ASTM D() is used to measure the strength of a cured bond. This is a critical property of any adhesive, as they can exhibit unique shear properties. In this paper, the shear strengths of two acrylic adhesives were evaluated using the lap shear test method ASTM D and the block shear test method ASTM. ASTM D(). Standard Test Method for Determining Strength of Adhesively Bonded Rigid Plastic Lap-Shear Joints in Shear by.

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We use cookies to improve your browsing experience. By continuing to use our site, you accept our cookie policy. ASTM D is used to measure the strength of a cured bond. This is a critical property of any adhesive, as they can exhibit unique shear properties.

This particular standard addresses the shear properties of rigid plastic assemblies. It provides information to compare shear strength for different plastics and surface treatments. The test is run on rigid assembles bonded via a lap joint, causing the two ends of the specimen to be offset from the vertical load line of the test.


It is critical that the gripping solution can account for this in order to ensure a true shear force application. A stress is applied to the specimens at a rate of 8.

It is important to review ASTM D in order to fully understand the test setup, procedure, and results requirements.

They are designed with standard and optional features that increase testing efficiency and improve the testing experience for the operator.

Screw side-action grips provide a very simple and efficient method for holding test specimens in a wide range of applications. The dual – acting design of series grips means that jaw faces can be adjusted to accommodate different specimen thicknesses.

Instron ASTM D Plastic Lap-Shear Joints – Instron

This ensures that the line of tensile force remains concentric with the grip body. They can be equipped with a selection of interchangeable grip jaw faces in various sizes and choice of surfaces including smooth ground, rubber-coated and serrated.

Line contact and special coated faces are also available. Subscribe to Instron News! Check this box to receive pertinent asfm email from Instron focusing on products, upcoming events, and more!

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Lap Shear ASTM D, ASTM D Tests

The challenges of atm to this standard: Compliance with the standard Gripping materials of varying thickness Eliminating slippage throughout the test Our solutions: Gripping materials of varying thickness — When testing lap shear specimens, the lap joint results in offset specimen ends.

The advanced screw action grips can be adjusted to offset to ensure that the specimen remains centered in the load string.

For high strength materials, the 5 and 10 kN pneumatic grips feature an adjustable jaw face offset for irregular specimens, such as lap-shear or d363. Email addresses must contain the symbol.

Lap Shear Test

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