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    FORD FLTM BN 113-1-2001 BOND STRENGTH OF TRIM ASSEMBLIES (Replaces FLTM BN 013-01).pdf

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    FORD FLTM BN 113-1-2001 BOND STRENGTH OF TRIM ASSEMBLIES (Replaces FLTM BN 013-01).pdf

    1、FORD LABORATORY TEST METHOD BN 113-01 2001 O924 2000 03 07 BOND STRENGTH OF TRIM ASSEMBLIES Revised Editorial - no technical change A. Cockman Revised Editorial - no technical change A. Cockman Application This procedure is used to evaluate the bond strength of trim assemblies manufactured by a heat

    2、 bonding process. Apparatus Required Tensile Machine The tensile testing machine shall have a full scale range of O - 50 N with an accuracy of +/- 1 % in load indication. Humidity Cabinet Maintained at 98 +/- 2 % relative humidity and 38 +/- 2 OC. Cold Box -35 +/- 1 OC. Oven A mechanical convection

    3、oven capable of maintaining 85 +/- 2 “C and 105 +/- 2 OC. Conforming to IS0 188/ASTM E 145 Type IIA normal oven, 150 +/- 50 air changes per hour. Conditioning and Test Conditions All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 “C and 50 +/- 5

    4、 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. Procedure Samples of the materials used in the assembly are bonded under specified conditions. The bond strength of the materials is determined in a tensile test machine befo

    5、re and after an accelerated aging cycle of heat, cold and humidity. A properly bonded assembly will exhibit no greater loss in bond strength after aging than that permitted by the Engineering specification. I Date I Action I Revisions I 1995 0929 I I CopyrightO2001, Ford Global Technologies, Inc FOR

    6、D LABORATORY TEST METHOD BN 113-01 Bonding of Samples Prepare bonded test assemblies that meet the Engineering Material Specification. The assembly shall consist of the approved trim cover, molding, bonding, padding, adhesive, subfoundation and/or foundation board materials as used in production ass

    7、emblies in which the material being evaluated will be employed. Dielectric Bonding Conditions (when used) For each test, bond the assembly, using a 2.4 mm wide aluminum or brass die bar, using a pressure range of 862 - 2068 kPa at 3000 R.F. volts (peak) minimum at 13.5 megacycles or 2400 R.F. volts

    8、(peak) minimum at 24 megacycles for no more than 12 s and hold under pressure for no more than 10 s. Sample Size Samples shall be cut so that a strip 200 mm long (min) and 25 mm widecan be tested. Original Bond Strength 1. Hand separate the bonded components to allow insertion of the ends in the jaw

    9、s of the tensile machine, allowing an initial jaw separation of 25 mm or more (if required). 2. Peel the strip back upon itself, as shown in Figure 1 using a jaw movement speed of 300 mm/minute. 3. Determine the bond strength in N per IS0 61 33 and note the nature ofseparation. Cycled Bond Strength

    10、1. Prepare test specimen as described under Bonding of Samples. 2. Age the samples tested for bond strength above by subjecting them tothe following cycle: (a) (b) (c) 4 h in the humidity cabinet at 98 +/- 2 % relative humidity and 38 +/- 2 OC. 4 h or overnight (16 h max) in the cold box at -35 +/-

    11、1 OC. 4 h in an oven at 85 +/- 2 OC. 3. After cycling, condition the samples for 1 h at 23 +/- 2 “C and 50 +/- 5 % relative humidity. 4. Determine bond strength (see Original Bond Strength). Wet Bond Strength 1. Prepare test specimen as described under Bonding of Samples. 2. Immerse the test specime

    12、n in tap water at 23 +/- 2 “C for 24 h. Page 2 of 4 Copynght02001, Ford Global Technologies, Inc FORD LABORATORY TEST METHOD BN 113-01 3. Remove from water and immediately determine bond strength (no conditioning) (see Original Bond Strength). Steamed Bond Strength 1. 2. Prepare the test specimen as

    13、 described under Bonding of Samples. Immerse the test specimen in tap water at 23 +I- 2 “C for 4 h. 3. Remove the test specimen from the water and immediately place in anoven at 105 +/- 2 “C for 1 h. 4. Remove the specimen from the oven and condition the sample for 30 minutes at 23 +/- 2 “C and 50 +

    14、/- 5 % relative humidity. 5. Determine bond strength (see Original Bond Strength). Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is responsible for determining proper use and handling in its facilities. Page 3 of 4 Copynght02001, Ford Global Technologies, Inc FORD LABORATORY TEST METHOD BN 113-01 BOND STRENGTH OF TRIM ASSEMBLIES Figure 1 TRIM COVER (UPPER) Page 4 of 4 Copynght02001, Ford Global Technologies, Inc


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