1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2006 08 16 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.10 & 4 2000 05 30 Editorial No Technical Change APC 1987 07 03 Released SM/ER 1076 TC B. Hennessey Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1
2、of 5 HOSE, ETHYLENE/ACRYLIC (AEM) RUBBER REINFORCED WSD-M96D13-A - AUTOMATIC TRANSMISSION FLUID AND ENGINE OIL RESISTANT 1. SCOPE The material defined by this specification is an Ethylene/Acrylic Rubber hose, internally reinforced with one or more plies of braided textile. 2. APPLICATION This specif
3、ication was released originally for material used as automatic transmission and/or engine oil cooler hoses. The hose is resistant to long term exposure to automatic transmission fluids and/or engine oils up to 150 C and air temperatures up to 150 C. The hose is also capable of withstanding short ter
4、m oil temperatures up to 175 C. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 HOSE CONSTRUCTION The hose shall consist of an ethylene/acrylic r
5、ubber inner tube and outer cover with one or more layers of suitable braided reinforcing textile. The hose will usually be fitted with crimped metal end-fittings. 3.5 MATERIAL TESTING The following tests shall be performed on finished hoses and/or test specimens cut from them. The test specimens sha
6、ll be die-cut from the finished parts and buffed or slit to the required thickness where necessary. When not feasible, specimens cut from molded test slabs manufactured from the same material with an equivalent state of cure shall be used. The test slabs shall have the following dimensions: 150 x 15
7、0 mm, min x 2.0 +/- 0.2 mm 3.6 ORIGINAL PROPERTIES: - TUBE AND COVER MATERIAL 3.6.1 Hardness, International 70-80 (ASTM D 1415) 3.6.2 Hardness, Durometer A 70-80 (ASTM D 2240, instantaneous, plied-up specimens.) 3.6.3 Tensile Strength, min 10 MPa (ASTM D 412, Die C) ENGINEERING MATERIAL SPECIFICATIO
8、N WSD-M96D13-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 5 3.6.4 Elongation at Break, min 200% (ASTM D 412, Die C) 3.6.5 Modulus at 100% Elongation 7.0 to 8.5 MPa (ASTM D 412, Die C) 3.6.6 Tear Strength, min 40 kN/m (ASTM D 624, Die B) 3.6.7 Compression
9、Set, max 50% (ASTM D 395 Method B, 70 h at 150 +/- 2 C) 3.6.8 Ozone Resistance Rating 0 (FLTM BP 101-01) 3.7 AGED PROPERTIES 3.7.1 Heat Aged (ASTM D 573, 1000 h at 150 +/- 2 C) Hardness Change 0 to +15 Tensile Strength Change, max -20% Elongation at Break Change, max -60% Visual Evaluation No surfac
10、e tackiness or cracks when folded flat against itself. 3.7.2 Immersion in Currently Released Production Automatic Transmission Fluid (ASTM D 471, 168 h at 175 +/- 2 C, see para 5.1) Hardness Change, max -25 Tensile Strength Change, max -20% Elongation at Break Change, max -35% Modulus at 100% Elonga
11、tion 6.5 to 8.0 MPa Volume Change 0 to +30% Visual Evaluation No surface tackiness or cracks when folded flat against itself. ENGINEERING MATERIAL SPECIFICATION WSD-M96D13-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 5 3.7.3 Immersion in Currently Release
12、d Production Automatic Transmission Fluid (ASTM D 471, 1000 h at 150 +/- 2 C, see para 5.1) Hardness Change, max -25 Tensile Strength Change, max -30% Elongation at Break Change, max -50% Modulus at 100% Elongation 9.5 to 11.0 MPa Volume Change 0 to +55% Visual Evaluation No surface tackiness or cra
13、cks when folded flat against itself. 3.7.4 Immersion in Currently Released Production Engine Oil (ASTM D 471, 168 h at 175 +/- 2 C, see para 5.1) Hardness Change, max -25 Tensile Strength Change, max -20% Elongation at Break Change, max -35% Modulus at 100% Elongation 6.0 to 7.5 MPa Volume Change, m
