ZrO₂+HfO₂ | >94% |
SiO₂ | < 0.015% |
Fe₂O₃ | < 0.002% |
Na₂O | < 0.005% |
TiO₂ | <0.002% |
Y₂O₃ | 5.56% |
D50 | 64.67 μm |
主要成分 | Composition | W t% | ZrO₂+Y₂O₃≥99.5% |
密度 | Specific Density | g/cm3 | >6.05 |
硬度 | Hardness(HV) | Gpa | >12.0 |
热膨胀系数 | Coefficient of thermal expansion | (10-6/K) | 9.6(20-400°C) |
抗弯强度 | Bending Strength | Mpa | >1150 |
弹性模量 | Elastic Modulus | Gpa | 205 |
晶粒大小 | Grain Size | μm | <0.5 |
热导率 | Thermal Conductivity | W/(m-k) | 2.5 |
断裂韧性 | Fracture Toughness | Mpa m1/2 | 7-10 |
产品型号 | OZ-3Y | OZ-3YG | OZ-3YB | OZ-3YBG | OZ-3YW | OZ-4Y | OZ-8Y |
Zr(Hf)O2(wt%)≥ | 94 | 94 | 89.5 | 89.5 | 94 | 92 | 86 |
Y2O3(wt%) | 5.25±0.25 | 5.25±0.25 | 4.95±0.25 | 4.95±0.25 | 5.25±0.25 | 7.2±0.25 | 13.5±0.25 |
Al2O3(wt%) | 0.23±0.02 | 0.23±0.02 | 0.23±0.02 | 0.23±0.02 | —— | —— | —— |
SiO2(wt%)≤ | 0.0200 | 0.0200 | 0.0200 | 0.0200 | 0.0200 | 0.0200 | 0.0200 |
Fe2O3(wt%)≤ | 0.0030 | 0.0050 | —— | —— | 0.0030 | 0.0030 | 0.0030 |
TiO2(wt%)≤ | 0.0020 | 0.0020 | 0.0010 | 0.0020 | 0.0020 | 0.0020 | 0.0020 |
Na2O(wt%)≤ | 0.0050 | —— | 0.0100 | 0.0200 | 0.0500 | 0.0500 | 0.0500 |
lg.Loss(wt%)≤ | 1.0 | 5.0 | 1.0 | 5.0 | 1.0 | 1.0 | 1.0 |
ρ粒(g/cm)3 | —— | 1.15-1.45 | —— | 1.15-1.45 | —— | —— | —— |
BET(m2/g) | 6~9,11~15 | 6~9,11~15 | 11~15 | ≤15 | 6~9,11~15 | —— | —— |
D50(μm)≤ | 1 | 1.4 | 1 | 1.4 | 1 | 1 | 1 |