Reply To: The strength of glue joints
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19 November 2015 at 10:18 pm
#132558
In the Mathias video he is testing the glue not the joint, that is why his gapped joint was stronger. His failure mode was the same every time meaning he was only stressing the glue and relying on the wood strength not at all. The gapped joint acted as a plastic hinge which allowed him to put more force in as the joint went plastic past the yield point of the glue. All His other tests failed at the approximate yield strength of the glue he was using. His test is flawed and should be taken with a grain of salt. The Fine woodworking tests are much better and more accurate.
- This reply was modified 8 years, 10 months ago by Ken Johnston.