| High temperature tribological behavior of a Ti-46Al-2Cr-2Nb intermetallics | |
| Department | 固体润滑国家重点实验室 |
Cheng J(程军)1,3 ; Yang J(杨军)1; Zhang XH(张兴华)1,3; Zhong H(钟红)2; Ma JQ(马吉强)1; Li F(李斐)1; Fu LC(符立才)1; Bi QL(毕秦岭)1; Li JS(李金山)2; Liu WM(刘维民)1; Yang J(杨军); Li JS(李金山)
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| 2012 | |
| Source Publication | Intermetallics
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| ISSN | 0966-9795 |
| Volume | 31Pages:120-126 |
| Abstract | Tribological behavior of a Ti-46Al-2Cr-2Nb alloy, produced by hot-pressed sintering, was investigated using a home-built ball-on-disc tribotester against a Si3N4 ceramic ball at a constant speed of 0.188 m s−1 and an applied load of 10 N from 20 to 900 °C. It was found that the friction coefficient decreased slowly with increasing temperature from 20 to 600 °C, and then rose and reached the highest value at 800 °C, but slightly dropped at 900 °C. The wear rate of the alloy, in the magnitude of 10−4 mm3/Nm, increased mildly with increasing temperature to a maximum value at 400 °C and then dropped rapidly from 600 to 800 °C, and increased a little at 900 °C. The wear mechanism of the alloy transformed from mainly ploughing and small delamination wear at 20–700 °C to plastic deformation and adhesive wear at 800 and 900 °C. The transition of the wear mechanism occurred between 700 and 750 °C. The friction and wear behavior of the hot-pressed Ti-46Al-2Cr-2Nb alloy was comparable to that of a vacuum casting Ti-41.7Al-8.3Nb-0.09Y alloy measured under the same conditions for comparative purposes. |
| Keyword | Titanium Aluminides Based On Tial Tribological Properties |
| Subject Area | 材料科学与物理化学 |
| DOI | 10.1016/j.intermet.2012.06.013 |
| Funding Organization | the National Natural Science Foundation of China (50801064;51104120) |
| Indexed By | SCI |
| If | 1.857 |
| Language | 英语 |
| Funding Project | 高温抗磨材料组;空间润滑材料组 |
| compositor | 第一作者单位 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.licp.cn/handle/362003/3341 |
| Collection | 固体润滑国家重点实验室（LSL） |
| Corresponding Author | Yang J(杨军); Li JS(李金山) |
| Affiliation | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China 2.Northwestern Polytech Univ, State Key Lab Solidificat Proc, Xian 710072, Peoples R China 3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China |
| Recommended Citation GB/T 7714 | Cheng J,Yang J,Zhang XH,et al. High temperature tribological behavior of a Ti-46Al-2Cr-2Nb intermetallics[J]. Intermetallics,2012,31:120-126. |
| APA | Cheng J.,Yang J.,Zhang XH.,Zhong H.,Ma JQ.,...&李金山.(2012).High temperature tribological behavior of a Ti-46Al-2Cr-2Nb intermetallics.Intermetallics,31,120-126. |
| MLA | Cheng J,et al."High temperature tribological behavior of a Ti-46Al-2Cr-2Nb intermetallics".Intermetallics 31(2012):120-126. |
| Files in This Item: | ||||||
| File Name/Size | DocType | Version | Access | License | ||
| 120-126.PDF（1263KB） | 期刊论文 | 作者接受稿 | 开放获取 | CC BY-NC-SA | View Application Full Text | |
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