Mechanical properties

Tensile properties

  • Figure 1-1: Tensile stress-strain curve(Minute-strain region) Figure 1-1: Tensile stress-strain curve
    (Minute-strain region)
  • Figure 1-2: Tensile stress-strain curve (Effects of temperature) Figure 1-2: Tensile stress-strain curve
    (Effects of temperature)
  • Figure 1-3: Change in tensile strength as a function of temperature

    Figure 1-3: Change in tensile strength as a function of temperature

  • Figure 1-4: Change in tensile strength resulting from water absorption Figure 1-4: Change in tensile strength resulting from water absorption
  • Figure 1-5: Change in tensile strength in products with water uptake as a function of temperature Figure 1-5: Change in tensile strength in products with water uptake as a function of temperature

Flexural properties

  • Figure 1-6: Flexural stress-strain curve (Effects of temperature) Figure 1-6: Flexural stress-strain curve
    (Effects of temperature)
  • Figure 1-7: Change in flexural strain as a function of temperature Figure 1-7: Change in flexural strain as a function of temperature
  • Figure 1-8: Change in flexural strength as a function of temperature Figure 1-8: Change in flexural strength as a function of temperature
  • Figure 1-9: Change in flexural strength resulting from water absorption Figure 1-9: Change in flexural strength resulting from water absorption
  • Figure 1-10: Change in flexural strength in products with water uptake as a function of temperature Figure 1-10: Change in flexural strength in products with water uptake as a function of temperature
  • Figure 1-11: Change in flexural modulus as a function of temperature Figure 1-11: Change in flexural modulus as a function of temperature
  • Figure 1-12: Change in flexural modulus resulting from water absorption Figure 1-12: Change in flexural modulus resulting from water absorption
  • Figure 1-13: Change in flexural modulus in products with water uptake as a function of temperature Figure 1-13: Change in flexural modulus in products with water uptake as a function of temperature

Compressive properties

  • Figure 1-14: Compressive stress-strain curve (Effects of temperature) Figure 1-14: Compressive stress-strain curve
    (Effects of temperature)
  • Figure 1-15: Change in compressive strength in products with water uptake as a function of temperature Figure 1-15: Change in compressive strength in products with water uptake as a function of temperature
  • Figure 1-16: Change in compressive strength resulting from water absorption

    Figure 1-16: Change in compressive strength resulting from water absorption

Shearing properties

  • Figure 1-17: Change in shear strength as a function of temperature Figure 1-17: Change in shear strength as a function of temperature
  • Figure 1-18: Change in shear strength resulting from water absorption Figure 1-18: Change in shear strength resulting from water absorption

Impact properties

  • Figure 1-19: Change in impact strength (using a V-notched sample) as a function of temperature Figure 1-19: Change in impact strength (using a V-notched sample) as a function of temperature
  • Figure 1-20: Change in impact strength(using an unnotched sample) as a function of temperature Figure 1-20: Change in impact strength(using an unnotched sample) as a function of temperature
  • Figure 1-21: Change in impact strength (using a V-notched sample) resulting from water absorption Figure 1-21: Change in impact strength (using a V-notched sample) resulting from water absorption
  • Figure 1-22: Change in impact strength (usingan unnotched sample) resulting from water absorption Figure 1-22: Change in impact strength (using an unnotched sample) resulting from water absorption

Surface hardness properties

  • Figure 1-23: Change in Rockwell hardness as a function of temperature Figure 1-23: Change in Rockwell hardness as a function of temperature
  • Figure 1-24: Change in Rockwell hardness resulting from water absorption Figure 1-24: Change in Rockwell hardness resulting from water absorption

Friction and wear properties

Figure 1-25: Change in frictional coefficient and amount of wear as a function of contact pressure

Figure 1-25: Change in frictional coefficient and amount of wear as a function of contact pressure

Other properties

Table1-2: Anisotropy of mechanical properties
Category Unit Measurement direction
Machine direction Transverse direction
Tensile strength MPa 132 117
Flexural strength MPa 235 165
Flexural modulus GPa 7.8 5.1

Test specimen: Cut out from a square plate (shown in figure below) and fraise milled.

  • Tensile test specimen: ASTM D-1822 S-type tensile impact test specimen
  • Flexural test specimen: 14 × 80 × 3t
Table1-3: Weld strength
Category Unit Weld strength Normal strength
Tensile strength MPa 83 180
Elongation % 1.9 5
Flexural strength MPa 131 260
Flexural modulus GPa 6.8 8.5
Impact strength
(using unnotched sample)		 kJ/m2 8 65

Test specimen: Typical weld on a 1/8" thick ASTM No. 1 dumbbell, where resin collides with resin at the center of a test specimen having gates at both ends.

  • Figure 1-26: Change in flexural strength as a function of corner radius (R) Figure 1-26: Change in flexural strength as a function of corner radius (R)
  • Figure 1-27: Change in flexural strength as a function of sharp edges (Cross-section surface area not corrected) Figure 1-27: Change in flexural strength as a function of sharp edges (Cross-section surface area not corrected