電子燒結(jié)石墨模具
電子燒結(jié)模具用石墨，由于石墨模具具有以下特點(diǎn)：
1.優(yōu)良的導(dǎo)熱及導(dǎo)電性能
2.線膨脹系數(shù)低等很好的熱穩(wěn)定性能及抗加熱沖擊性
3.耐化學(xué)腐蝕與多數(shù)金屬不易發(fā)生反應(yīng)
4.在高溫下（在多數(shù)銅基胎體燒結(jié)溫度800℃以上）強(qiáng)度隨溫度升高而增大
5.具有良好的潤(rùn)滑和抗磨性
6.易于加工，機(jī)械加工性能好，可以制作成形狀復(fù)雜、精度高的模具
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