1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 07 16 N-STATUS No Replacement Named K. Mueller, NA 2006 08 08 Activated K. Mueller/M. Masserant Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 6 THERMOPLASTIC POLYOLEFIN ELASTOMER (TEO), 12% MINERA
2、L, WSS-M4D961-A5 HIGH MELT FLOW, LOW CLTE, FULLY PAINTED, EXTERIOR NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a filled and paintable thermoplastic molding compound. 2. APPLICATION This specification was released originally for material used for exterior bump
3、er applications that are fully painted. Any color additives need to be reviewed and approved by the raw material supplier and Ford Materials Engineering. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.1 STANDARD REQUIREMENTS FOR PRODUCTIO
4、N MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1.1 All requirements of this specification, identified by symbol (s), shall be met with data representing 3 sigma values. 3.1.2 This specification was dev
5、eloped using virgin material properties. The use of regrind is permitted, for economic/environmental reasons, with compliance as indicated in WSS-M99P1111-A. 3.2 MOLDING COMPOUND (s) 3.2.1 Melt Flow Rate 19 - 24 g/10 minutes (ISO 1133, 230 C, 2.16 kg) (s) 3.2.2 Mineral Filler Content 10 14% (ISO 345
6、1-1, Method A, talc filler, 3 h at 650 +/- 25 C, test portion 1 - 2 g) 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 test specimens. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D961-A5 Printed copi
7、es are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 6 The following dimensions are required: A. 150 minimum x 10 x 4.0 +/- 0.2 mm (ISO 3167, Type 1A) B. 60 x 60 x 2.0 +/- 0.1 mm (ISO/DIS 294-3) C. 355 x 100 x 1.0 +/- 0.1 mm (ISO 3795) Test specimen A shall be molded using mol
8、ding conditions defined in ISO 1873-2. Specimens with shorter dimensions shall be cut from the center of the specimen A. No annealing allowed. 3.3.2 Density 0.96 1.00 g/cm3(ISO 1183, Method A) 3.3.3 Hardness, Durometer D 54 - 64 (ISO 868, 15 s dwell) (s) 3.3.4 Tensile Strength at Yield, min 17 MPa (
9、ISO 527-1 150 x 1 x 4 mm specimen specimen A) Test speed shall be 50 mm/minute for all materials. Provide a curve of tensile stress versus strain using one specimen per lot at each of the following temperatures: -40 C, 23 C and 85 C (Page 6). For ductile materials, the curve shall cover strain throu
10、gh yield point. 3.3.7 Impact Strength, Izod, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test) (s) 3.3.7.1 At 23 +/- 2 C 44 kJ/m2(s) 3.3.7.2 At -40 +/- 1 C 5 kJ/m23.3.7.3 At 0 +/- 2 C 10 kJ/m2 (Note: Minimum not -3sigma test data at 0 +/- 2 C is required) The test speci
11、mens must be conditioned for a minimum of 6 h at the above specified temperature prior to impact test. Low temperature testing shall be done within the cold chamber, if not possible, test may be conducted outside, but within 5 seconds. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D961-A5 Printed copies a
12、re uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 3 of 6 3.3.8 Impact Strength, Multiaxial, Painted and Unpainted Specimens (ASTM D 3763, 100 x 100 x 3.2 0.2 mm thick smooth surface injection molded specimen, test a minimum of 10 specimens from 3 individual lots at each condition; 2
13、.2 m/s impact velocity; to be tested using production paint systems. For North America: painted primer ESB-M6J142-A PPG MPP6000; Basecoat/Clearcoat ESB-M2J218-A1/2 1K/1K PPG Oxford White CBCF6466, PPG Clearcoat CUCC1000XA) Test specimens must be conditioned for minimum of 6 h at test temperature pri
14、or to impact testing. Low temperature conditioning and testing shall be conducted within the same environmental chamber as the clamp mechanism of the impact device. Painted test specimens must be oriented with paint in tension (paint side down). Summarize testing at each condition by providing the f
