一般材料的热膨胀系数

可 伐合金 • Calculate thermal expansion Thermal expansion coefficients for some common materials are indicated in the table below: Product Linear Temperature Expansion Coefficient - α- (10-6 m/m K) *) (10-6 in/in oF) *) Product Linear Temperature Expansion Coefficient - α- (10-6 m/m K) *) (10-6 in/in oF) *) ABS (Acrylonitrile butadiene styrene) thermoplastic 73.8 41 ABS -glass fiber-reinforced 30.4 17 Acetal 106.5 59.2 Acetal - glass fiber-reinforced 39.4 22 Acrylic, sheet, cast 81 45 Acrylic, extruded 234 130 Alumina 5.4 3.0 Aluminum 22.2 12.3 Antimony 10.4 5.8 Arsenic 4.7 2.6 Barium 20.6 11.4 Barium ferrite 10 5.6 Benzocyclobutene 42 23.3 Beryllium 11.5 6.4 Bismuth 13 7.3 Brass 18.7 10.4 Product Linear Temperature Expansion Coefficient - α- (10-6 m/m K) *) (10-6 in/in oF) *) Brick masonry 5.5 3.1 Bronze 18.0 10.0 Cadmium 30 16.8 Calcium 22.3 12.4 Cast Iron Gray 10.8 6.0 Cellulose acetate (CA) 130 72.2 Cellulose acetate butynate (CAB) 96 - 171 80 - 95 Cellulose nitrate (CN) 100 55.6 Cement 10.0 6.0 Cerium 5.2 2.9 Chlorinated polyvinylchloride (CPVC) 66.6 37 Chromium 6.2 3.4 Clay tile structure 5.9 3.3 Cobalt 12 6.7 Concrete 14.5 8.0 Concrete structure 9.8 5.5 Product Linear Temperature Expansion Coefficient - α- (10-6 m/m K) *) (10-6 in/in oF) *) Constantan 18.8 10.4 Copper 16.6 9.3 Copper, Beryllium 25 17.8 9.9 Corundum, sintered 6.5 3.6 Cupronickel 30% 16.2 9 Diamond (Carbon) 1.18 0.66 Duralumin 23 12.8 Dysprosium 9.9 5.5 Ebonite 76.6 42.8 Epoxy, castings resins & compounds, unfilled 55 31 Erbium 12.2 6.8 Ethylene ethyl acrylate (EEA) 205 113.9 Ethylene vinyl acetate (EVA) 180 100 Europium 35 19.4 Fluoroethylene propylene (FEP) 135 75 Gadolinium 9 5 Product Linear Temperature Expansio...