14、ax +30% Visual Evaluation No surface tackiness or cracks when folded flat against itself. 3.7.5 Immersion in Currently Released Production Engine Oil (ASTM D 471, 1000 h at 150 +/- 2 C, see para 5.1) Hardness Change, max -25 Tensile Strength Change, max -30% Elongation at Break Change, max -50% Modu
15、lus at 100% Elongation 7.5 to 9.0 MPa Volume Change 0 to +30% ENGINEERING MATERIAL SPECIFICATION WSD-M96D13-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 4 of 5 Visual Evaluation No surface tackiness or cracks when folded flat against itself. 3.8 FINISHED PART
16、Hoses are to be tested with end-fittings installed. Each individual design of end-fitting to hose attachment shall be separately tested and approved. Differences in metal pipework configuration away from the end-fittings to hose attachments do not need individual approval. 3.8.1 Burst Strength, min
17、ASTM D 380) 3.8.1.1 Original 7.0 MPa 3.8.1.2 After ATF Recirculation 7.0 MPa for hose test (See Test Method to 10 mm I.D. Para. 3.9) 5.0 MPa for hose 11 to 20 mm I.D. 3.8.1.3 After Immersion in 5% Sodium 7.0 MPa Chloride Solution for 70 h at 90 +/- 2 C 3.8.2 Low Temperature Flexibility. Test Method
18、 Condition hose in a straight position for 24 h at -30 +/- 2 C then bend the hose around a similarly conditioned mandrel 10X the nominal Outside Diameter of the hose. Bending shall be completed within 1 s. 3.8.2.1 Original No breaks or cracks Burst test as 3.8.1.1 3.8.2.2 After Oil Recirculation No
19、 breaks or (Test Method Para.3.9) cracks Burst test as 3.8.1.2 3.8.3 End-Fitting Retention Force, min The hose shall be pulled axially from the end fitting at a rate of 50 mm/min and the maximum load recorded. 3.8.3.1 Original Test at 21 C 1.30 kN Test at 175 C 0.65 kN 3.8.3.2 After Oil Recirculatio
20、n (See Test Method Para.3.9) Test at 21 C 1.30 kN Test at 175 C 0.65 Kn ENGINEERING MATERIAL SPECIFICATION WSD-M96D13-A Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 5 of 5 3.9 OIL RECIRCULATION TEST METHOD This test shall be carried out using Automatic Transmiss
21、ion Fluid (ATF) or Engine oil depending on the final use of the hose. Approval will be given for use with either ATF or Engine oil. If the hose is to be used with both fluids, then this test must be carried out separately with both fluids. A 300 +/- 10 mm length of hose (with end fittings) shall be
22、connected into a fluid recirculation rig so that Automatic Transmission Fluid or Engine Oil (Use current first-fill production release fluid or oil, see para 5.1) can be circulated at a rate of 7 +/- 0.5 L/min at 150 +/- 2 C. The hose shall be placed in an oven at 150 +/- 2 C and fluid circulated fo
23、r 1000 +/- 2 h after which the oil temperature shall be raised to 175 +/- 2 C and the test continued for a further 70 +/- 2 h. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 For information on cur
24、rently approved engine coolants for use in this specification contact: Materials Laboratory 15/GM-DO1-D Transmission & Axle Engineering Research and Engineering Center Materials Engineering Ford Motor Company, Ltd Ford Motor Company Laindon, Basildon P.O. Box 2097 Essex SS15 6EE, England 36200 Plymo
25、uth Road Livonia, MI 48151, USA (Autom.Transmiss.Fluid Only) Materials Engineering Engine Materials Engineering Product Engineering Office Fuels & Lubricants Ford Motor Co. of Australia Ltd 21500 Oakwood Boulevard Princes Highway, Norlane EEE Building, Room A050 Victoria 3214, Australia Dearborn, MI 48121, USA (Engine Oil Only)
