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Effect of Al content on properties of B4C-AlB12-Al composites
Author(s): 
Pages: 1594-1600
Year: Issue:  9
Journal: The Chinese Journal of Nonferrous Metals

Keyword:  B4CAlB12力学性能导电性能;
Abstract: 以B粉、Al粉和B4C粉为原料,采用粉末冶金法在1 200 ℃、高纯氩气保护条件下,烧结制备了B4C-AlB12-Al复合材料.利用XRD和SEM对其相组成和显微结构进行了表征,研究了初始原料中Al含量对材料中AlB12的晶形转变、力学性能和常温导电性能的影响.结果表明:烧结产物由B4C、AlB12、Al及Al3BC和少量Al2O3组成,随Al含量的增加,材料中AlB12的存在形式由α相向β相转变...
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