Effects of ZrO2 ceramics doped with varying content on the mechanical properties and energy release characteristics of W-Zr alloys

IF 17.7 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-07-12 DOI:10.1088/2053-1591/ad62c1

Yuanhang Fang, Tingbian Zhan, Xiaojun Li, Changyou Xie, Xinggao Zhang, Weizhan Wang, Xiansong Jiang

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Abstract

A W-Zr alloy doped with ceramic powder W54.5Zr35-xNi6.7Fe3.3Mo0.5 (ZrO2) x was prepared by powder metallurgy. The effects of the ceramic content on the dynamic and static compressive mechanical behavior and energy release properties of the alloy were studied. The results showed that the addition of ceramics enhanced the energy release characteristics of the W-Zr alloy, and made the alloy break more thoroughly and the fragment cloud distribute evenly. The reaction delay time was shorter and the energy release reaction was more complete. However, the maximum temperature of the alloy reaction decreased. In addition, the addition of ceramics improves the mechanical properties of the material, and its compressive strength is much higher than that of traditional W-Zr alloys.(ZrO2)1 exhibited good mechanical behavior and energy release characteristics. The aftereffect damage performance was further verified using a ballistic gun experiment. Ballistic gun test results showed that (ZrO2) 1 can penetrate A92124 aluminum targets with a thickness of 2 mm at a speed of 809.3 m/s and ignite post-target absorbent cotton, with both penetration and post-target damage capabilities.

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掺杂不同含量的 ZrO2 陶瓷对 W-Zr 合金机械性能和能量释放特性的影响

通过粉末冶金法制备了掺杂陶瓷粉 W54.5Zr35-xNi6.7Fe3.3Mo0.5 (ZrO2) x 的 W-Zr 合金。研究了陶瓷含量对合金动、静态压缩机械性能和能量释放性能的影响。结果表明，陶瓷的加入增强了 W-Zr 合金的能量释放特性，使合金断裂更彻底，碎片云均匀分布。反应延迟时间更短，能量释放反应更完全。但是，合金反应的最高温度降低了。此外，陶瓷的加入改善了材料的力学性能，其抗压强度远高于传统的 W-Zr 合金。后效破坏性能通过弹道枪实验得到了进一步验证。弹道枪试验结果表明，(ZrO2)1 能以 809.3 米/秒的速度穿透厚度为 2 毫米的 A92124 铝靶，并点燃靶后的吸水棉，同时具有穿透和靶后破坏能力。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.

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