FORD FLTM BV 122-1-2000 MANDREL BEND TEST FOR ADHESIVES AND SEALANTS (Replaces FLTM BV 022-01).pdf

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1、 FORD LABORATORY TEST METHOD BV 122-01 Date Action Revisions 2000 12 11 Revised Editorial no technical change A. Cockman 1998 09 01 Printed copies are uncontrolled Page 1 of 4 Copyright 2000, Ford Global Technologies, Inc. MANDREL BEND TEST FOR ADHESIVES AND SEALANTS Application This procedure is us

2、ed to determine the flexibility of heat-curing adhesive and sealant materials. Apparatus Required Oven Mechanical convection oven capable of obtaining 205 C metal temperature on CRLC steel (0.8 - 0.9 mm) within 8 - 10 minutes of insertion into chamber already at temperature. (Blue M Model No. POM-16

3、6a-GX or equivalent.) Template Refer to Figure 1. (May be made using steel, aluminum or suitable plastic.) Test Apparatus Refer to Figure 2, (painted or plated steel). Materials Required Test Panels CRLC steel body skin panels, 60 x 300 mm, prepared in accordance to FLTM BI 120-01. Conditioning and

4、Test Conditions All test values indicated herein are based on material conditioned in a controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % relative humidity for not less than 24 h prior to testing and tested under the same conditions unless otherwise specified. Procedure 1. Apply to six test panels

5、(substrates as indicated in the applicable Engineering Material Specification) a 200 mm long ribbon of the material under test using the template as shown in Figure 1. 2. Condition the specimens at 23 +/- 2 C for approximately ten minutes. FORD LABORATORY TEST METHOD BV 122-01 Page 2 of 4 Copyright

6、2000, Ford Global Technologies, Inc. 3. Cure three specimens in accordance with the minimum curing cycle and the other three specimens in accordance with the maximum curing cycle indicated in the applicable Engineering Material Specification. 4. Remove the specimens from the oven and condition at 23

7、 +/- 2 C for 4 h minimum. 5. Place specimen in the bending fixture with the test material on the side of the panel opposite the bottom roller (refer to Figure 2). Bend the panel through an angle of 90 in two seconds. The test should be performed in 23 +/- 2 C unless otherwise indicated in the Engine

8、ering Material Specification. 6. Examine material and report evidence of cracking, chipping, or loss of adhesion as required by the applicable Engineering Material Specification. Chemicals, materials, parts, and equipment referenced in this document must be used and handled properly. Each party is r

9、esponsible for determining proper use and handling in its facilities. FORD LABORATORY TEST METHOD BV 122-01 Page 3 of 4 Copyright 2000, Ford Global Technologies, Inc. MANDREL BEND TEST FOR ADHESIVES AND SEALANTS FIGURE 1 FORD LABORATORY TEST METHOD BV 122-01 Page 4 of 4 Copyright 2000, Ford Global Technologies, Inc. MANDREL BEND TEST FOR ADHESIVES AND SEALANTS FIGURE 2