Resistance to H+ induced irradiation damage in metallic glass Fe80Si7.43B12.57
Resistance to H+ induced irradiation damage in metallic glass Fe80Si7.43B12.57
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金属玻璃 Fe80Si7.43B12.57 的抗 H 诱导辐照损伤性能
DOI：
10.1016/j.jnucmat.2014.09.044
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发表时间：
2015
影响因子：
3.1
通讯作者：
Younian Wang
中科院分区：
文献类型：
--
作者：
Hongran Zhang;Xianxiu Mei;Yingmin Wang;Zhiguang Wang;Younian Wang
本文利用能量为250 keV的H+离子辐照金属玻璃fe80si7.43 b12.57和多晶W，辐照量分别为1 × 1017、2 × 1017、5 × 1017和1 × 1018离子/cm2。fe80si7.43 b12.57在不同影响下主要保持非晶态，表面未出现明显的辐照损伤现象。辐照后Rms粗糙度增大。截面透射电镜分析表明，辐照后不同区域表面均呈无定形，沿深度方向成分分布无明显变化。fe80si7.43 b12.57的饱和磁化强度仅在最大通量时略有下降，但仍保持良好的软磁性能。对于W， rms粗糙度随影响力的增加而增加。当浓度达到1 × 1018个离子/cm2时，表面出现起泡损伤，气泡帽厚度近似等于离子范围。当温度低于Fe80Si7.43B12.57的玻璃化转变温度时，金属玻璃Fe80Si7.43B12.57的耐H+辐照性能优于多晶W。
This paper used H+ion with the energy of 250 keV for irradiating metallic glass Fe80Si7.43B12.57and polycrystalline W at fluences of 1 × 1017, 2 × 1017, 5 × 1017and 1 × 1018ions/cm2. Fe80Si7.43B12.57mainly remained amorphous at different fluences, without obvious irradiation-induced damage phenomenon on the surface. Rms roughness after irradiation increased. Cross-sectional TEM analysis proved that different areas away from the surface were amorphous after irradiation and without significant changes in component distribution along the depth direction. The saturation magnetization of Fe80Si7.43B12.57decreased slightly only at the maximum fluence, but still remained good soft magnetic properties. For W, rms roughness increased with the increase of fluence. When the fluence reached 1 × 1018ions/cm2, blistering damage appeared on the surface, and the thickness of bubble cap was approximately equal to the ion range. At temperatures below the glass transition temperature of Fe80Si7.43B12.57, the H+irradiation-resistant properties of metallic glass Fe80Si7.43B12.57were superior to those of polycrystalline W.
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通讯作者：
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影响因子：
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