Assessment of the properties of sprayed coatings for the thermal barrier applied to the piston of internal-combustion engine

被引：3

作者：

Sonoya, Keiji ^{[1
]}

Sekine, Masashi ^{[2
]}

Nakamura, Masanobu ^{[1
]}

机构：

[1] Yamanashi Univ, Interdisciplinary Grad Sch Med & Engn, 4-3-11 Takeda, Kofu, Yamanashi 4008511, Japan

[2] Yamanashi Univ, Grad Sch Med & Engn Sci, Dept Educ, Kofu, Yamanashi 4008511, Japan

来源：

MECHANICAL ENGINEERING JOURNAL | 2015年 / 2卷 / 01期

关键词：

Thermal barrier property; Al2O3; YSZ; SUS316; Thermal cycle test; Adhesion strength; Delamination;

D O I：

10.1299/mej.14-00380

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The properties of three thermal sprayed coatings (Coating(1): Top coat; Al2O3, Bond coat; Ni-Cr, Coating(2): Top coat; YSZ, Bond coat; CoNiCrA1Y, Coating(2): SUS316) were compared to select the effective sprayed coating for giving the thermal barrier to the Al alloy components of internal-combustion engine. The results are as follows. (1) After thermal cycle test, there was not any crack and delamination in the coating(3), and a partial cracks and delamination were observed at the top coating in coating(1) and (2). (2) The coating(1), (2) and (3) have sufficient adhesion strength. The adhesion strength of coating(2) was specially high. (3) The thermal barrier property of the coating was better than that of coating(1) and coating(3). (4) In the result of comprehensive evaluation, the coating had good thermal barrier property and the coating(3) was a reasonable material because of low cost as the thermal sprayed coating applied to the Al alloy components of internal-combustion engine.

引用

页数：14

共 50 条

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