| Microstructural evolution and energetic characteristics of TiZrHfTa0.7W0.3 high-entropy alloy under high strain rates and its application in high-velocity penetration | |
Tang WQ(唐伟奇); Zhang K(张坤) ; Chen TY(陈天宇); Wang Q(汪球); Wei BC(魏炳忱)
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| Source Publication | JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
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| 2023-01 | |
| Volume | 132Pages:144-153 |
| ISSN | 1005-0302 |
| Abstract | Energetic structural materials (ESMs) integrated a high energy density and rapid energy release with the ability to serve as structural materials. Here, a novel triple-phase TiZrHfTa0.7W0.3 high-entropy alloy (HEA) was fabricated and investigated as a potential ESM. A hierarchical microstructure was obtained with a main metastable body-centered-cubic (BCC) matrix with distributed Ta-W-rich BCC precipitates of various sizes and interwoven hexagonal close-packed (HCP) lamellar nano-plates. The compressive mechanical properties were tested across a range of strain rates and demonstrated a brittle-to-ductile transition as the strain rate increased while maintaining a high ultimate strength of approximately 2.5 GPa. This was due to the phase transformation from metastable matrix BCC to HCP structures. In addition, during the dynamic deformation, metal combustion originating from the failure surface was observed. Furthermore, the composition of the fragments was studied, and the results indicated that the addition of tungsten promoted combustion. Finally, the potential application of this HEA was evaluated by high-velocity penetration tests, and the results were compared to other typical structural materials for penetrators and bullets. A comparison was conducted by assessing the geometries of the penetration channel employing two dimensionless parameters normalized by the projectile size, representing longitudinal and lateral damage, respectively. The normalized depth of the TiZrHfTa0.7W0.3 HEA projectile was comparable to those of the other investigated materials, but the normalized diameter was the largest, showing an excellent ability to deliver lateral damage. (C) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology. |
| Keyword | Energetic structural materials High-entropy alloys Phase transformation Ballistic tests |
| DOI | 10.1016/j.jmst.2022.05.043 |
| Indexed By | SCI ; EI |
| Language | 英语 |
| WOS ID | WOS:000826757600008 |
| WOS Research Area | Materials Science ; Metallurgy & Metallurgical Engineering |
| WOS Subject | Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering |
| Funding Organization | National Natural Science Foundation of China [51401028, 51271193, 11790292] ; Strategic Priority Research Program of the Chinese Academy of Sciences [XDB22040303] ; Innovation Program [237099000000170004] |
| Classification | 一类 |
| Ranking | 1 |
| Contributor | Zhang, K ; Wei, BC (corresponding author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China. |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/92659 |
| Collection | 微重力重点实验室 高温气体动力学国家重点实验室 |
| Affiliation | 1.{Tang Weiqi, Zhang Kun, Chen Tianyu, Wei Bingchen} Chinese Acad Sci Inst Mech Key Lab Micrograv Natl Micrograv Lab Beijing 100190 Peoples R China 2.{Tang Weiqi, Zhang Kun, Chen Tianyu, Wang Qiu, Wei Bingchen} Univ Chinese Acad Sci Sch Engn Sci Beijing 100049 Peoples R China 3.{Wang Qiu} Chinese Acad Sci Inst Mech State Key Lab High Temp Gas Dynam Beijing 100190 Peoples R China |
| Recommended Citation GB/T 7714 | Tang WQ,Zhang K,Chen TY,et al. Microstructural evolution and energetic characteristics of TiZrHfTa0.7W0.3 high-entropy alloy under high strain rates and its application in high-velocity penetration[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2023,132:144-153.Rp_Au:Zhang, K, Wei, BC (corresponding author), Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China. |
| APA | 唐伟奇,张坤,陈天宇,汪球,&魏炳忱.(2023).Microstructural evolution and energetic characteristics of TiZrHfTa0.7W0.3 high-entropy alloy under high strain rates and its application in high-velocity penetration.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,132,144-153. |
| MLA | 唐伟奇,et al."Microstructural evolution and energetic characteristics of TiZrHfTa0.7W0.3 high-entropy alloy under high strain rates and its application in high-velocity penetration".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 132(2023):144-153. |
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| Jp2023Fa183.pdf（4550KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-SA | View Download | |
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