338 溶射部材の疲労特性向上のための効果的な再溶融処理方法(OS5-4 遮熱・耐環境コーティングの特性,OS5 コーティング部材の組織制御と高機能化3)

概要

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Rotational bending fatigue tests were carried out on medium carbon steel(S35C) coated with thermally sprayed Ni-based self-fluxing alloy, which were fused in a short period by using an induction heating system and heated in different periods and at different temperature by a vacuum furnace before and after fusing process to improve the fatigue strength. As a result, the specimen re-heated in a long period at the appropriate temperature which the segregation of chromium compounds hardly grow at, which is possible cause of lowering of coating strength, showed higher fatigue strength. This is because the adhesion between the coating layer and the substrate was improved by re-heating process without large growth of the segregation of chromium compounds.
社団法人日本機械学会の論文
2005-11-03