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24.5 MPa.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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