ʻO ka graphite Siliconized kahi mea i hui pū ʻia kahi i hoʻopili ʻia ai ka silicon carbide i ka ʻili o kahi substrate graphite. Loaʻa iā ia nā ʻano o ka paʻakikī kiʻekiʻe, ka ikaika mechanical kiʻekiʻe a me ke kūpaʻa ʻana o ka silicon carbide, a me nā waiwai lubricating ponoʻī a me ke kūpaʻa haʻalulu wela o ka graphite. He mea hoʻopili kūpono ia a me nā mea sila mechanical, kūpono no ka sila mechanical o nā pamu wai like ʻole, nā pamu aila, nā pamu kemika, a me nā bearings o nā pamu nui wikiwiki a me nā ukana kiʻekiʻe. Eia kekahi, loaʻa i ka graphite siliconized ke kūpaʻa oxidation maikaʻi, ke kūpaʻa haʻalulu wela, ka porosity haʻahaʻa, a me kekahi conductivity uila, a hiki ke hoʻohana ʻia e like me nā mea e like me nā ipu hoʻoheheʻe metala a me nā paipu draft.
ʻO ka haku mele ʻana o ka siliconizedHe ʻano like ke graphite, kūlike ka ʻili me loko, a hiki ke hoʻololi ʻia ka lakio haku mele o ka silicon carbide a me ka graphite. ʻO ke kiʻekiʻe o ka nui o ka silicon carbide, ʻoi aku ka nui o ka nui o ka mea, ʻoi aku ka kiʻekiʻe o ka ikaika compressive, a piʻi ka resistivity.
Kiʻi metallographic o ka siliconizedgrafiti
(ʻo ka ʻāpana ʻeleʻele he graphite, ʻo ka ʻāpana hina he silicon carbide, a ʻo ka ʻāpana keʻokeʻo he silicon)
| 硅化石墨主要技术指标 | |
| 类别 Mea | 指标 Waiwai |
| 密度 Ka nui o ka paʻa | 2.4-2.9g/cm³ |
| 孔隙率 Ka porosity | <0.5% |
| 抗压强度Ikaika hoʻopaʻa | >400MPa |
| 抗折强度 Ikaika kūlou Ikaika kūlou | >120MPa |
| 热导率 Ka hoʻokele wela | 120W/mK |
| 热膨胀系数Ka helu hoʻonui wela | 4.5×10-6 |
| 弹性模量Modulus elastic | 120GPa |
| 冲击强度Ikaika hopena | 1.9KJ/m² |
| 水润滑摩擦系数 wai lubricated friction | 0.005 |
| 干摩擦系数Ka helu kuʻi maloʻo | 0.05 |
| 化学稳定性 Paʻa kemika | 各种盐,有机溶剂,强酸(HF,HCl,H₂SO4,HNO₃) Nā paʻakai like ʻole, nā mea hoʻoheheʻe organik, nā waikawa ikaika (HF, HCl, H₂SO4,HNO₃) |
| 长期稳定使用温度 Mahana hoʻohana paʻa no ka wā lōʻihi | 800℃(氧化气氛), 2300℃(惰性或真空气氛) 800 ℃ (lewa hoʻoheheʻe ʻia), 2300 ℃ (lewa inert a vacuum paha) |
| 电阻率 Ke kū'ē uila | 120×10-6Ωm |
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