Adhesive Tests

  • Thread starter Adam12
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  • #1
Adam12
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Hey, does anyone know a backyard method for testing adhesive strength?

Need to compare the strength of things like sellotape/masking tape.

Cheers
A
 

Answers and Replies

  • #2
PerennialII
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How about something like shear lap joints ?

http://www.sintef.no/content/page1____5519.aspx [Broken]
 
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  • #3
Adam12
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Cheers PerennialII, but doesn't that add a new dimension of shear force into it? Looks tricky too...
 
  • #4
PerennialII
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It's a 'classic' used quite a bit in testing shear behavior of adhesives, solders etc or joint strength overall. The shear profile over the adhesive is somewhat complex near the 'edges', but controllable. So suppose it bears down to what properties you want to extract, for adhesive typically shear tests, for bare tape can do "plain" tensile tests, or want to know the joint strength, which is affected by both the adhesive and the tape?
 
  • #5
Adam12
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Hmm, what about the "plain" tensile test?
 
  • #6
PerennialII
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That would be straightforward .... make a load frame of sorts and load it by weights for easiest possible instrumentation, some info and principles :

http://www.instron.us/wa/applications/test_types/tension/default.aspx
http://www.mts.com/Insight/index.asp

.... just always with these things got to make sure the result you measure is what you actually want (referring to what information / what material's or joint information you want to study).
 
  • #7
Adam12
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Dude, thanks so much.

Cheers
A
 

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