Urethane Shear

Elastomers in shear are generally used in mounting and suspension applications. Urethane elastomers deflect more easily in shear than in compression. Deflection of a urethane system in shear is a function of three things: the shear stress, the shear modulus – G – of the urethane compound, and the thickness of the urethane.

For bonded urethane applications used in shear, it’s pivotal that certain design guidelines are followed. When under shear loading, the bond line is in tension. By utilizing generous fillets, stress risers are eliminated or greatly reduced at the bonded interface.

In every application that would use the high shear strength of urethanes, the weakness is the dependence on a good bond between the urethane and metal. There are specific ways Gallagher has successfully overcome this weakness. Contact us to learn more.

Shear Strain

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Deflection

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Gallagher Corporation

Introductory Meeting

15 min

Let’s jump in… The best way for us to get to know your project, and for you to get to know our capabilities, is to schedule a quick, virtual Introductory Meeting with our polyurethane experts. This 15-minute meeting saves you the typical lag of back and-forth emails and jump-starts your project.

We encourage you to share visuals and invite the necessary people to this meeting. Talk soon!

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