Influence of thermal spray process on high temperature oxidation property of CoNiCrAlY coatings

被引：0
|
作者：
机构：
[1] Suidzu, Tatsuo
[2] Nishizako, Syun
[3] Arai, Masayuki
来源：
| 1600年 / Society of Materials Science Japan卷 / 65期
关键词：
Sprayed coatings - Thermooxidation - Corrosion resistant coatings - Aluminum alloys - Cobalt alloys - HVOF thermal spraying - High temperature corrosion - Thermal barrier coatings;
D O I：
10.2472/jsms.65.313
中图分类号：
学科分类号：
摘要：
Thermal sprayed MCrAlY alloy coatings are applied to protect the substrate from oxidation and corrosion under the high temperature environment. Though there are various MCrAlY alloys, CoNiCrAlY is generally used. And, CoNiCrAlY alloy are coated by various thermal spray processes, LPS, HVOF, and APS. However, few studies have been conducted on influences of thermal spray processes on high temperature oxidation property of CoNiCrAlY alloy coatings. In this study, high temperature exposure test was conducted on CoNiCrAlY alloy coatings applied by LPS, HVOF and APS. Influences of thermal spray processes on high temperature oxidation property of CoNiCrAlY coating is reported based on the growth behavior of the oxide layer formed on CoNiCrAlY alloy coating surface. © 2016 The Society of Materials Science, Japan.
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