Fundamentals of Materials Science and Engineering: An Integrated Approach, 3e

GTBL042-App-B GTBL042-Callister-v3 September 21, 2007 20:24

Appendix B / Properties of Selected Engineering Materials • 803

Table B.1 (Continued)

Density

Material g/cm^3 lbm/in.^3

Super invar 8.10 0.292

Kovar 8.36 0.302

Chemical lead 11.34 0.409

Antimonial lead (6%) 10.88 0.393

Tin (commercially pure) 7.17 0.259

Lead–tin solder (60Sn-40Pb) 8.52 0.308

Zinc (commercially pure) 7.14 0.258

Zirconium, reactor grade 702 6.51 0.235

GRAPHITE, CERAMICS, AND

SEMICONDUCTING MATERIALS

Aluminum oxide

• 99.9% pure 3.98 0.144


• 96% pure 3.72 0.134


• 90% pure 3.60 0.130
  Concrete 2.4 0.087
  Diamond


• Natural 3.51 0.127


• Synthetic 3.20–3.52 0.116–0.127
  Gallium arsenide 5.32 0.192
  Glass, borosilicate (Pyrex) 2.23 0.0805
  Glass, soda–lime 2.5 0.0903
  Glass ceramic (Pyroceram) 2.60 0.0939
  Graphite


• Extruded 1.71 0.0616


• Isostatically molded 1.78 0.0643
  Silica, fused 2.2 0.079
  Silicon 2.33 0.0841
  Silicon carbide


• Hot pressed 3.3 0.119


• Sintered 3.2 0.116
  Silicon nitride


• Hot pressed 3.3 0.119


• Reaction bonded 2.7 0.0975


• Sintered 3.3 0.119
  Zirconia, 3 mol% Y 2 O 3 , sintered 6.0 0.217
  POLYMERS
  Elastomers


• Butadiene-acrylonitrile (nitrile) 0.98 0.0354


• Styrene-butadiene (SBR) 0.94 0.0339


• Silicone 1.1–1.6 0.040–0.058
  Epoxy 1.11–1.40 0.0401–0.0505
  Nylon 6,6 1.14 0.0412
  Phenolic 1.28 0.0462
  Poly(butylene terephthalate) (PBT) 1.34 0.0484
  Polycarbonate (PC) 1.20 0.0433
  Polyester (thermoset) 1.04–1.46 0.038–0.053
  Polyetheretherketone (PEEK) 1.31 0.0473
  Polyethylene


• Low density (LDPE) 0.925 0.0334


• High density (HDPE) 0.959 0.0346