1971-02-01

High Strength versus Stress Relief In a Structural Bond 710108

In bonding two materials differing in coefficient of expansion, one must either contain the stresses due to temperature cycling using a rigid adhesive, or allow the two adherends to expand and contract freely using an elastomeric adhesive. An experiment is described which demonstrates the extent that stresses can be contained when a rigid adhesive is used to bond materials of greatly different coefficients of expansion.

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