Mea silica graphite hou, paʻa, pale wai a ʻaʻahu hoʻi

Wehewehe Pōkole:

He ʻoihana ʻenehana kiʻekiʻe ʻo Ningbo VET Energy Technology Co., Ltd. i hoʻokumu ʻia ma Kina. He mea hana ʻoihana mākou a me ka mea hoʻolako i nā huahana Graphite silicide.


Nā kikoʻī huahana

Nā Lepili Huahana

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 ke kalapona i hoʻohuihui ʻia me ka silicon (1)

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.

图片1

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
Nā palena nui o ka graphite Siliconized

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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