On the Applicability of Modified Water-Based Yttria-Stabilized Zirconia Suspensions to Produce Plasma-Sprayed Columnar Coatings

被引：1

作者：

Yaghtin, Amirhossein ^{[1
,2
]}

Yaghtin, Maryam ^{[2
]}

Najafisayar, Pooria ^{[3
]}

Tang, Zhaolin ^{[2
,4
]}

Troczynski, Tom ^{[2
]}

机构：

[1] Islamic Azad Univ, Coll Engn 2, Dept Mat Sci & Engn, Shiraz Branch, Shiraz 7198774731, Iran

[2] Univ British Columbia, Dept Mat Engn, Vancouver, BC V6T 1Z4, Canada

[3] Shiraz Univ, Sch Engn, Dept Mat Sci & Engn, Shiraz 7134851154, Iran

[4] Northwest Mettech Corp, Surrey, BC V4N 4C4, Canada

来源：

COATINGS | 2023年 / 13卷 / 08期

关键词：

YSZ suspension; water; ethanol; plasma spraying; columnar coating; THERMAL BARRIER; DISPERSANTS; SURFACE;

D O I：

10.3390/coatings13081330

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the applicability of the modified water-based yttria-stabilized zirconia (YSZ) suspensions, including different dispersants, to produce plasma-sprayed coatings with a "columnar microstructure" is investigated. The effects of processing parameters, like the suspension liquid-phase ethanol content, change in substrate roughness, and spray distance on the resulting coating morphologies, are investigated. The results showed that increasing the ethanol concentration, substrate surface roughness, and spray distance promotes the formation of coatings with a columnar structure. Moreover, the application of modified water-based suspensions, including the a-Terpineol dispersant, has led to the deposition of columnar coatings with comparable morphologies of coatings deposited from ethanol-based suspensions.

引用

页数：13

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