Phase composition and tribological properties of ti-al coatings produced on pure ti by laser cladding
文献类型：期刊论文
| 作者 | Guo, Baogang; Zhou, Jiansong; Zhang, Shitang; Zhou, Huidi; Pu, Yuping; Chen, Jianmin |
| 刊名 | Applied surface science
 |
| 出版日期 | 2007-10-15 |
| 卷号 | 253期号:24页码:9301-9310 |
| 关键词 | Laser cladding Ti-al coating Phase composition Tribological properties |
| ISSN号 | 0169-4332 |
| DOI | 10.1016/j.apsusc.2007.05.056 |
| 通讯作者 | Chen, jianmin(chenjm@lzb.ac.cn) |
| 英文摘要 | Ti-al coatings with similar to 14.7, 18.1, 25.2 and 29.7 at.% al contents were fabricated on pure ti substrate by laser cladding. the laser cladding ti-al coatings were analyzed with x-ray diffraction (xrd), scanning electron microscope (sem) and x-ray energy dispersive spectroscopy (eds). lt was found that with the increase of al content, the diffraction peaks shifted gradually to higher 20 values. the laser cladding ti-al coatings with 14.7 and 18.1 at.% al were composed of alpha-ti and alpha(2)-ti3al phases, while those with 25.2 and 29.7 at.% al were composed of alpha(2)-ti3al phase. with the increase of al content, the cross-sectional hardness increased, while the fracture toughness decreased. for the laser cladding ti-al coatings, when the al content was <= 18.1 at.%, the wear mechanism was adhesive wear and abrasive wear; while when the al content >= 25.2 at.%, the wear mechanism was adhesive wear, abrasive wear and microfracture. with the increase of al content, the wear rate of laser cladding ti-al coatings decreased under 1 n normal load, while the wear rate firstly decreased and then increased under a normal load of 3 n. due to its optimized combination of high hardness and high fracture toughness, the laser cladding ti-al coating with 18.1 at.% al showed the best anti-wear properties at higher normal load. (c) 2007 elsevier b.v. all rights reserved. |
| WOS关键词 | WEAR-RESISTANCE ; TITANIUM-ALLOY ; SURFACE MODIFICATION ; MELT INJECTION ; MIXED POWDERS ; TI-6AL-4V ; MICROSTRUCTURE ; GRAPHITE ; FRICTION ; NI |
| WOS研究方向 | Chemistry ; Materials Science ; Physics |
| WOS类目 | Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter |
| 语种 | 英语 |
| WOS记录号 | WOS:000250182000003 |
| 出版者 | ELSEVIER SCIENCE BV |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2380054 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Chen, Jianmin |
| 作者单位 | 1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 3.Cent Iron & Steel Res Inst, Beijing 100081, Peoples R China |
| 推荐引用方式 GB/T 7714 | Guo, Baogang,Zhou, Jiansong,Zhang, Shitang,et al. Phase composition and tribological properties of ti-al coatings produced on pure ti by laser cladding[J]. Applied surface science,2007,253(24):9301-9310. |
| APA | Guo, Baogang,Zhou, Jiansong,Zhang, Shitang,Zhou, Huidi,Pu, Yuping,&Chen, Jianmin.(2007).Phase composition and tribological properties of ti-al coatings produced on pure ti by laser cladding.Applied surface science,253(24),9301-9310. |
| MLA | Guo, Baogang,et al."Phase composition and tribological properties of ti-al coatings produced on pure ti by laser cladding".Applied surface science 253.24(2007):9301-9310. |
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来源：中国科学院大学
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