Silicon Carbide (SiC)
Knowledge of Silicon Carbide (SiC) (Feature, Property, Uses etc)
高温下で強い、耐熱衝撃・耐摩耗性に優れたセラミックス
- 名称炭化ケイ素 （炭化珪素）
- 英名Silicon Carbide （シリコンカーバイド）
- 化学式SiC
- 備考黒色～緑色。
炭化ケイ素（SiC）セラミックスの物性値
| 単位 | 物性値 | |
|---|---|---|
一般物性 |
||
| かさ比重 | g/cm3 | 3.15 - 3.20 |
機械的性質 |
||
| 曲げ強さ | MPa | 490 |
| 圧縮強さ | MPa | 2500 |
| ヤング率 | MPa | |
| ビッカーズ硬度 | HV | 2200 - 2400 |
電気的性質 |
||
| 体積抵抗率 | Ω・cm | 105-8 |
| 絶縁破壊電圧 | kV/mm | |
| 誘電率 | ε(1MHz) | |
熱的性質 |
||
| 最高使用温度 | ℃ | 1600 |
| 熱膨張係数 | ×10-6/℃ | 4.0 |
| 熱伝導率 | W/m•k | 55 - 130 |
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