常见高分子热膨胀系数CTE

1、Coefficient of thermal expansion (CTE)ProductLinear Temperature Expansion Coefficient-a -(10-6 m/m K)(10-6 in/in oF)ABS (Acrylonitrile butadiene styrene) thermoplastic73.841ABS -glass fiber-reinforced30.417Acetal106.559.2Acetal - glassfiber-reinforced39.422Acrylic, sheet, cast8145Acrylic, extruded23

2、4130Alumina5.43.0Aluminum22.212.3Antimony10.45.8Arsenic4.72.6Barium20.611.4Beryllium11.56.4Bismuth137.3Brass18.710.4Brick masonry5.53.1Bronze18.010.0Cadmium3016.8Calcium22.312.4Carbon - diamond1.20.67Cast Iron Gray10.86.0Cellulose acetate(CA)13072.2Cellulose acetatebutynate (CAB)80 - 95Cellulose nit

3、rate(CN)10055.6Cement10.06.0Cerium5.22.9Chlorinated polyvinylchloride (CPVC)66.637Chromium6.23.4Clay tile structure5.93.3Cobalt126.7Concrete14.58.0Concretestructure9.85.5Constantan18.810.4Copper16.69.3Copper, Beryllium2517.89.9Corundum, sintered6.53.6Cupronickel 30%16.29Diamond1.10.6Dysprosium9.95.5

4、Ebonite76.642.8Epoxy, castings resins & compounds, unfilled5531Erbium12.26.8Ethylene ethylacrylate (EEA)205113.9Ethylene vinyl acetate (EVA)180100Europium3519.4Fluoroethylene propylene (FEP)13575Gadolinium95Germanium6.13.4Glass, hard5.93.3Glass, Pyrex4.02.2Glass, plate9.05.0Gold14.28.2Granite7.9

5、4.4Graphite, pure7.94.4Hafnium5.93.3Hard alloy K2063.3Hastelloy C11.36.3Holmium11.26.2Ice5128.3Inconel12.67.0Indium3318.3Invar1.50.8Iridium6.43.6Iron, pure12.06.7Iron, cast10.45.9Iron, forged11.36.3Lanthanum12.16.7Lead28.015.1Limestone84.4Lithium4625.6Lutetium9.95.5Magnesium2514Manganese2212.3Marble

6、5.5 - 14.13.1 - 7.9Masonry4.7 - 9.02.6 - 5.0Mica31.7Molybdenum52.8Monel13.57.5Mortar7.3 - 13.54.1-7.5Neodymium9.65.3Nickel13.07.2Niobium(Columbium)73.9Nylon, general purpose7240Nylon, Type 11, molding and extruding compound10055.6Nylon, Type 12, molding and extruding compound80.544.7Nylon, Type 6, c

7、ast8547.2Nylon, Type 6/6, 8044.4molding compoundOsmium52.8Palladium11.86.6Phenolic resinwithout fillers8044.4Plaster16.49.2Platinum9.05.0Plutonium5430.2Polyallomer91.550.8Polyamide (PA)11061.1Polybutylene (PB)72Polycarbonate (PC)70.239Polycarbonate - glass fiber-reinforced21.512Polyester123.569Polye

8、ster - glass fiber-reinforced2514Polyethylene (PE)200111Polyethylene (PE)60-High Molecular WeightPolyethylene terephthalate (PET)59.433Polyphenylene - glass fiber-reinforced35.820Polypropylene (PP), unfilled90.550.3Polypropylene - glass fiber-reinforced3218Polystyrene (PS)7038.9Polysulfone (PSO)55.8

9、31Polyurethane (PUR), rigid57.632Porcelain3.62.0Potassium8346.4Polyvinylchloride (PVC)50.428Polyvinylidene fluoride (PVDF)127.871Porcelain4.52.5Potassium8346.1Praseodymium6.73.7Promethium116.1Quartz0.77 - 1.40.43 - 0.79Rhenium6.73.7Rhodium84.5Rubber, hard7742.8Ruthenium9.15.1Samarium12.77.1Sandstone

10、11.66.5Scandium10.25.7Selenium3.82.1Silicon5.12.8Silver19.510.7Slate10.45.8Sodium7039.1Solder 50 - 5024.013.4Steatite8.54.7Steel13.07.3Steel StainlessAustenitic (304)17.39.6Steel StainlessAustenitic (310)14.48.0Steel StainlessAustenitic (316)16.08.9Steel StainlessFerritic (410)9.95.5Strontium22.512.

11、5Tantalum6.53.6Tellurium36.920.5Terbium10.35.7Terne11.66.5Thallium29.916.6Thorium126.7Thulium13.37.4Tin23.413.0Titanium8.64.8Tungsten4.32.4Uranium13.97.7Vanadium84.5Vinyl Ester16 - 228.7 - 12Wood, fir3.72.1Wood,oak parallel to grain4.92.7Wood, oak across to grain5.43.0Wood, pine52.8Ytterbium26.314.6Yttrium10.65.9Zinc29.716.5Zirconium5.73.2一些液ft的ft稹热膨胀彳系数丫物留丫 in 10 -3/K