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

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

804 • Appendix B / Properties of Selected Engineering Materials

Table B.1 (Continued)

Density

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

• Ultrahigh molecular weight
  (UHMWPE)

0.94 0.0339

Poly(ethylene terephthalate) (PET) 1.35 0.0487

Poly(methyl methacrylate) (PMMA) 1.19 0.0430

Polypropylene (PP) 0.905 0.0327

Polystyrene (PS) 1.05 0.0379

Polytetrafluoroethylene (PTFE) 2.17 0.0783

Poly(vinyl chloride) (PVC) 1.30–1.58 0.047–0.057

FIBER MATERIALS

Aramid (Kevlar 49) 1.44 0.0520

Carbon (PAN precursor)

• Standard modulus 1.78 0.0643


• Intermediate modulus 1.78 0.0643


• High modulus 1.81 0.0653
  E-glass 2.58 0.0931
  COMPOSITE MATERIALS
  Aramid fibers-epoxy matrix
  (Vf=0.60)

1.4 0.050

High-modulus carbon fibers-epoxy

matrix (Vf=0.60)

1.7 0.061

E-glass fibers-epoxy matrix

(Vf=0.60)

2.1 0.075

Wood

• Douglas fir (12% moisture) 0.46–0.50 0.017–0.018


• Red oak (12% moisture) 0.61–0.67 0.022–0.024
  Sources:ASM Handbooks,Volumes 1 and 2, Engineered Materials
  Handbook,Volume 4, Metals Handbook: Properties and Selection:
  Nonferrous Alloys and Pure Metals, Vol. 2, 9th edition, andAdvanced
  Materials & Processes, Vol. 146, No. 4, ASM International, Materials Park,
  OH;Modern Plastics Encyclopedia ’96,The McGraw-Hill Companies,
  New York, NY; R. F. Floral and S. T. Peters, “Composite Structures and
  Technologies,” tutorial notes, 1989; and manufacturers’ technical data sheets.

Table B.2 Room-Temperature Modulus of Elasticity Values

for Various Engineering Materials

Modulus of Elasticity

Material GPa 106 psi

METALS AND METAL ALLOYS

Plain Carbon and Low Alloy Steels

Steel alloy A36 207 30

Steel alloy 1020 207 30

Steel alloy 1040 207 30

Steel alloy 4140 207 30

Steel alloy 4340 207 30

Stainless Steels

Stainless alloy 304 193 28

Stainless alloy 316 193 28