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单晶刚玉有什么特点_高性能_颗粒_硬度 - 搜狐
单晶刚玉是一种高性能的工业材料,具有以下显著特点: 一、物理性能优异: 硬度高:莫氏硬度仅次于金刚石,能够轻松切割和研磨各种硬质材料。 韧性大:在磨削过程中不易破碎,切削能力强且寿命长。 导热性好:在高温下导热率更高,热膨胀系数更低,能够在温度变化环境中保持稳定的尺寸 ...
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