Kerosene-fuelled high velocity oxy-fuel (HVOF) spray of Ti2AlC MAX phase powders

被引：34

作者：

Zhang, Zheng ^{[1
]}

Lim, Suo Hon ^{[1
]}

Chai, Jianwei ^{[1
]}

Mei, Doreen ^{[1
]}

Lai, Ying ^{[1
]}

Lim, Poh Chong ^{[1
]}

Cheong, Augustine Kok Heng ^{[1
]}

Wang, Shijie ^{[1
]}

Jin, Hongmei ^{[2
]}

Pan, Jisheng ^{[1
]}

机构：

[1] ASTAR, Inst Mat Res & Engn, 08-03,2 Fusionopolis Way, Singapore 138634, Singapore

[2] ASTAR, Inst High Performance Comp, 1 Fusionopolis Way, Singapore 138632, Singapore

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2018年 / 735卷

关键词：

Ti2AlC; MAX phase; Thermal spray; High velocity oxy-fuel spray; Kerosene; Decomposition; M(N+1)AX(N) PHASES; OXIDATION BEHAVIOR; THIN-FILMS; DEPOSITION; COATINGS; MICROSTRUCTURE; CERAMICS; HARDNESS;

D O I：

10.1016/j.jallcom.2017.11.157

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Kerosene-fueled high velocity oxy-fuel (HVOF) spray was employed to deposit commercial Ti2AlC MAX phase powders onto Inconel 600 substrates. After optimizing three process parameters including flow rates of kerosene and oxygen as well as spray distance, a dense Ti2AlC coating with a very low decomposition was obtained. Using Rietveld phase analysis of the X-ray diffraction pattern, the weight percentage of Ti2AlC in the coating was determined to be 53.0%, which is not only far better than the coating deposited by plasma spray, but also is comparable with the optimum Ti2AlC coatings sprayed by H-2-fueled HVOF and cold spray. This optimized Ti2AlC coating was further analyzed by a variety of techniques to probe its surface chemistry, morphology, cross-sectional microstructure, mechanical properties and salt fog corrosion resistance. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：377 / 385

页数：9

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