Shear testing is performed to determine the shear strength of a material. It measures the maximum shear stress that may be sustained before a material will rupture. Shear is typically reported as MPa (psi) based on the area of the sheared edge. Shear testing is commonly used with adhesives and can be used in either a tensile or comprehensive method.

Shear strength testing can be carried out on a range of Lloyd Instruments materials testing machines together with NEXYGENPlus data analysis software when more comprehensive testing results are required.

Common standards for determining shear strength

• ASTM D198
• ASTM D732
• ASTM D1002
• ASTM D2295
• ASTM D3165
• ASTM D3166

Typical graph showing a shear strength test.

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