A duplex surface treatment has been developed involving the pre-treatment of hardened and tempered AISI H13 chromium hot-work tool steel by a ferritic nitrocarburising process, and a subsequent treatment of the nitrocarburised surface by a low-temperature chromium thermo-reactive deposition process. The process formed a thin and hard chromium carbonitride surface layer above a hardened diffusion zone, and the low processing temperature allowed the properties of the core material to be retained. It is expected this surface treatment will find application in the treatment of tooling used for aluminium forming operations.
History
Journal
Materials forum
Volume
29
Pagination
77 - 82
Publisher
IMEA
Location
North Melbourne, Vic
ISSN
1447-6738
Language
eng
Notes
Reproduced with the specific permission of the copyright owner.
Publication classification
C1 Refereed article in a scholarly journal
Copyright notice
Institute of Materials Engineering Australasia Ltd