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Standard: BS EN ISO 9653 Adhesives – Test method for shear strength of rigid-to-rigid bonded assemblies by tensile loading.

BS EN ISO 9653 specifies a test method for determining the shear strength of rigid-to-rigid bonded assemblies by applying tensile loading. This standard is designed to assess the strength of adhesive bonds between rigid materials where the load is applied in such a way that it induces shear stress within the adhesive layer. It is particularly relevant for structural applications where adhesives are used to create durable connections between stiff components. The test typically involves a specific joint configuration (e.g., lap shear or similar) where a tensile force applied to the assembly creates a shear stress in the adhesive. The standard measures the maximum tensile force the assembly can withstand before the adhesive bond fails in shear. This provides crucial information on the adhesive’s ability to resist forces that try to slide the bonded components past each other, informing material selection and design for robust structural bonds.

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