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电子烧结石墨模具有哪些优点

发布时间:2021-07-01 18:35:03 浏览:91次

金刚石工具制造所用石墨模具材料,主要为超细颗粒结构、高纯度和高石墨化度的石墨材料,要求其平均粒径小于15μm,甚至10μm以下,中等气孔尺寸小于2μm。用此炭素原料做成的石墨模,气孔率小、结构致密、表面光洁度高、抗氧化性较强等优点,平均使用寿命可达30~40次。

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