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首页> 外文期刊>IEEE Transactions on Magnetics >Mossbauer studies of nanocrystalline Fe/sub 83/B/sub 9/Nb/sub 7/Cu/sub 1/ alloy by flash annealing
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Mossbauer studies of nanocrystalline Fe/sub 83/B/sub 9/Nb/sub 7/Cu/sub 1/ alloy by flash annealing

机译:通过快速退火对纳米晶Fe / sub 83 / B / sub 9 / Nb / sub 7 / Cu / sub 1 /合金进行Mossbauer研究

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摘要

Melt-spun Fe/sub 83/B/sub 9/Nb/sub 7/Cu/sub 1/ alloy with ultrathin ribbon has been studied with Mossbauer spectroscopy and X-ray diffraction. The enhanced magnetic property of the flash-annealed alloy was attributed to the reduced /spl alpha/-Fe phase grain size to 6 nm and the higher effective permeability and smaller magnetic core loss at 1 MHz than conventional annealed alloys. The occupied area of the nanocrystalline phase at the optimum 773 K is about 73% whereas that for conventional annealing temperature at 893 K is about 71%. The flash annealing technique was effective in improving the high-frequency soft magnetic property of nanocrystalline Fe/sub 83/B/sub 9/Nb/sub 7/Cu/sub 1/ alloy.
机译:利用Mossbauer光谱学和X射线衍射技术研究了具有超薄薄带的熔纺Fe / sub 83 / B / sub 9 / Nb / sub 7 / Cu / sub 1 /合金。与常规退火合金相比,快速退火合金的增强磁性能归因于/ splα/ -Fe相晶粒尺寸减小到6 nm,并且在1 MHz时具有更高的有效磁导率和较小的磁芯损耗。在最佳773 K下,纳米晶相的占据面积约为73%,而在常规退火温度下,893 K下约为71%。快速退火技术有效地改善了纳米晶Fe / sub 83 / B / sub 9 / Nb / sub 7 / Cu / sub 1 /合金的高频软磁性能。

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