高純石墨型號規(guī)格及理化指標(biāo)
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體積密度 |
肖氏 |
電阻率 |
抗彎強(qiáng)度 |
抗壓強(qiáng)度 |
平均氣孔 |
熱膨脹系 |
灰份 |
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(g/cm3) |
硬度 |
(Ωmm2/m) |
(MPa) |
(MPa) |
半徑(Um) |
數(shù)(10-6/K) |
(%) |
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XT-15 |
1.8 |
48 |
10 |
37 |
78 |
3.2 |
4.8 |
0.1 |
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XT-17 |
1.9 |
50 |
9.5 |
42 |
86 |
2.4 |
4.4 |
0.1 |
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（二）特種石墨材料的特性： |
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（1）機(jī)械強(qiáng)度好 |
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（2）滑動性能好 |
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（3）耐高溫 |
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（4）耐熱沖擊性能好 |
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（5）潤濕性低 |
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（6）抗腐蝕性強(qiáng) |
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（7）導(dǎo)熱率高 |
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（8）純度高 |
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（9）導(dǎo)電性好 |
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（10）抗氧化 |
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