Medical Lab Testing: Shear Test
Shear testing measures a material’s resistance to forces that cause sliding or shearing between layers or along a plane. The test applies force parallel to the surface or through a punch to determine shear strength and failure mode. For medical manufacturers, shear strength is essential for connectors, laminates, composites, bonded assemblies, and coatings to ensure they remain intact under shear loads during use and assembly.
Shear failure can lead to delamination, loosening, or structural weakness in medical devices. Applus+ Reliable Analysis already maintains accredited shear testing capabilities, integrated with our tensile, flexural, and adhesive strength programs.
These evaluations support material qualification and design validation for medical components and assemblies. Manufacturers use shear data to verify bond integrity, composite performance, and overall mechanical reliability. Applus+ Reliable Analysis delivers accurate, reproducible results using equipment already operating daily under our ISO/IEC 17025 accreditation.
Common Shear Test Medical Testing Standards
ASTM D732 Standard Test Method for Shear Strength of Plastics
ASTM D732 determines the shear strength of plastics by punching a specimen with a punch tool and recording the maximum force required to shear the material. The test provides a measure of resistance to shear failure. It is widely used for medical plastics in connectors, housings, and structural components to ensure they can withstand shear loads without failure during use or assembly.
ASTM D2344 Short-Beam Strength of Polymer Matrix Composite Materials
ASTM D2344 measures the short-beam strength of polymer matrix composites using a three-point bending setup that induces interlaminar shear. The standard calculates apparent interlaminar shear strength from the maximum load. It is particularly valuable for reinforced medical composites and implants to evaluate the resistance to delamination under shear loading.
ASTM D732 / ISO 527 Correlation for Shear in Plastics
The combination of ASTM D732 shear testing with ISO 527 tensile data provides a comprehensive view of shear and tensile behavior in medical plastics. This correlation helps manufacturers understand material performance under multi-axial loading conditions encountered in device use and assembly.
ASTM F2255 Strength Properties of Tissue Adhesives in Shear
ASTM F2255 determines the shear strength of tissue adhesives by applying tension to a lap-shear specimen until failure. The standard measures the force required to break the adhesive bond in shear. It is relevant for medical tissue adhesives and bonded assemblies to ensure reliable shear performance in surgical applications.
Your Partner for Expert Medical Shear Testing
Applus+ Reliable Analysis stands ready to support your medical material shear strength testing needs. Our ISO/IEC 17025 accredited laboratory already maintains the necessary shear fixtures and tensile machines, allowing us to efficiently add these medical standards with only minor validation and training.
Whether you are qualifying bonded components, validating composites, or ensuring laminate performance, our team provides accurate and reliable data backed by decades of materials testing expertise. We invite you to Contact us to discuss how our expanded medical testing capabilities can support your next project or regulatory submission.
Additional Applus+ Reliable Analysis’ Commercial Medical Testing Capabilities
Whether it be material EMC, environmental, fabrication, or durability testing, Applus+ Reliable Analysis has a full lab of test equipment, which permits us to provide short lead times on scheduling. Our team strives to give our customers more time and energy on product development rather than testing.
Below is a list of common medical testing types that Reliable Analysis offers. Don’t see what you are looking for? Contact us, and we will determine the best course of action.
