1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 05 02 N-STATUS Replaced by WSS-M4D968-A A. Reaume/M. Masserant 2005 10 27 Revised Format Updated 2003 01 27 Activated D. Whyte Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 4 POLYAMIDE (PA) 6, HEA
2、T STABILIZED 30% GLASS FIBER/ WSS-M4D664-A4 MINERAL REINFORCED, MINIMUM 25% PCR AND/OR PIR CONTENT NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a glass fiber reinforced, heat stabilized polyamide 6 molding compound containing a minimum of 25% post consumer and
3、/or post industrial recycled content. 2. APPLICATION This specification was released originally for material used for the air intake manifold. NOTICE: This material absorbs and retains moisture. Part design and tolerances must accommodate changes in part dimensions and physical properties due to moi
4、sture absorption or loss in the service/assembly environment. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 MOLDING COMPOUND 3.2.1 Glass Fiber
5、Content 31 - 35% (ISO 3451/4, test temperature 600 +/- 25 C, test portion 1 g) 3.2.2 Melt Temperature 210 - 225 C (ISO 1218, Method B/ASTM D 789) 3.3 MOLDED TEST SPECIMEN 3.3.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded one-end gated t
6、est specimens. The following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 80 x 10 x 4.0 +/- 0.2 mm cut from center of Tensile Bar Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be pre
7、pared according to ISO 294. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D664-A4 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 4 3.3.2 Density 1.36 - 1.42 g/cm (ISO 1183, Method A/ASTM D 792, Method A1) 3.3.3 Tensile Strength at Max Load, mi
8、n 140 MPa (ISO R 527/ASTM D 638M, 150 x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/minute test speed) 3.3.4 Flexural Modulus, min 7.5 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.3.5 Shear Modulus at 23 C 1.37 - 2.28 GPa (ASTM D 4065, forced const
9、ant amplitude, 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) Additionally, a Shear Modulus vs. Temperature curve shall be plotted for -50 to +210 C temperature range, at 5 C minimum intervals. The plotted curve mu
10、st be within tolerance range shown on page 4. 3.3.6 Impact Strength, Izod, min (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.3.6.1 At 23 +/- 2 C 5.0 kJ/m 3.3.6.2 At -40 +/- 2 C 4.0 kJ/m The test specimens must be conditioned for minimum of
11、6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold box. If not possible, test can be conducted outside, but within 5 s. 3.3.7 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen) 3.3.7.1 At 1.82 MPa 1
12、90 C 3.3.7.2 At 0.45 MPa 210 C 3.3.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 140 +/- 2 C. After heat aging test specimens are to be conditioned in a desiccator for 3 - 5 h at 23 +/- 2 C. Unaged property values shall be determined at the time of the aged proper
13、ties determination) 3.3.8.1 Impact Strength, Izod Change +/- 25% (Test Method per para 3.3.6.1, specimens to be notched before heat aging) ENGINEERING MATERIAL SPECIFICATIONWSS-M4D664-A4 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 4 3.4 FLAMMABILITY (ISO 3
14、795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm with a smooth surface. 3.5 FOGGING (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 1 h and 16 h) Fog Number, min 70 Formation of clear film, droplets or cryst
15、als is cause for rejection. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 2.3 - 3.3-5/C (ASTM D 696) 4.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2
16、+/- 0.2 mm injection molded specimen) 4.2.1 Molding Shrinkage After 48 h at 23 +/- 2 C 0.2 - 1.5% 4.2.2 Post Shrinkage (Separate specimens required for each test) After 48 h at 80 C 0.01 - 0.08% After 30 minutes at 120 C 0.01 - 0.15% 4.3 WATER ABSORPTION 0.8 - 1.4% (ISO 62, 24 h/ASTM D 570, 24 h, 50
17、 +/- 1 mm diameter, 3.2 +/- 0.2 mm thick specimen) 4.4 IMPACT STRENGTH, IZOD, min (ISO 180, Method A/ASTM D 256, Method A, 63.5 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens minimum) 4.4.1 After Moisture Conditioning 22 kJ/m The notched specimens shall be immersed for 48 h in distilled water at 50 +/- 1 C and subsequently conditioned for 1 h at 23 +/- 2 C and 50 +/- 5% relative humidity prior to test and tested under the same conditions within 1 h. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D664-A4 Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 4
