Reaction mechanism of Ni-Al during thermal spraying

被引：0

作者：

Wang, Z. L. ^{[1
]}

Li, Q. ^{[2
]}

Han, X. R. ^{[2
]}

Ju, C. ^{[1
]}

Song, Q. H. ^{[1
]}

Li, J. J. ^{[1
]}

Sun, Z. P. ^{[1
]}

Zhang, Y. F. ^{[1
]}

机构：

[1] Qilu Univ Technol, Shandong Acad Sci, Sch Mech & Automot Engn, Jinan 250353, Shandong, Peoples R China

[2] Qilu Univ Technol, Shandong Acad Sci, Sch Mat Sci & Engn, Jinan 250353, Shandong, Peoples R China

来源：

DIGEST JOURNAL OF NANOMATERIALS AND BIOSTRUCTURES | 2021年 / 16卷 / 04期

关键词：

Thermal spraying; Ni-Al coating; Ni-Al composite wire; Reaction mechanism; OXIDATION; COATINGS;

D O I：

暂无

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this paper, the microstructure and element distribution of the Ni-Al coating prepared with the nickel coated aluminum composite powder, aluminum coated nickel composite powder and Ni-Al composite wire are studied by Scanning Electron Microscopy. Energy dispersive spectrometer element mapping was employed to obtain elemental composition at different areas of the powder and coating cross-section. X- ray diffraction and thermogravimetry differential thermal analysis are used to qualitatively analyze the phase. Finally, the reaction mechanism of Ni-Al in thermal spraying process is studied. It is found that the quality of Ni-Al coating obtained by aluminum coated nickel powder is better than that of nickel coated aluminum powder. Compared with Ni-Al composite powder, the spraying efficiency of Ni-Al composite wire flame spraying is higher.

引用

页码：1295 / 1311

页数：17

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