1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2004 11 18 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.7, 3.8 & 4 1991 01 02 Revised EP00E01089480000 P. Kuntze 1989 01 18 Released SM/EQ 0972TP P. Kuntze Printed copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 1
2、of 4 UNSATURATED POLYESTER (UP) INJECTION WSK-M3D154-A MOLDING COMPOUND, 17% GLASS FIBER REINFORCED, HIGH HEAT RESISTANT 1. SCOPE The material defined by this specification is a thermosetting injection molding compound based on unsaturated polyester resin (UP), 17% glass fiber reinforced, high tensi
3、le strength, high heat resistant. This material does not ignite (DNI) without flame retardant additives. 2. APPLICATION This specification was released originally for material used for engine intake manifold. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and p
4、art producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MOLDING COMPOUND 3.4.1 Ash Content 55.5 - 57.5% (ISO 3451/1, Method A, except: 2 h at 550 +/- 10 C, test portion: 10 - 20 g) 3.4.2 Glass Fibre Content 15% By weight, % min ISO 3451/1, Meth
5、od B, 1 h at 650 +/- 25 C, except use 5% by volume hydrochloric acid solution for 15 min. Rinse and filter the glass fibers (use glass filter with pores 50 micrometer, max) several times with distilled water before drying in an oven for 2 h at 120 +/- 2 C. After cooling, weigh the crucibles and calc
6、ulate the percent glass fibers. 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on injection molded test specimens. The following dimensions are required: A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167) B. 120 x 10 x 4.0
7、 +/- 0.2 mm Specimens with shorter dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared under optimum conditions as defined by the manufacturer of raw material. No annealing allowed. ENGINEERING MATERIAL SPECIFICATIONWSK-M3D154-APrinted cop
8、ies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 2 of 4 3.5.2 Density 1.82 - 1.88 g/cm3(ISO 1183, Method A/ ASTM D 792, Method A1) 3.5.3 Tensile Strength at Max Load, min 65 MPa (ISO R 527/ASTM D 638M, 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural
9、 Modulus, min 12.5 GPa (ISO 178/ASTM D 790M, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.5.5 Flexural Strength, min 125 MPa (ISO 178/ASTM D 790, Method I, Procedure A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 64 mm support span) 3.5.6 Shear Modulus at 23 C 4.4 - 6.6 GPa
10、 (ASTM D 4065, forced constant 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 +280 C temperature range, at 5 C minimum inte
11、rvals. The plotted curve must be within tolerance range shown on page 6. 3.5.7 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) 3.5.7.1 At 23 +/- 2 C 6 kJ/m23.5.7.2 At -40 +/- 2 kJ/m2The test specimens must be conditioned
12、for minimum of 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. 3.5.8 Heat Deflection Temperature, min (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen) 3.5.8.
13、1 At 1.82 MPa 240 C 3.5.9 Water Absorption, max 0.2% (ISO 62, 24 h/ASTM D 570, 24 h boiling water, injection molded multipurpose specimen 150 min x 10 x 4.0 +/- 0.2 mm) ENGINEERING MATERIAL SPECIFICATIONWSK-M3D154-APrinted copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 3
14、of 4 3.5.10 Heat Aging Performance (ISO 188/ASTM D 573, 1000 h at 190 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.10.1 Tensile Strength Change +/- 15% (Test Method per para 3.5.3) 3.5.10.2 Impact Strength, Izod Change +/- 15% (Test Method
15、 per para 3.5.8.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate 0 mm/minute (DNI) The specimen size required for material approval is 355 x 100 x 1.8 +/- 0.1 mm with a smooth surface. 5. GENERAL INFORMATION The information given below is provided for clarification
16、 and assistance in meeting the requirements of this specification. 5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 1.9 - 2.3-5/ C (ASTM D 696) 5.2 MOLD SHRINKAGE (ISO 2577, injection molded multipurpose specimen 150 min x 10 x 4.0 +/- 0.2 mm) 5.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.10% 5.2.
17、2 Post Shrinkage . After 48 h at 80 C 0.02% 5.3 HARDNESS, ROCKWELL M 80 - 84 (ISO 2039/2/ASTM D 785) 5.4 HEAT DEFLECTION TEMPERATURE, min (ISO 75/ASTM D 648, except 80 x 10 x 4.0 +/- 0.2 mm specimen, placed flatwise on supports with 64 mm span, at 8 MPa) 5.4.1 At 8 MPa 215 C NOTE: Proposed ISO appro
18、ach for thermosetting and thermoplastic materials with high HDT (above the useful life of equipments heating media). 5.5 COMPRESSIVE STRENGTH, min 120 MPa (ASTM D 695, 13 x 13 x 25 mm specimen, 1.3 mm/min speed of testing)ENGINEERING MATERIAL SPECIFICATIONWSK-M3D154-APrinted copies are uncontrolled Copyright 2004, Ford Global Technologies, LLC Page 4 of 4
