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本文(FORD WSS-M3D185-A-2003 UNSATURATED POLYESTER (UP) MODIFIED 35% GLASS FIBER REINFORCED SHEET MOLDING COMPOUND TO BE USED WITH FORD WSS-M99P1111-A 《35%玻璃纤维增强的不饱和聚酯(UP)改性片状成型料 与标准F.pdf)为本站会员(amazingpat195)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD WSS-M3D185-A-2003 UNSATURATED POLYESTER (UP) MODIFIED 35% GLASS FIBER REINFORCED SHEET MOLDING COMPOUND TO BE USED WITH FORD WSS-M99P1111-A 《35%玻璃纤维增强的不饱和聚酯(UP)改性片状成型料 与标准F.pdf

1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2003 06 23 Activated G. Gullen Printed copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 1 of 5 UNSATURATED POLYESTER (UP), MODIFIED, 35% GLASS WSS-M3D185-A FIBER REINFORCED SHEET MOLDING COMPOUND 1. SCOPE The materia

2、l defined by this specification is a 25 mm minimum long glass fiber reinforced unsaturated, modified polyester sheet molding compound (SMC). 2. APPLICATION This specification was released originally for materials used for a fuel tank protective heat shield. This material is not intended for applicat

3、ions which require load bearing or structural integrity, high impact properties or highly visible applications. 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-M9

4、9P1111-A). 3.1.1 All requirements of this specification, identified by symbol (s), shall be met with data representing 3 sigma values. 3.2 MOLDED TEST SPECIMEN 3.2.1 Preparation of Test Specimens All test specimens shall be prepared from cross-ply molded plaques or equivalent. The plaques are to be

5、manufactured from the same material and under equivalent conditions as production parts. The plaques shall have the following dimensions. 300 x 300 mm, minimum x 2.5 +/- 0.2 mm Prepared specimens must show no evidence of fiber tear or loose fiber strands protruding from the specimens. No additional

6、annealing of specimens is allowed. 3.2.2 Density 1.8 - 2.05 g/cm3(ISO 1183, Method A) 3.2.3 Filler Content 3.2.3.1 Ash Content, nominal 79% (ISO 3451/1, Method A, 1 h at 650 +/- 25 C) ENGINEERING MATERIAL SPECIFICATIONWSS-M3D185-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologi

7、es, Inc. Page 2 of 5 (s) 3.2.3.2 Glass Fiber Content, minimum 35% By Weight Test Method: ISO 3451/1, Method B, 1 h at 650 +/- 25 C, except use 5% by volume hydrochloric acid solution for 15 minutes. Rinse the glass fibers several times with distilled water before drying in an oven for 2 h at 120 +/-

8、 2 C. After cooling, weigh the crucibles and calculate the percent glass fibers. 3.2.3.3 Glass Fiber Length, min 25 mm (Optical evaluation method) (s) 3.2.4 Tensile Strength at Break, min 96 Mpa (ISO R 527, 150 minimum x 25 x 2.5 +/- 0.2 mm specimen, 5 mm/min test speed) (s) 3.2.5 Flexural Modulus,

9、min 11.3 Gpa (ISO 178, 60 x 10 x 2.5 +/- 0.2 mm specimen, 40 mm support span, 2 mm/minute test speed) (s) 3.2.6 Flexural Strength, min 210 Mpa (ISO 178, 60 x 10 x 2.5 +/- 0.2 mm specimen, 40 mm support span 2 mm/minute test speed) 3.2.7 Shear Modulus At 23 C 5.00 - 7.68 GPa (ASTM D 4065, forced cons

10、tant 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. Specimen length between clamps 35 - 40 mm. Soak time at each temperature interval - 3 minutes minimum) Additionally, a Shear Modulus vs. Temperature cu

11、rve shall be plotted for - 50 to + 260 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 5. (s) 3.2.8 Impact Strength, Izod, min (ISO 180/4A, 63.5 x 12.7 x 2.5 +/- 0.2 mm specimen, 10 specimens minimum) 3.2.8.1 At 23 +/- 2 C 64 kJ/m2ENGINEE

12、RING MATERIAL SPECIFICATIONWSS-M3D185-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 3 of 5 3.2.8.2 At - 40 +/- 2 C 85 kJ/m2The test specimens must be conditioned for minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing

13、 shall be done within the cold box, if not possible, test can be conducted outside, but within 5 s. (s) 3.2.9 Heat Deflection Temperature, min 250 C (ISO 75, 120 x 10 x 2.5 +/- 0.2 mm specimen, 0.32 +/- 0.01 mm deflection. At 1.80 MPa) (s) 3.2.10 Water Absorption, max 0.50% (ISO 62, 24 h, 50 x 50 x

14、2.5 +/- 0.2 mm specimen 3.2.11 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 180 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.2.11.1 Tensile Strength at Max Load Change, max - 25% (Test Method per para 3.2.4) 3.

15、2.11.2 Flexural Strength Change, max - 25% (Test Method per para 3.4.6) 3.2.11.3 Impact Strength, Izod Change, max - 25% (Test Method per para 3.4.8.1) 3.3 FLAMMABILITY (ISO 3795) Burn Rate, max 100 mm/minute Self-Extinguishing (SE) The specimen size required for material approval is 355 x 100 x 2.5

16、 +/- 0.1 mm with a smooth surface. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. ENGINEERING MATERIAL SPECIFICATIONWSS-M3D185-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies

17、, Inc. Page 4 of 5 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 1.50E - 05/C (ASTM E 228 or TMA, temperature range - 30 to + 30 C) 4.2 MOLD SHRINKAGE 0.1% (ISO 2577, approx. 300 x 300 x 2.5 +/- 0.2 mm compression molded specimen, after 48 h at room temperature) 4.3 HARDNESS, BARCOL 55 (ASTM D 2583) 4.4 COMPRESSIVE STRENGTH 175 Mpa (ASTM D 695) 4.5 COLOR Black or as specified on Engineering Drawing 4.6 RECYCLING CODE UP-(GF+M)80 ENGINEERING MATERIAL SPECIFICATIONWSS-M3D185-APrinted copies are uncontrolled Copyright 2003, Ford Global Technologies, Inc. Page 5 of 5

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