface hardening;Grum;J. Ach. Mater. Manuf. Eng.,2007
4. An overview of laser surface modification of die steels;Aqida,2008
5. Surface hardening of an AISI D6 cold work steel using a fiber laser;Goia;J. ASTM Int.,2011