Transforming the amorphous Ti-Al-C coatings to high-purity Ti2AlC MAX phase coatings by prolonged annealing at 550 °C

被引：19

作者：

Wang, Zhenyu ^{[1
,2
]}

Li, Wentao ^{[1
]}

Wang, Cuicui ^{[1
]}

Wu, Haichen ^{[3
]}

Ke, Peiling ^{[1
]}

Wang, Aiying ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China

[2] Chinese Acad Sci, Ningbo Inst Ind Technol, Ningbo 315201, Peoples R China

[3] Chinese Acad Sci, Ctr Anal & Measurements, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China

来源：

MATERIALS LETTERS | 2020年 / 261卷 / 261期

基金：

中国国家自然科学基金;

关键词：

MAX phase; Ti2AlC coatings; Ceramics; Structural; Synthesis temperature; THIN-FILMS; DEPOSITION; OXIDATION; GROWTH;

D O I：

10.1016/j.matlet.2019.127160

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ti2AlC MAX phases have been considered as the promising protective coating materials in nuclear energy and other harsh environments due to their unique properties. However, high preparation temperatures of Ti2AlC coatings, generally >= 700 degrees C, are the main barriers to their further application on temperature-sensitive substrates. Taking the concept of surface dynamics during prolonged annealing at low-temperatures, herein we reported a quite facile strategy to fabricate high-purity Ti2AlC coatings by transforming amorphous Ti-Al-C coatings at 550 degrees C. The transformation mechanisms of Ti2AlC MAX phase were also discussed in terms of their microstructural evolutions. (C) 2019 Elsevier B.V. All rights reserved.

引用

页数：4

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