Promoted room-temperature deformability and high-temperature strength synergy through zig-zag faceted interface design in TiNbTaWC0.7 eutectic refractory high-entropy alloy
With the development of aerospace technologies, there is an urgent demand for materials with better high-temperature performance. Despite the bottleneck of combining high-temperature strength and room-temperature deformability, refractory high-entropy alloys are potential candidates. Here, we report...
Saved in:
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2024-11-01
|
| Series: | Journal of Materials Research and Technology |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S223878542402773X |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850120106679468032 |
|---|---|
| author | Yusheng Tian Beiya Wang Dongyu Wei Decheng Kong Rui Wang Guoliang Zhu Baode Sun |
| author_facet | Yusheng Tian Beiya Wang Dongyu Wei Decheng Kong Rui Wang Guoliang Zhu Baode Sun |
| author_sort | Yusheng Tian |
| collection | DOAJ |
| description | With the development of aerospace technologies, there is an urgent demand for materials with better high-temperature performance. Despite the bottleneck of combining high-temperature strength and room-temperature deformability, refractory high-entropy alloys are potential candidates. Here, we report a novel alloy, TiNbTaWC0.7, with a good strength-ductility synergy by introducing the eutectic carbide phase. The alloy is composed of alternated BCC matrix phase and FCC carbide phase, forming a fully eutectic microstructure. With the introduction of the eutectic carbides, the alloy is robust at 1200 °C. The faceted phase interface together with the compositional complex carbides provides the alloy with good deformation ability at room temperature. The former promotes dislocation nucleation and transmission, and the latter generates stacking faults by partial dislocation movement. This strategy provides a new route to design promising high-temperature structural materials by combining the advantages of eutectic alloy, carbide strengthening, and refractory alloys utilizing the high entropy concept. |
| format | Article |
| id | doaj-art-93309d2334a64e98bd0407fe9fa5a62a |
| institution | OA Journals |
| issn | 2238-7854 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-93309d2334a64e98bd0407fe9fa5a62a2025-08-20T02:35:26ZengElsevierJournal of Materials Research and Technology2238-78542024-11-01339507951810.1016/j.jmrt.2024.11.245Promoted room-temperature deformability and high-temperature strength synergy through zig-zag faceted interface design in TiNbTaWC0.7 eutectic refractory high-entropy alloyYusheng Tian0Beiya Wang1Dongyu Wei2Decheng Kong3Rui Wang4Guoliang Zhu5Baode Sun6Shanghai Key Lab of Advanced High-temperature Materials and Precision Forming and State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaShanghai Key Lab of Advanced High-temperature Materials and Precision Forming and State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaShanghai Key Lab of Advanced High-temperature Materials and Precision Forming and State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaShanghai Key Lab of Advanced High-temperature Materials and Precision Forming and State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaShanghai Key Lab of Advanced High-temperature Materials and Precision Forming and State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaCorresponding author.; Shanghai Key Lab of Advanced High-temperature Materials and Precision Forming and State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaShanghai Key Lab of Advanced High-temperature Materials and Precision Forming and State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, ChinaWith the development of aerospace technologies, there is an urgent demand for materials with better high-temperature performance. Despite the bottleneck of combining high-temperature strength and room-temperature deformability, refractory high-entropy alloys are potential candidates. Here, we report a novel alloy, TiNbTaWC0.7, with a good strength-ductility synergy by introducing the eutectic carbide phase. The alloy is composed of alternated BCC matrix phase and FCC carbide phase, forming a fully eutectic microstructure. With the introduction of the eutectic carbides, the alloy is robust at 1200 °C. The faceted phase interface together with the compositional complex carbides provides the alloy with good deformation ability at room temperature. The former promotes dislocation nucleation and transmission, and the latter generates stacking faults by partial dislocation movement. This strategy provides a new route to design promising high-temperature structural materials by combining the advantages of eutectic alloy, carbide strengthening, and refractory alloys utilizing the high entropy concept.http://www.sciencedirect.com/science/article/pii/S223878542402773XEutectic alloyRefractory high-entropy alloyMicrostructureMechanical property |
| spellingShingle | Yusheng Tian Beiya Wang Dongyu Wei Decheng Kong Rui Wang Guoliang Zhu Baode Sun Promoted room-temperature deformability and high-temperature strength synergy through zig-zag faceted interface design in TiNbTaWC0.7 eutectic refractory high-entropy alloy Journal of Materials Research and Technology Eutectic alloy Refractory high-entropy alloy Microstructure Mechanical property |
| title | Promoted room-temperature deformability and high-temperature strength synergy through zig-zag faceted interface design in TiNbTaWC0.7 eutectic refractory high-entropy alloy |
| title_full | Promoted room-temperature deformability and high-temperature strength synergy through zig-zag faceted interface design in TiNbTaWC0.7 eutectic refractory high-entropy alloy |
| title_fullStr | Promoted room-temperature deformability and high-temperature strength synergy through zig-zag faceted interface design in TiNbTaWC0.7 eutectic refractory high-entropy alloy |
| title_full_unstemmed | Promoted room-temperature deformability and high-temperature strength synergy through zig-zag faceted interface design in TiNbTaWC0.7 eutectic refractory high-entropy alloy |
| title_short | Promoted room-temperature deformability and high-temperature strength synergy through zig-zag faceted interface design in TiNbTaWC0.7 eutectic refractory high-entropy alloy |
| title_sort | promoted room temperature deformability and high temperature strength synergy through zig zag faceted interface design in tinbtawc0 7 eutectic refractory high entropy alloy |
| topic | Eutectic alloy Refractory high-entropy alloy Microstructure Mechanical property |
| url | http://www.sciencedirect.com/science/article/pii/S223878542402773X |
| work_keys_str_mv | AT yushengtian promotedroomtemperaturedeformabilityandhightemperaturestrengthsynergythroughzigzagfacetedinterfacedesignintinbtawc07eutecticrefractoryhighentropyalloy AT beiyawang promotedroomtemperaturedeformabilityandhightemperaturestrengthsynergythroughzigzagfacetedinterfacedesignintinbtawc07eutecticrefractoryhighentropyalloy AT dongyuwei promotedroomtemperaturedeformabilityandhightemperaturestrengthsynergythroughzigzagfacetedinterfacedesignintinbtawc07eutecticrefractoryhighentropyalloy AT dechengkong promotedroomtemperaturedeformabilityandhightemperaturestrengthsynergythroughzigzagfacetedinterfacedesignintinbtawc07eutecticrefractoryhighentropyalloy AT ruiwang promotedroomtemperaturedeformabilityandhightemperaturestrengthsynergythroughzigzagfacetedinterfacedesignintinbtawc07eutecticrefractoryhighentropyalloy AT guoliangzhu promotedroomtemperaturedeformabilityandhightemperaturestrengthsynergythroughzigzagfacetedinterfacedesignintinbtawc07eutecticrefractoryhighentropyalloy AT baodesun promotedroomtemperaturedeformabilityandhightemperaturestrengthsynergythroughzigzagfacetedinterfacedesignintinbtawc07eutecticrefractoryhighentropyalloy |