Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Study of Thermal Spraying Technology Having Both Heat Fatigue Characteristic and the High Temperature Oxidization Characteristic
Keiji SONOYAHiroyuki MIYAZAWA
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JOURNALS FREE ACCESS

2005 Volume 91 Issue 2 Pages 259-264

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Abstract

The heat fatigue characteristic and the high temperature oxidization characteristic were examined about the typical cermet and metal type sprayed coatings as a part which aims at the life extension by applying thermal spraying technology to the components used in the intermediate temperature region of a diesel engine etc. And most suitable sprayed coatings was collected. The result is summarized below. (1) The high temperature fatigue characteristic of Hasteloy C sprayed coating was superior to Cr3C2-25%NiCr sprayed coating and was more than or as same as that of steel coating. (2) From a high temperature oxidization examination result, it became clear that the high temperature oxidization characteristic of Hasteloy C sprayed coating was superior to steel casting and was equivalent to Cr3C2-25%NiCr sprayed coating. (3) From (1) and (2), it was shown clear that Hasteloy C psrayed coating having the both excellent ability of the High temperature fatigue characteristic and the high temperature oxidization characteristic excelled in the environment-proof property of components in the intermediate temperature region.

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