Vacuum brazing TiAl-based intermetallics using novel Ti-Fe-Mn eutectic brazing alloy
文献类型：期刊论文
| 作者 | Cai, Y. S.; Liu, R. C.; Ji, H. B.; Cui, Y. Y.; Yang, R. |
| 刊名 | INTERMETALLICS
 |
| 出版日期 | 2021-09-01 |
| 卷号 | 136页码:13 |
| ISSN号 | 0966-9795 |
| 关键词 | Vacuum brazing Titanium aluminide Microstructure Tensile strength Ti-20Fe-21Mn eutectic brazing alloy |
| DOI | 10.1016/j.intermet.2021.107274 |
| 通讯作者 | Cai, Y. S.(yscai@imr.ac.cn) |
| 英文摘要 | Ti-22Fe-23Mn(at.%) eutectic brazing alloy ribbon fabricated by vacuum arc remelting and rapid solidification as filler metal used to vacuum braze Ti-45Al-2Mn-2Nb-1B(at.%) alloy. The effects of brazing temperature and time on the interfacial microstructure and joining properties were investigated in detail. The microstructure of the Ti-20Fe-21Mn brazing alloy presented excellent diffusion ability, and the brazed joints mainly consisted of alpha 2/gamma lamellar phase, single alpha 2 phase, B2 phase, and boride. The brazed joint's tensile strength first increased and then decreased with the brazing temperature in the range of 1170 degrees C-1250 degrees C, and the holding time varied from 5 min to 60 min. The highest tensile strength at room temperature was 540 MPa when the joint brazed at 1230 degrees C for 45 min. The high-temperature tensile strength first increased and then decreased with the testing temperature. The high-temperature tensile strength of Ti-22Fe-23Mn(at.%) alloy was superior to Ti-Zr-Cu-Ni (at.%) alloy. The high-temperature tensile strength was lower than 45XD alloy below 850 degrees C. However, the tensile strength was closer to 45XD alloy when the testing temperature varied from 900 degrees C to 1000 degrees C. All the cracks nucleated and propagated in the poor boride zone, and the fracture surfaces presented typical brittle cleavage fracture characteristics. |
| WOS研究方向 | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCI LTD |
| WOS记录号 | WOS:000696700700004 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/166989]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Cai, Y. S. |
| 作者单位 | Chinese Acad Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China |
| 推荐引用方式 GB/T 7714 | Cai, Y. S.,Liu, R. C.,Ji, H. B.,et al. Vacuum brazing TiAl-based intermetallics using novel Ti-Fe-Mn eutectic brazing alloy[J]. INTERMETALLICS,2021,136:13. |
| APA | Cai, Y. S.,Liu, R. C.,Ji, H. B.,Cui, Y. Y.,&Yang, R..(2021).Vacuum brazing TiAl-based intermetallics using novel Ti-Fe-Mn eutectic brazing alloy.INTERMETALLICS,136,13. |
| MLA | Cai, Y. S.,et al."Vacuum brazing TiAl-based intermetallics using novel Ti-Fe-Mn eutectic brazing alloy".INTERMETALLICS 136(2021):13. |
入库方式： OAI收割
来源：金属研究所
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