Impact of annealing temperature on the microstructure, microhardness, tribological properties and corrosion resistance of Ni-Mo/diamond composites
文献类型：期刊论文
| 作者 | Liu, J. H.1,2; Yan, J. X.1,2; Liu, Y. D.1,2; Li, W. H.1,2; Gu, W. S.1,2; Pei, Z. L.2; Gong, J.2; Sun, C.2 |
| 刊名 | APPLIED SURFACE SCIENCE
 |
| 出版日期 | 2021-03-01 |
| 卷号 | 541页码:14 |
| 关键词 | Microstructure Particle/matrix interface Phase transition Tribological properties Corrosion resistance |
| ISSN号 | 0169-4332 |
| DOI | 10.1016/j.apsusc.2020.148367 |
| 通讯作者 | Pei, Z. L.(zlpei@imr.ac.cn) ; Sun, C.(csun@imr.ac.cn) |
| 英文摘要 | Ni-18 at.% Mo/21 vol% diamond composites are prepared on steel substrates by electrodeposition. Influence of annealing temperature (450-750 degrees C) on the microstructure, phase composition, hardness, tribological properties and corrosion resistance of composites is analyzed. Results show that matrix grain grows from 7 nm to 38.4 nm with the increasing temperature. Wide and amorphous particle/matrix (P/M) interface is observed at 450 degrees C due to Mo segregation, improving hardness (11.3 GPa) and wear resistance of composites. However, the uneven distribution of composition at P/M interface leads to the occurrence of local corrosion and the reduction of corrosion resistance. MoNi and Mo2C intermetallics are precipitated in composites while the temperature is >480 degrees C and 681 degrees C, respectively. Phase transition decreases Mo segregation at P/M interface and causes the disappearance of amorphous P/M interface, which inhibits local corrosion and improves corrosion resistance. Meanwhile, the consumption of Mo, the graphitization of diamonds and the growth of grains cause the softening of composites. However, composite annealed at 750 degrees C with the lowest hardness (6.2 GPa) has the lowest wear rate (3.4 x 10(-6) mm(3) N-1 m(-1)), which breaks the traditional Archard model attributing to the lubrication of Mo2C. |
| 资助项目 | National Science and Technology Major Project[2017-VII-0012-0108] |
| WOS研究方向 | Chemistry ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000608921900001 |
| 出版者 | ELSEVIER |
| 资助机构 | National Science and Technology Major Project |
| 源URL | [http://ir.imr.ac.cn/handle/321006/159047]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Pei, Z. L.; Sun, C. |
| 作者单位 | 1.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, J. H.,Yan, J. X.,Liu, Y. D.,et al. Impact of annealing temperature on the microstructure, microhardness, tribological properties and corrosion resistance of Ni-Mo/diamond composites[J]. APPLIED SURFACE SCIENCE,2021,541:14. |
| APA | Liu, J. H..,Yan, J. X..,Liu, Y. D..,Li, W. H..,Gu, W. S..,...&Sun, C..(2021).Impact of annealing temperature on the microstructure, microhardness, tribological properties and corrosion resistance of Ni-Mo/diamond composites.APPLIED SURFACE SCIENCE,541,14. |
| MLA | Liu, J. H.,et al."Impact of annealing temperature on the microstructure, microhardness, tribological properties and corrosion resistance of Ni-Mo/diamond composites".APPLIED SURFACE SCIENCE 541(2021):14. |
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。