研究了含SiC晶须的Si3N4混合粉料的挤制成型过程.从挤制腔内泥料的受力分析出发,探讨了挤制成型过程中晶须定向排布的原理,并着重研究了挤制压力、挤制速率、泥料含水率和挤出口的尺寸对晶须定向度的影响.
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