15、ollowing information as well as the information in Figure 1. a. Detailed description of specimen preparation b. Molding conditions: melt and mold surface temperatures, and average injection velocity c. Number of samples tested per lot per temperature d. Numbers of lots tested e. Number of samples wi
16、th ductile failure per each test condition f. Representative force vs. deflection curve for each impact event Test results shall be submitted with an initial qualification of the material with curves (data on CD as well as paper copies) and test samples. A ductile failure is defined as a crack that
17、does not radiate more than 10 mm from the center of the impact point. 3.3.8.1 Painted Specimens (Test Method per para 3.3.8) 3.3.8.1.1 Energy at Maximum Load, min (At 0 +/- 2 C) 14.0 J % Ductile, min (At 0 +/- 2 C) 30% 3.3.8.1.2 Energy at Maximum Load, min (At -10 +/- 2C) 7.8 J % Ductile, min (At -1
18、0 +/- 2C) 0% 3.3.8.2 Unpainted Specimens (Test Method per para 3.3.8) % Ductile, min (At -40 +/- 2 C) 0% ENGINEERING MATERIAL SPECIFICATIONWSS-M4D961-A5 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 4 of 6 Operator NameSample IDTest no Date/time Lot ID Temperatur
19、e ( C )Impact velocity (m/s)Impact energy (J)Time to max load (ms)Total time (ms)Maximum load (kN)Energy to max load (J)Total energy (J)Deflection at max load (mm)# of CracksCrack length, max. (mm)Failure type (Ductile / Brittle) 12345678910AverageMedianMinimumMaximumCoef. of Var.Std. Dev.Figure 1 -
20、 Data Summary(s) 3.3.9 Heat Deflection Temperature, min 48 C (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection. At 1.80 MPa) 3.3.10 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 120 +/- 2 C. Un
21、aged property values shall be determined at the time of the aged properties determination) 3.3.10.1 Tensile Strength at Yield Change +/- 10% (Test Method per para 3.3.3) 3.3.10.2 Impact Strength, Izod Change +/- 15% (Test Method per para 3.5.5.1, specimens to be notched before heat aging) 3.4 FLAMMA
22、BILITY (ISO 3795) Burn Rate, max 100 mm/minute The specimen size required for material approval is 355 x 100 x 2.0 +/- 0.1 mm with a smooth surface. ENGINEERING MATERIAL SPECIFICATIONWSS-M4D961-A5 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 5 of 6 3.5 PAINTABIL
23、ITY Painted substrate using this material must comply with all the requirements of paint performance WSS-M2P181-B. Production level materials must be used in preparing test parts/panels. The use of improper sample prep materials can influence test results. 4. GENERAL INFORMATION The information give
24、n below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 COEFFICIENT OF LINEAR THERMAL EXPANSION (ISO 11359-2 TMA, temperature range 30 to 100C) Flow Direction, E-5 mm/mm/C 6.6 Cross Flow Direction, E-5 mm/mm/C 6.4 4.2 MOLD SHRINKAGE (ISO/DIS 294-3,
25、 60 x 60 x 2.0 +/- 0.1 mm injection molded specimen) 4.2.1 Molding Shrinkage . After 48 h at 23 +/- 2 C 0.7% 4.2.2 Post Shrinkage (Separate specimens required for each test) . After 30 minutes at 120 C 0.9% 4.3 TENSILE MODULUS (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen A test
26、 speed: 50 mm/min) 1550 MPa 4.4 CHARPY, NOTCHED (ISO 179/1eA, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specimens 4.4.1 At 23 +/- 2 C 61 kJ/m24.4.2 At -40 +/- 2 C 5 kJ/m24.4.3 At 0 +/- 2 C 15 kJ/m2The test specimen must be conditioned for minimum of 6 hours at the above
27、specified temperature prior to impact test. Low temperature testing shall be done within the cold chamber, if not possible, test may be conducted outside, but within 5 seconds. 4.5 RECYCLING CODE PP+EPDM-TD12 ENGINEERING MATERIAL SPECIFICATIONWSS-M4D961-A5 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 6 of 6 TYPICAL TENSILE STRESS VS TENSILE STRAIN ISO Tensile (50 mm/min Test Speed)
