FORD WSS-M4D1053-A1-2014 POLYCARBONATE (PC) COPOLYMER HIGH HEAT RESISTANCE TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 1 2014 01 21 Editorial Added PC to titles L. Soreide, NA 2010 04 22 Activated C. McComb, G. Eaton, Global Materials Team Controlled document at www.MATS Copyright 2014, Ford Global Technologies, LLC Page 1 of 4 POLYCARBONATE (PC) COPOLYM

2、ER, HIGH WSS-M4D1053-A1 HEAT RESISTANCE POLYCARBONATE (PC) COPOLYMER, HIGH WSS-M4D1053-A2 HEAT RESISTANCE, HIGH HDT 1. SCOPE The materials defined by these specifications are thermoplastic injection molded compounds based on a high heat polycarbonate copolymer. These specifications include 2 classif

3、ications which are defined by the heat deflection temperature. These are non UV-stable materials. 2. APPLICATION These specifications were released originally for materials used for exterior lighting components that require high heat performance and that are behind a UV coated lens. 3. REQUIREMENTS

4、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). 3.1.1 All requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma va

5、lues using latest ISO test methods. 3.1.2 This specification is based on virgin materials, however materials with recycled content as defined by WSS-M99P42-A (post-consumer and/or post industrial recyclates and repolymerised recycled materials) should be used whenever technically feasible and follow

6、ing all materials and PV testing required by Ford Materials Engineering. The use of regrind is permitted, for economic / environmental reasons, with compliance as indicated in WSS-M99P1111-A. 3.2 MOLDED TEST SPECIMEN 3.2.1 Preparation of Test Specimens Unless otherwise specified all tests shall be c

7、arried out on injection molded one-end gated test specimens. The following dimensions are required: A. 150 minimum x 10 x 4.0 +/- 0.2 mm (ISO 527-2, specimen type 1A) B. 355 x 100 x 1.0 +/-0.1 mm (ISO 3795) Test specimen A shall be molded using molding conditions defined in). Specimens with shorter

8、dimensions shall be cut from the center of the specimen A. No annealing allowed. 3.2.2 Density 1.12 1.23g/cm3 (ISO 1183, Method A) ENGINEERING MATERIAL SPECIFICATION WSS-M4D1053-A1/A2 Copyright 2014, Ford Global Technologies, LLC Page 2 of 4 (s) 3.2.3 Tensile Strength at yield, min 62 MPa (ISO 527-1

9、 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen A, test speed: 50 mm/minute as noted below) (s) 3.2.3.1 Elongation at yield, min 5% (Test Method according to para 3.2.3) (s) 3.2.4 Tensile Modulus, min 2.2 GPa (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen A test speed: 1

10、 mm/min) (s) 3.2.5 Flexural Modulus, min 2.0 GPa (ISO 178, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 2 mm/min test speed, 64 mm support span) 3.2.6 Impact Strength, Izod, notched, min (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specim

11、ens for each test) (s) 3.2.6.1 At 23 +/- 2 C 4 kJ/m2 (s) 3.2.6.2 At - 40 +/- 2 C 2 kJ/m2 The test specimen must be conditioned for minimum of 6 hours 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 c

12、onducted outside, but within 5 seconds. (s) 3.2.6 Heat Deflection Temperature, min C A1 A2 (ISO 75-1 & ISO 75-2, 80 x 10 x 4.0 138C 146C +/- 0.2 mm specimen use center section of specimen A, flatwise, 0.34 +/- 0.1 mm deflection. At 1.80 MPa) All specimens dry as molded. If not tested immediately aft

13、er molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. (s) 3.2.7 Vicat Softening Temperature, min A1 A2 (ISO 306, 10 x 10 x 4.0 +/- 0.2 mm 155C 166C specimens use center section of specimen A. Bath - silicone oil, temperature raise 50 +/- 5 C/h. Dial gage

14、reset to O after addition of 5 kg weight. At 50 N load) All specimens dry as molded. If not tested immediately after molding, specimens must be stored in a sealed, moisture-proof container filled with silica gel. ENGINEERING MATERIAL SPECIFICATION WSS-M4D1053-A1/A2 Copyright 2014, Ford Global Techno

15、logies, LLC Page 3 of 4 3.2.8 Heat Aging Performance (ISO 188, except 150 +/- 50 air changes/h, 1000 h at 130 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination) 3.2.8.1 Tensile Strength at Yield, Change +/- 25% (Test method per para 3.2.3) 3.2.8.2 I

16、mpact Strength, Izod Change +/- 25% (Test Method per para 4.5.1, specimens to be notched before heat aging) 3.2.9 Hydrolytic Stability (ISO 188, humidity aging at 90 C/70% RH for 500 h or 80 C/70% RH for 1000 h After humidity aging test specimens are to be conditioned for 24 h at 23 +/- 2 C 50% RH.

17、Unaged property values shall be Determined at the time of the aged properties determination) 3.2.9.1 Impact Strength, Izod Change +/- 50% (Test Method per para 4.5.1, specimens to be notched before humidity aging) 3.2.10 Flammability (ISO 3795/SAE J369) Burn Rate, max 100 mm/min The specimen size re

18、quired for material approval is 355 x 100 x 1.0 +/- 0.1 mm (use specimen C) with a smooth surface. 3.2.11 Fogging, min (SAE J1756, 3 h at 100 C heating, 21 C cooling plate, post test conditioning 16 h) Fog Number 90 Formation of clear film, droplets, or crystals is cause for rejection. 4. GENERAL IN

19、FORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. The tests in this section do not require statistical data. 4.1 MELT FLOW RATE (ISO 1133 330C, 2.16 kg) Report Value (g/10 min) The material shall be dried for 4hr min

20、imum at 125 C in a mechanical convection oven immediately preceding the test. 4.2 COEFFICIENT OF LINEAR THERMAL EXPANSION 5.3 7.0 E-5 mm/mm/C (ISO 11359-2 TMA, temperature range -30 to 100 C) ENGINEERING MATERIAL SPECIFICATION WSS-M4D1053-A1/A2 Copyright 2014, Ford Global Technologies, LLC Page 4 of

21、 4 4.3 MOLD SHRINKAGE (Report test method used and specimen dimensions) 4.3.1 Molding Shrinkage 4.3.1.1 After 48 h at 23 +/- 2 C Report Value, % 4.3.2 Post Shrinkage (Separate specimens required for each test) report total shrinkage 4.3.2.1 After 48 h at 80 C Report Value, % 4.3.2.2 After 30 minutes

22、 at 120 C Report Value, % 4.4 IMPACT STRENGTH, CHARPY, notched, min (ISO 179/1eA, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 specimens for each test) 4.4.1 At 23 +/- 2 C 5 kJ/m2 4.4.2 At -40 +/- 2 C 5 kJ/m2 The test specimen must be conditioned for minimum of 6 hours at t

23、he 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. 4.5 POISSONS RATIO 0.38 (ISO 527-1 & ISO 527-2, 150 minimum x 10 x 4.0 mm specimen specimen A, test speed 1 mm/minute) 4.6 MATERIAL IDENTIFICATION FOR RECYCLING PURPOSES (ISO 1043/18064 latest) PC