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热电池阳极材料li--b合金的力学性能

Keywords: 无机非金属材料,热电池,阳极材料,li--b合金,强度

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Abstract:

?考察试验条件对li--b合金拉伸强度的影响,研究了li--b合金锭内部的均匀性。结果表明,拉伸方向、试验温度和试样轧制厚度对合金的拉伸强度有显著的影响,强度的最大变化率可达36%;轧制后合金中lib化合物纤维的织构对强度有显著的影响,合金21℃时的平均拉伸强度为24.5mpa。合金锭心部的强度比边缘的高,下部的比上部的高;而边缘的密度大于中心的,底部的大于上部的;出现这些结果的原因是,在合金的制备过程中重力和离心力的共同作用使b粉的粗、细颗粒分布不均匀。

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