1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Ver 2 2011 01 07 N-STATUS Replaced by WSS-M4D993-B1 V. Cerato, SA 2008 08 19 Revised Revised 3.2.2, 4.2, 4.3, 4.5.1, 4.5.2, 4.6.1, 4.6.2 150 x 10 x 4 mm specimen specimen A) Test speed shall be 5 mm/minute for all materials. 050100150200250300
2、024681012Strain, %Stress,MPa- 40 C23 C140 CENGINEERING MATERIAL SPECIFICATIONWSS-M4D993-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 3 of 4 4.5 IMPACT STRENGTH, IZOD, minimum (ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen use center section of specimen A, 10 s
3、pecimens for each test) 4.5.1 At 23 +/- 2 C 9 kJ/m24.5.2 At -40 +/- 1 C 7 kJ/m2The 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 conducted o
4、utside, but within 5 seconds. 4.6 HEAT DEFLECTION TEMPERATURE, minimum (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.) 4.6.1 At 1.82 Mpa 190 C 4.7 WATER ABSORPTION, nominal 1.1% (ISO 62, 24 h immersion, 50 +/- 1 mm diam
5、eter, 3.2 +/- 0.2 mm thick specimen) 4.8 FLUID RESISTANCE, IMPACT STRENGTH (Paragraph 4.5, Coolant (WSS-M97B51-A1) 120 C, Engine oil (ASTM SF 105) 150 C, Fuel CE10 60 C) Fluid Resistance0510152025303540450 200 400 600 800 1000HoursImpactStrength, kJ/m2CoolantEngine oilFuel, CE10ENGINEERING MATERIAL
6、SPECIFICATIONWSS-M4D993-A Printed copies are uncontrolled Copyright 2011, Ford Global Technologies, LLC Page 4 of 4 4.9 MOLD SHRINKAGE (ISO 294-3 and 294-4, 60 x 60 x 2.0 +/- 0.1 mm Injection molded specimen) 4.9.1 Molding Shrinkage After 48 h at 23 +/- 2 C Flow direction 0.140% Cross Flow direction
7、 0.847% 4.9.2 Post Shrinkage (Separate specimens required for each test) After 48 h at 80 C Flow direction 0.064% Cross Flow direction 0.124% After 30 minutes at 120 C Flow direction 0.064% Cross Flow direction 0.041% 4.10 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, maximum 100 mm/minute The specime
8、n size required for material approval is 355 x 100 x 1.0 +/- 0.1 mm (use specimen C) with a smooth surface. 4.11 COEFFICIENT OF LINEAR THERMAL EXPANSION (ISO 11359-2 TMA), m/m C -30 to 30 C Flow direction 1.84 E-5 mm/ oC Cross-flow direction 9.64 E-5 mm/ oC 4.12 MATERIAL IDENTIFICAION FOR RECYCLING
9、PURPOSES PA 6-GF30 5. DESIGN PARAMETERS This information is provided for computer modeling inputs. Design parameter data must be determined from a lot of material where the manufacturing process is under statistical control. Once these parameters are established no annual recertification is necessary unless the process has shifted. A materials engineering representative may request individual retests on an “as needed“ basis. 5.1 POISSONS RATIO, 0.40Flow direction 5.2 YOUNGS MODULUS, MPa 10000 (ISO 527-2) Flow direction 5.3 CREEP MODULUS, MPa 3700 (1h) (ISO 899-1) 3150 (1000 h) Flow direction
