Influence of particulate morphology on microstructure and tribological properties of cold sprayed A380/Al2O3 composite coatings
文献类型：期刊论文
| 作者 | Qiu, Xiang2,3; Tariq, Naeem ul Haq1; Qi, Lu2,3; Tang, Jun-Rong2,3; Cui, Xin-Yu2; Du, Hao2; Wang, Ji-Qiang2; Xiong, Tian-Ying2 |
| 刊名 | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
 |
| 出版日期 | 2020-05-01 |
| 卷号 | 44页码:9-18 |
| ISSN号 | 1005-0302 |
| 关键词 | Cold spray Al2O3 particulates X-ray computed tomography Wear test |
| DOI | 10.1016/j.jmst.2020.01.028 |
| 通讯作者 | Wang, Ji-Qiang(jqwang11s@imr.ac.cn) ; Xiong, Tian-Ying(tyxiong@imr.ac.cn) |
| 英文摘要 | In this study, three kinds of A380/Al2O3 composite coatings were prepared by cold spray (CS) using spherical, irregular and spherical + irregular shaped Al2O3 particulates separately mixed in the original A380 alloy powders. The influence of Al2O3 particulates' morphology on the micro structural characteristics (i.e. retention of Al2O3 content in coatings, coating/matrix interfacial bonding, pore size distribution and morphology etc.) and wear performance of the coatings was investigated by scanning electron microscopy (SEM), X-ray computed tomography (XCT) and 3-D optical profilometry. Results indicated that the spherical Al2O3 shows obvious tamping effect during deposition process. As a result, the interface showed a wavy shape while the matrix and particulates were mechanical interlocked with much improved adhesion. In addition, the porosity of the coating was minimized and the pores exhibited curved spherical structure with reduced dimensions. The irregular Al2O3 particles predominantly displayed the embedding effect together with fragmentation of Al2O3 particulates. Consequently, poor coating/ matrix interfacial bonding, high porosity and the formation of angular-shaped pores were resulted in the coating. Dry sliding wear tests results revealed that the wear resistance of the coating is directly related with the retained content of Al2O3 in the coating. The coating containing irregular Al2O3 particulates displayed superior wear performance with its wear rate one seventh of that of the pure A380 alloy coating. The coating containing both kinds of Al2O3 particulates showed mixed characteristics of above two kinds of Al2O3 composite coatings. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology. |
| 资助项目 | National Natural Science Foundation of China[51671205] ; National Natural Science Foundation of China[51801217] |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| 出版者 | JOURNAL MATER SCI TECHNOL |
| WOS记录号 | WOS:000522863000002 |
| 资助机构 | National Natural Science Foundation of China |
| 源URL | [http://ir.imr.ac.cn/handle/321006/138112]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Wang, Ji-Qiang; Xiong, Tian-Ying |
| 作者单位 | 1.Pakistan Inst Engn & Appl Sci, Dept Met & Mat Engn, Islamabad, Pakistan 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Qiu, Xiang,Tariq, Naeem ul Haq,Qi, Lu,et al. Influence of particulate morphology on microstructure and tribological properties of cold sprayed A380/Al2O3 composite coatings[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,44:9-18. |
| APA | Qiu, Xiang.,Tariq, Naeem ul Haq.,Qi, Lu.,Tang, Jun-Rong.,Cui, Xin-Yu.,...&Xiong, Tian-Ying.(2020).Influence of particulate morphology on microstructure and tribological properties of cold sprayed A380/Al2O3 composite coatings.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,44,9-18. |
| MLA | Qiu, Xiang,et al."Influence of particulate morphology on microstructure and tribological properties of cold sprayed A380/Al2O3 composite coatings".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 44(2020):9-18. |
入库方式： OAI收割
来源：金属研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。