Boron Carbide

参数 单位
化学式 -- B4C
代码 -- C900
主要材料 -- Boron Carbide
主要材料纯度 % 98.5
主要辅材 -- -
主要辅材成分 -- -
颜色 -- Black
密度 g/cm³ 2.52
吸水率 % --
外观表证 -- Dense
维氏硬度 GPa 28
抗折强度 Mpa 450
弯曲强度 Mpa -
弯曲强度 Mpa -
抗压强度 Mpa 2000
断裂韧性 MPa m½ 4
杨氏模量 GPa 420
泊松比 -- 0.17
Abrasiveness Blast abrasion amount μm --
最高使用温度(氧化气氛) °C 2450
最高使用温度(保护气氛) °C --
Thermal expansion coefficient RT~200°C *10^-6/°C --
Thermal expansion coefficient RT~400°C *10^-6/°C --
Thermal expansion coefficient RT~600°C *10^-6/°C 2.3
Thermal expansion coefficient RT~800°C *10^-6/°C 4.5
热导率(室温) W/mK 43
Thermal conductivity 400°C W/mK -
Thermal conductivity 800°C W/mK -
Specific heat RT J/kg.K 960
Specific heat 400°C J/kg.K --
Specific heat 800°C J/kg.K --
Thermal Shock Resistance °C --
Dielectric strength kV/mm --
Volume resistivity 20°C Ω.cm 0.3
Volume resistivity 500°C Ω.cm --
Dielectric loss 1MHz *10^-4 --
Dielectric loss 3GHz *10^-4 --
Dielectric constant 1MHz -- --
Dielectric constant 3GHz -- --
Liquid hydrochloric acid Loss --
Liquid hydrochloric acid (1) Loss --
Liquid sulfuric acid Loss --
Liquid sulfuric acid (1) Loss --
Liquid nitric acid Loss --
Liquid caustic soda (sodium hydroxide) Loss --
Liquid caustic soda (sodium hydroxide) (1) Loss --
Gas air or oxygen Loss --
Gas air or oxygen (1) Loss --
Gas vapor Loss --
Gas nitrogen Loss --
Gas carbon monoxide Loss --
Gas carbon dioxide Loss --
Gas hydrogen Loss --
Gas htdrofluoric acid Loss --
Gas chlorine Loss --
Gas bromine Loss --
Gas iodine Loss --
Gas ammonia Loss --
Gas hydrogen sulfide Loss --
Solid body sulfur Loss --
Solid body carbon graphite Loss --
Permeability Km --
Susceptibility Xm --
20%盐酸(置入72小时) WT Loss [mg/cm²/day] --
盐酸 20% (置入24小时) WT Loss [mg/cm²/day] --
20%浓度硫酸(置入72小时) WT Loss [mg/cm²/day] --
20%浓度硫酸(置入24小时) WT Loss [mg/cm²/day] --
61%浓度硝酸(置入72小时) WT Loss [mg/cm²/day] --
61%浓度硝酸(置入24小时) WT Loss [mg/cm²/day] --
85%浓度磷酸(置入72小时) WT Loss [mg/cm²/day] --
85%浓度磷酸(置入24小时) WT Loss [mg/cm²/day] --
20%浓度烧碱(置入72小时) WT Loss [mg/cm²/day] --
20%浓度烧碱(置入24小时) WT Loss [mg/cm²/day] --
47%浓度氢氟酸(置入72小时) WT Loss [mg/cm²/day] --
应用特性 -- --
备注 -- --
Features & applications (cn) -- --
Remarks (cn) -- --