Surface alloying of Ti alloy by CO₂laser is able to produce few hundred micrometers thick TiN or TiC surface-alloyed layer with high hardness on the substrate by injecting reaction gas(N₂or CH₄). Laser surface alloying by means of process contro...
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https://www.riss.kr/link?id=A3073285
1996
-
500
KCI등재
학술저널
177-186(10쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
Surface alloying of Ti alloy by CO₂laser is able to produce few hundred micrometers thick TiN or TiC surface-alloyed layer with high hardness on the substrate by injecting reaction gas(N₂or CH₄). Laser surface alloying by means of process contro...
Surface alloying of Ti alloy by CO₂laser is able to produce few hundred micrometers thick TiN or TiC surface-alloyed layer with high hardness on the substrate by injecting reaction gas(N₂or CH₄). Laser surface alloying by means of process control is in many applications essential in order to obtain predictable hardening layer. This research has been investigated the effect of such parameters on TiN and TiC gas alloying of Ti-6Al-4V alloy by CO₂laser. The maximum surface hardness of TiN layer was obtained 1750Hv on the conditions of 0.8㎾ laser power, 0.8m/min scanning speed and 100% N₂atmosphere. However, the maximum hardness of TiC formation layer after laser treatment was about 630Hv. As scanning speed was increased, the hardness and depth of these layers were decreased at constant laser power.
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