Stage impeller

SOURCE：admin Author：admin DATE：2022-10-28 CLICKS：403

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Unlike other ceramic materials,ziconia is a material with very high resistance to crack

propagation.And its fine grain size enables excellent surface finishes and the ability to hold a sharp edge.Zirconium oxide ceramics also have very high thermal expansion and are therefore often the material of choice for joining ceramic and steel

Components made from this material are more expensive than components made of alumina

ceramics.Zirconium oxide ceramics are used omong other applicationsas tools for wire forming,as auxiliaries in welding processes,as materials for crowns and bridges in the dentalindustry,as insulating rings in thermal processes,and as oxygen measurement cells in lambda probes.

名称 Naterial	单位(计量) Unit	氧化锆瓷 Zr02	增韧陶瓷 ZTA
密度 Density	g/cm³	6.0	3.93
抗弯强度 Flexural Strength	Mpa	1300	480
抗压强度 Compressive Strength	Mpa	3000	3300
弹性模量 Modulus of Elasticity	Gpa	205	320
抗冲击强度 Impact Resistance	MPam1/2	12	7
维泊尔系数 Weibull Modulus	M	25	15
维氏硬度 Vickers Hardulus	HV0.5	1150	1600
热膨胀系数 Thermal Expansion Coefficient	10-6K-1	10	9
导热系数 Thermal Conductivity	W/Mk	2	20
热震稳定性 Thermal Shock Resistance	ΔT℃	280	260
最高使用温度 Maximum Use Temperature	℃	1000	1600
20℃体积电阻 Volume Resistivity at 20℃	Ω	≥1010	≥1012

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Stage impeller