Yakasimba, isingapindi mvura uye inopfeka inodzivirira, inovandudza silica graphite zvinhu

Yakasimba, isingapindi mvura uye isingapfeke, inogadziridza silica graphite zvinhu Featured Image

Tsanangudzo Pfupi

Ningbo VET Energy Technology Co., Ltd. ibhizimusi repamusoro-soro rakatangwa muChina.Isu tiri nyanzvi kugadzira uye mutengesi weGraphite silicide zvigadzirwa.

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Siliconized graphite chinhu chakaumbwa umo silicon carbide inosungirirwa pamusoro peiyo graphite substrate.Iyo ine hunhu hwekuomarara kwepamusoro, kusimba kwemagetsi uye kupfeka kuramba kwesilicon carbide, pamwe neiyo yega-yekuzora zvivakwa uye thermal shock resistance yegraphite.Icho chinhu chakanakira kukweshera uye michina yekusimbisa zvisimbiso, yakakodzera kuvharwa kwemakanika kwepombi dzemvura dzakasiyana, pombi dzemafuta, pombi dzemakemikari, uye mabhengi emhando dzakasiyana-siyana dzekumhanya uye dzakakwirira-mutoro.Pamusoro pezvo, siliconized graphite ine yakanaka oxidation kuramba, kupisa kutyisa kuramba, kuderera kweporosity, uye mamwe magetsi conductivity, uye inogona kushandiswa semidziyo yakaita sesimbi inonyungudutsa crucibles uye dhizaini machubhu.

Kuumbwa kwesiliconizedgraphite yunifomu, iyo yepamusoro inopindirana nemukati, uye chiyero chekuumbwa kwesilicon carbide uye graphite inogadziriswa.Iyo yakakwira zvirimo zvesilicon carbide, iyo yakakura kuwanda kwezvinhu, iyo inokwirisa iyo yekumanikidza simba, uye resistivity inowedzera.

Metallographic mufananidzo wesiliconizedgraphite

(chikamu dema igraphite, grey chikamu silicon carbide, uye chena chikamu silicon)

硅化石墨主要技术指标 Main parameters yeSiliconized graphite
类别 Item	指标 Value
密度 Density	2.4-2.9g/cm³
孔隙率 Porosity	<0.5%
抗压强度Kudzvinyirira simba	>400MPa
抗折强度 Flexural simba Flexural simba	>120MPa
热导率 Thermal conductivity	120W/mK
热膨胀系数Thermal kuwedzera coefficient	4.5 × 10^-6
弹性模量Elastic modulus	120GPa
冲击强度Impact simba	1.9KJ/m²
水润滑摩擦系数 Kukwesha kwemvura yerubricated	0.005
干摩擦系数Dry friction coefficient	0.05
化学稳定性 Kugadzikana kwemakemikari	各种盐，有机溶剂，强酸(HF,HCl,H₂SO₄,HNO₃) Yakasiyana-siyana munyu, organic solvents, yakasimba asidhi (HF,HCl,H₂SO₄,HNO₃)
长期稳定使用温度 Tembiricha yekushandisa yakagadzikana kwenguva refu	800℃(氧化气氛), 2300℃(惰性或真空气氛) 800 ℃ (oxidizing mamiriro), 2300 ℃ (inert kana vacuum mamiriro)
电阻率 Electrical resistivity	120 × 10^-6Ωm