作者： 超級管理員 時間：2022-10-05 16:24:39 閱讀：1437
熱等靜壓氮化硅和氣壓/冷等靜壓燒結(jié)氮化硅性能比較
HIP Silicon Nitride VS GPS Silicon Nitride
基本數(shù)據(jù)Basic Data | 氣壓燒結(jié)GPS | 熱等靜壓HIP | |||
密度Density | g/cm3 | 3.22~3.26 | 3.24~3.26 | ||
吸水率Water Absorption | % | 0 | 0 | ||
力學(xué)性能 Mechanical Characteristics | 維氏硬度Vickers Hardness (Load 5KG) | Gpa | 14.5 | 15 | |
抗彎強度Flexural Strength | Mpa | 700 | 1000 | ||
抗壓強度Compressive Strength | Mpa | 3200 | 3900 | ||
楊氏模量Young’s Modulus of Elasticity | Gpa | 310 | 310 | ||
泊松比Poisson’s Ratio | - | 0.28 | 0.28 | ||
斷裂韌性Fracture Toughness | Mpa·m1/2 | 6-7 | 7 | ||
熱學(xué)性能 Thermal Characteristics | 熱膨脹系數(shù) Coefficient of Thermal Expansion | 40-400 | *10-6/°C | 3.2~3.4 | 3.5 |
熱導(dǎo)率Thermal Conductivity | 20 °C | W(m·K) | 18~22 | 23 | |
電學(xué)性能 Electrical Characteristics | Volume Resistivity | 20 °C | Ω·cm | ≥1014 | ≥1014 |
Dielectric Constant (1MHz) | - | - | - | ||
熱等靜壓HIP=Hot Isostatic Pressed
氣壓燒結(jié)+冷等靜壓GPS=Gas Press Sintered(Cold Isostatic)
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