A review on the anomalous exothermic behavior of bubbles in aluminum induced by electron irradiation

IF 6.6 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Materials Research and Technology-Jmr&t Pub Date : 2025-03-01 Epub Date: 2025-01-15 DOI:10.1016/j.jmrt.2025.01.100

Qicong Chen , Yupeng Yin , Wentuo Han , Xiaoou Yi , Pingping Liu , Qian Zhan , Somei Ohnuki , Farong Wan

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Abstract

Anomalous exothermic phenomenon (AEP) under bubble irradiation in solids has captured widespread interest in the energy field. AEP was discovered during the transmission electron microscope (TEM) observation of deuterium-implanted aluminum. Under the irradiation of TEM electron beam, deuterium (D) bubbles led to AEP, causing the surrounding single-crystal aluminum to instantaneously transform into polycrystalline. The released heat was estimated as about 160 MeV. AEP has been discovered in different gas bubbles such as hydrogen, helium, argon, and neon. The influencing factors of AEP can be summarized as the bubble morphology and pressure, gas type and density, electron beam energy, and irradiation time. The factor interrelationships and the AEP threshold are discussed. In conjunction with experimental phenomena and simulation, the mechanism of AEP is speculated to be the plasma formation within the gas bubble. The generation of this substantial energy only requires the irradiation of bubbles with a beam of energetic particle. Such convenient, efficient, and controllable energy source is attractive. AEP may provide a potent new energy form.

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电子辐照诱导铝中气泡异常放热行为的研究进展

固体气泡辐照下的异常放热现象引起了能源领域的广泛关注。在透射电镜（TEM）观察氘注入铝时发现了AEP。在TEM电子束的照射下，氘(D)气泡产生AEP，使周围的单晶铝瞬间转变为多晶。释放的热量估计约为160兆电子伏。在氢气、氦气、氩气和氖气等不同的气泡中都发现了AEP。影响AEP的因素主要有气泡形态和压力、气体类型和密度、电子束能量和辐照时间。讨论了各因子间的相互关系和AEP阈值。结合实验现象和模拟，推测AEP的机制可能是气泡内等离子体的形成。这种巨大能量的产生只需要用高能粒子束照射气泡。这种方便、高效、可控的能源是很有吸引力的。AEP可能提供一种强有力的新能源形式。

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来源期刊

Journal of Materials Research and Technology-Jmr&t Materials Science-Metals and Alloys

CiteScore

8.80

自引率

9.40%

发文量

1877

审稿时长

35 days

期刊介绍： The Journal of Materials Research and Technology is a publication of ABM - Brazilian Metallurgical, Materials and Mining Association - and publishes four issues per year also with a free version online (www.jmrt.com.br). The journal provides an international medium for the publication of theoretical and experimental studies related to Metallurgy, Materials and Minerals research and technology. Appropriate submissions to the Journal of Materials Research and Technology should include scientific and/or engineering factors which affect processes and products in the Metallurgy, Materials and Mining areas.