請問高速鋼及碳化鎢的熱傳導係數是多少呢 ?
請各位告訴我一下...謝謝!!
2006-05-15 15:10:40 · 1 個解答 · 發問者 古古 5 in 科學 ➔ 其他：科學
高速鋼 19 ~ 48 W/m KPropertiesCarbon SteelsAlloy SteelsStainless SteelsTool SteelsDensity (1000 kg/m3)7.857.857.75-8.17.72-8.0Elastic Modulus (GPa)190-210190-210190-210190-210Poisson's Ratio0.27-0.30.27-0.30.27-0.30.27-0.3Thermal Expansion (10-6/K)11-16.69.0-159.0-20.79.4-15.1Melting Point (蚓) 1371-1454 Thermal Conductivity (W/m-K)24.3-65.226-48.611.2-36.719.9-48.3Specific Heat (J/kg-K)450-2081452-1499420-500 Electrical Resistivity (10-9W-m)130-1250210-125175.7-1020 Tensile Strength (MPa)276-1882758-1882515-827640-2000Yield Strength (MPa)186-758366-1793207-552380-440Percent Elongation (%)10-324-3112-405-25Hardness (Brinell 3000kg)86-388149-627137-595210-620碳化鎢 84 W/m Khttp://www.memsnet.org/material/tungstencarbidewcbulk/
2006-05-20 17:53:18 · answer #1 · answered by emcsolution 7 · 0⤊ 0⤋