1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2017 10 04 Revised See Summary of Revisions G. Kowalski, NA 2006 03 17 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.8, 3.9 & 4 1991 04 20 Released NL00E10149028 L.R. Gullen Controlled document at www.MATS Copyright 2017, Ford Global
2、Technologies, LLC Page 1 of 5 POLYPHENYLENE SULFIDE (PPS), 40% GLASS FIBER WSL-M4D807-A REINFORCED MOLDING COMPOUND 1. SCOPE The material defined by this specification is a very high heat resistant 40% glass fiber reinforced polyphenylene sulfide (PPS) molding compound. 2. APPLICATION This specifica
3、tion was released originally for material used for high temperature, alcohol containing fuel valves. 3. REQUIREMENTS 3.1 APPROVED SOURCES This specification requires the use of approved sources. Only the sources identified on the Ford Approved Source List (ASL) can be used when this specification is
4、 listed on the drawing, CAD file, or other documents. The list of approved sources is located within Ford at or available externally through a Ford Materials Engineer. 3.2 CONDITIONING AND TEST CONDITIONS All test values are based on material conditioned for not less than 24 h prior to testing in a
5、 controlled environment of 23 +/- 2 C and 50 +/- 5% relative humidity. Testing of the material should occur in the conditioning environment or soon after removal. 3.3 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSIS IR spectra and thermograms from initial material approval shall constitute the ref
6、erence standard and shall be kept on file at the designated material laboratory. The material supplier shall ensure that all future material supplied to the specification shall produce IR spectra and thermograms that correspond to the reference standard when tested under the same conditions. 3.4 MOL
7、DING COMPOUND 3.4.1 Glass Fiber Content 38 - 42% (ISO 3451/1, Method A, 1 h at 825 +/- 50 C) 3.4.2 Melt Temperature 275 C min (ISO 1218, Method B/ASTM D 789, or DSC - ASTM E 794) 3.5 MOLDED TEST SPECIMEN 3.5.1 Preparation of Test Specimens Unless otherwise specified all tests shall be carried out on
8、 injection molded one-end gated test specimens. ENGINEERING MATERIAL SPECIFICATION WSL-M4D807-A Copyright 2017, Ford Global Technologies, LLC Page 2 of 5 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 +/- 0.2 mm Specimens with shorte
9、r dimensions shall be cut from the center portion of the test specimen A and/or B. The specimens shall be prepared according to ISO 294. No annealing allowed. 3.5.2 Density 1.6 - 1.66 g/cm3 (ISO 1183, Method A/ASTM D 792, Method A1) 3.5.3 Tensile Strength at Break 144 MPa min (ISO R 527/ASTM D 638M,
10、 150 min x 10 x 4.0 +/- 0.2 mm specimen, 5 mm/min test speed) 3.5.4 Flexural Modulus 9.65 GPa min (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 Shear Modulus at 23 C 2.03 - 3.39 GPa (ASTM D 4065, forced constant amplitude, fixed frequency o
11、f 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 curve shall be plotted for -50 to +25
12、0 C temperature range, at 5 C minimum intervals. The plotted curve must be within tolerance range shown on page 4. 3.5.6 Impact Strength, Izod (ISO 180, Method A/ASTM D 256, Method A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) 3.5.6.1 At 23 +/- 2 C 6.0 kJ/m2 min 3.5.6.2 At -40 +/
13、- 2 C 6.5 kJ/m2 min 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, if not possible, test can be conducted outside, but within 5 s. 3.5.7 Heat Deflection Temperature 260 C mi
14、n (ISO 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 1.82 MPa) 3.5.8 Heat Aging Performance (ISO 188/ASTM D 573, 150 +/- 50 air changes/h, 1000 h at 220 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.5.8.1 Tensile Strength at Change -2
15、5% max (Test Method per para 3.5.3) ENGINEERING MATERIAL SPECIFICATION WSL-M4D807-A Copyright 2017, Ford Global Technologies, LLC Page 3 of 5 3.5.8.2 Impact Strength, Izod Change -25% max (Test Method per para 3.5.6.1, specimens to be notched before heat aging) 3.6 FLAMMABILITY (ISO 3795) Burn Rate
16、100 mm/minute max The specimen size required for material approval is 355 x 100 x 2.5 +/- 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. Contact for questions concerning
17、 Engineering Material Specifications. 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 10.0-5/C (ASTM D 696) 4.2 MOLD SHRINKAGE (ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mm injection molded specimen) 4.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.1 - 0.3% 4.3 HEAT DEFLECTION TEMPERATURE 276 C (ISO
18、 75/ASTM D 648, 120 x 10 x 4.0 +/- 0.2 mm specimen. At 0.45 MPa) 4.4 APPROVAL OF MATERIALS Suppliers desiring approval of their materials shall first obtain an expression of interest from Purchasing, Design or Product Development, and Materials Engineering. The supplier shall submit a completed copy
19、 of their laboratory test reports, signed by a qualified and authorized representative of the test facility, demonstrating full compliance with all the requirements of the Material Specification. Tested material samples must be available for review upon request and kept for a minimum of one year. Up
20、on request, the supplier will review the associated quality control documents (Process Failure Mode and Effects Analysis, Control Plans, Certification testing) with Ford. 4.5 SUPPLIERS ONGOING RESPONSIBILITY All materials must be equivalent in all characteristics to the material upon which approval
21、was originally granted. Prior to making any changes to the material originally approved, whether or not such changes affect the materials ability to meet the specification requirements, the supplier shall notify the affected Supplier Technical Assistance (STA), Purchasing, and Materials Engineering
22、activities of the proposed changes (with reasons) by submission of a completed Suppliers Request for Engineering Approval, SREA. ENGINEERING MATERIAL SPECIFICATION WSL-M4D807-A Copyright 2017, Ford Global Technologies, LLC Page 4 of 5 For parts and components using Ford Engineering Material Specific
23、ations, all samples tested to the specifications for Design Verification (DV), Production Verification (PV) and Production Part Approval Process (PPAP) sign off must be kept until Job 1. 4.6 RESTRICTED SUBSTANCE MANAGEMENT STANDARD Substance restrictions imposed by regulations or Company direction a
24、pplies to the materials addressed by this document. The restrictions are identified in the Restricted Substance Management Standard WSS-M99P9999-A1 which is updated yearly. It is the suppliers responsibility to comply with this standard on a continuing basis through IMDS and or GMAP reporting. 5. SUMMARY OF REVISIONS 2017 10 04 Updated standard paragraphs Updated melt temperature ENGINEERING MATERIAL SPECIFICATION WSL-M4D807-A Copyright 2017, Ford Global Technologies, LLC Page 5 of 5
