1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2014 02 18 N Status Replaced by WSS-M4D932-B1/B2 T.Nover, EU 2006 07 19 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 aluminum foil, 180 - 200 C molding temperature, 15 +/- 2 C/min cooling rate. The values of this specification are ba
2、sed on unannealed specimens. 3.5.2 Density 0.88 - 0.90 g/cm (ISO 1183, Method A) (s) 3.5.3 Tensile Strength at Yield, min 19 MPa (ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed) (s) 3.5.3.1 Elongation at Yield, min 11% (Test Method according to para 3.5.3) ENGINEERING MA
3、TERIAL SPECIFICATION WSS-M4D932-A1 Copyright 2014, Ford Global Technologies, LLC Page 2 of 4 (s) 3.5.4 Flexural Modulus, min 785 MPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen, 2 mm/min test speed, 64 mm support span) 3.5.5 Shear Modulus at 23 C 500 - 750 MPa (ASTM D 4065, forced constant amplitude
4、, fixed frequency of 1 Hz +/- 15%, strain level below 1%. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center of specimen A. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus versus Temperature curve shall be
5、plotted for -50 to +150 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. (s) 3.5.6 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C No Break 3.5.6.2 At -40 +/-
6、1 C 2.0 kJ/m 3.5.6.3 At TBD +/- 2 C No Break The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box. (s) 3.5.7 Heat Deflection Temperature, min (ISO 75, 120 x 10 x 4.0 +/- 0.2 mm spe
7、cimen, edgewise, 0.32 +/- 0.01 mm deflection) 3.5.7.1 At 1.80 MPa 41 C 3.5.7.2 At 0.45 MPa 62 C 3.5.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 130 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile
8、Strength at Yield Change +/- 10% (Test Method per para 3.5.3) 3.5.8.2 Impact Strength, Izod Change No Break (Test Method per para 3.5.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATION WSS-M4D932-A1 Copyright 2014, Ford Global Technologies, LLC Page 3 of 4 3.6 FOGGING
9、 (FLTM BO 116-03, 3 h at 100 C heating, 21 C cooling plate) Fog Number, min 80 Formation of a clear film, droplets or crystals is cause for rejection. 3.7 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 0.6 +/- 0.1 mm with a smooth
10、 surface. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 15.3-5/ C (ASTM E 831 (TMA), temperature range -30 to +30 C) 5.2 POISSONS RATIO 0.30 (23 +/- 2 C) 5
11、.3 TENSILE MODULUS (Test method according to para 3.5.3) 5.3.1 At 23 +/- 2 C 1.0 GPa 5.3.2 At 95 +/- 2 C 300 MPa 5.4 TENSILE STRENGTH AT YIELD (Test method according to para 3.5.3) 5.4.1 At -20 +/- 2 C 42 MPa 5.4.2 At 23 +/- 2 C 19 MPa 5.4.3 At 95 +/- 2 C 8 MPa 5.5 ELONGATION AT YIELD (Test method according to para 3.5.3) 5.5.1 At -20 +/- 2 C 4% 5.5.2 At 23 +/- 2 C 11% 5.5.3 At 95 +/- 2 C 12% 5.6 RECYCLING CODE PP ENGINEERING MATERIAL SPECIFICATION WSS-M4D932-A1 Copyright 2014, Ford Global Technologies, LLC Page 4 of 4
