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Temperature effect on the microhardness of Ti-overlaid 4145 steel implanted with nitrogen

Authors
Journal
Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms
0168-583X
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/0168-583x(87)90706-3

Abstract

Abstract Previous work has shown that nitrogen-ion implantation into Ti-overlaid 4145 steel increased surface microhardness when annealed for 20 min at moderate (300°C), but not high (600°C) temperatures. In the present work, evidence is presented which suggests that the disappearance of the hardening effect at the higher temperature is due to the almost total diffusion of the nitrogen out of the implanted region.

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