化学式 |
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W |
代码 |
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主要材料 |
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Tungsten |
主要材料纯度 |
% |
99.9 |
主要辅材 |
-- |
-- |
主要辅材成分 |
-- |
-- |
颜色 |
-- |
red |
密度 |
g/cm³ |
2 |
吸水率 |
% |
-- |
外观表证 |
-- |
-- |
维氏硬度 |
GPa |
-- |
抗折强度 |
Mpa |
-- |
弯曲强度 |
Mpa |
-- |
弯曲强度 |
Mpa |
-- |
抗压强度 |
Mpa |
-- |
断裂韧性 |
MPa m½ |
-- |
杨氏模量 |
GPa |
403 |
泊松比 |
-- |
-- |
Abrasiveness Blast abrasion amount |
μm |
-- |
最高使用温度(氧化气氛) |
°C |
-- |
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 |
-- |
Thermal expansion coefficient RT~800°C |
*10^-6/°C |
-- |
热导率(室温) |
W/mK |
168 |
Thermal conductivity 400°C |
W/mK |
-- |
Thermal conductivity 800°C |
W/mK |
-- |
Specific heat RT |
J/kg.K |
-- |
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 |
-- |
Volume resistivity 500°C |
Ω.cm |
-- |
Dielectric loss 1MHz |
*10^-4 |
-- |
Dielectric loss 3GHz |
*10^-4 |
-- |
Dielectric constant 1MHz |
-- |
-- |
Dielectric constant 3GHz |
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Liquid hydrochloric acid |
Loss |
Slightly melts in 100°C diluted or concentrated hydrochloric acid |
Liquid hydrochloric acid (1) |
Loss |
no reaction |
Liquid sulfuric acid |
Loss |
Slightly melts in heated diluted sulfuric acid melts in concentrated sulfuric acid |
Liquid sulfuric acid (1) |
Loss |
no reaction in diluted sulfuric acid Melts slightly in concentrated sulfuric acid |
Liquid nitric acid |
Loss |
Slightly melts |
Liquid caustic soda (sodium hydroxide) |
Loss |
-- |
Liquid caustic soda (sodium hydroxide) (1) |
Loss |
Slightly melts in solution Rapid reaction for molten salt |
Gas air or oxygen |
Loss |
Slightly oxidizes (discoloration) In around 400°C starts to oxidizes |
Gas air or oxygen (1) |
Loss |
in above 700°C tungsten trioxide forms and suddenly oxidizes |
Gas vapor |
Loss |
promptly oxidizes in red heat state |
Gas nitrogen |
Loss |
In about 2300°C and above forms a nitride |
Gas carbon monoxide |
Loss |
In around 850°C and above embrittles In about 1000°C forms a |
Gas carbon dioxide |
Loss |
forms about 1200°C forms an oxide |
Gas hydrogen |
Loss |
no reaction |
Gas htdrofluoric acid |
Loss |
forms a fluoride in room temperature |
Gas chlorine |
Loss |
forms 250°C to 300°C forms a chlorine |
Gas bromine |
Loss |
forms a bromide in red heat state |
Gas iodine |
Loss |
forms a iodine in red heat state |
Gas ammonia |
Loss |
Does not react in room temperature |
Gas hydrogen sulfide |
Loss |
Surface reaction occurs while in red heat state |
Solid body sulfur |
Loss |
Slightly reacts in room temperature |
Solid body carbon graphite |
Loss |
from around 800°C starts to absorb and embrittles from 1400°C forms tungsten carbide |
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] |
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应用特性 |
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备注 |
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Features & applications (cn) |
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Remarks (cn) |
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