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 • 815

Table B.5 (Continued)

Fracture Toughness

Strengtha

Material MPa

√

mksi

√

in. (MPa)

Silicon nitride

• Hot pressed 4.1–6.0 3.7–5.5 700–1000


• Reaction bonded 3.6 3.3 250–345


• Sintered 5.3 4.8 414–650
  Zirconia, 3 mol% Y 2 O 3 7.0–12.0 6.4–10.9 800–1500
  POLYMERS
  Epoxy 0.6 0.55 —
  Nylon 6,6 2.5–3.0 2.3–2.7 44.8–58.6
  Polycarbonate (PC) 2.2 2.0 62.1
  Polyester (thermoset) 0.6 0.55 —
  Poly(ethylene terephthalate) (PET) 5.0 4.6 59.3
  Poly(methyl methacrylate) (PMMA) 0.7–1.6 0.6–1.5 53.8–73.1
  Polypropylene (PP) 3.0–4.5 2.7–4.1 31.0–37.2
  Polystyrene (PS) 0.7–1.1 0.6–1.0 —
  Poly(vinyl chloride) (PVC) 2.0–4.0 1.8–3.6 40.7–44.8
  aFor metal alloys and polymers, strength is taken as yield strength; for ceramic materials,
  flexural strength is used.
  Sources:ASM Handbooks,Volumes 1 and 19, Engineered Materials Handbooks,Volumes 2
  and 4, andAdvanced Materials & Processes,Vol. 137, No. 6, ASM International, Materials
  Park, OH.

Table B.6 Room-Temperature Linear Coefficient of Thermal Expansion

Values for Various Engineering Materials

Coefficient of

Thermal Expansion

Material 10 −^6 (◦C)−^110 −^6 (◦F)−^1

METALS AND METAL ALLOYS

Plain Carbon and Low Alloy Steels

Steel alloy A36 11.7 6.5

Steel alloy 1020 11.7 6.5

Steel alloy 1040 11.3 6.3

Steel alloy 4140 12.3 6.8

Steel alloy 4340 12.3 6.8

Stainless Steels

Stainless alloy 304 17.2 9.6

Stainless alloy 316 16.0 8.9

Stainless alloy 405 10.8 6.0

Stainless alloy 440A 10.2 5.7

Stainless alloy 17-7PH 11.0 6.1

Cast Irons

Gray irons

• Grade G1800 11.4 6.3


• Grade G3000 11.4 6.3


• Grade G4000 11.4 6.3