ASTM D3164 Standard Test Method for Strength Properties of Adhesively Bonded Plastic Lap-Shear Sandwich Joints in Shear by Tension Loading

Strength properties of adhesively bonded plastic lap-shear sandwich joints in shear are determined by the ASTM D3164 test method by tension loading. ASTM D3164 is used to produce comparative shear strength data for joints produced from various polymers. It can also be a way to contrast different plastic surface treatments. ASTM D3164 is a standard test method used to compare joints of various substrates and adhesives. The ASTM D3164 test method is limited to test temperatures below the softening point of the subject adherends, and is not used on anisotropic adherends such as reinforced plastic laminates.


Introduction to ASTM D3164

The strength characteristics of adhesively bonded plastic lap-shear sandwich joints are evaluated using ASTM D3164 test method, in shear by tension loading. ASTM D3164 test method determines the adhesive’s resistance to tensile loads between two plastic substrates by applying tension pressures to the joint until it fails. The outcomes offer insightful information on the adhesive’s effectiveness and the joint’s overall durability. 

The ASTM D3164 test method is useful for generating comparative shear strength data for joints made from a number of plastics. ASTM D3164 can also provide a means by which several plastics surface treatments can be compared.

ASTM D3164 Test Procedure

Specimen SelectionThe ASTM D3164 test uses plastic specimens of appropriate dimensions and thickness, representing materials and bonding configurations. These specimens are flat, free from defects, and follow ASTM standard guidelines for size and shape.
Test Setup and ExecutionBonding plastic specimens involves cleaning surfaces, applying adhesive, and assembling lap-shear configurations. In adhesive cures, specimens are secured in a testing machine, and force is applied until joint failure occurs. Maximum force and failure modes are determined, and data is analyzed to determine failure type. Testing is repeated multiple times for repeatability and average values.

ASTM D3164 Test Specimens

Specimen DetailsThe ASTM D3164 test specimens are made of two plastic materials that are lap-sheared together and joined by an adhesive. The test’s objective is to assess the adhesive joint’s strength characteristics when subjected to tension loading.
Specimen DimensionsThe specimens are rectangular, measuring length, width, and thickness to meet standard requirements. They are carefully chosen to represent real-world bonding conditions, which vary depending on application and materials.

ASTM D3164 Test Results

The bond area is calculated to the nearest 0.06 cm² (0.01 in²). Record the load at failure and the type of failure. Calculate the failing stress in megapascals (MPa) or pounds-force per square inch (psi) of the shear area. Results are in average shear stress, but the maximum shear stress could be significantly different from this average, and the cleavage stresses in the joint might be even higher.

Tests Related to ASTM D3164Important tests relevant to ASTM D3164 include ASTM D907 (Terminology of Adhesives), ASTM D1002 (Test Method for Apparent Shear Strength of Single Lap-Joint Adhesively Bonded Metal Specimens by Tension Loading), and ASTM D2093 (Practice for Preparation of Surfaces of Plastics Prior to Adhesive Bonding).


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The turnaround time for astm d3164 test methodology depends upon the test procedure mentioned in the standard test document. However, we at MaTestLab understand your research requirements and hence try to get your test completed within the least possible time.

Where can I get the astm d3164 tested?

You can share your astm d3164 testing requirements with MaTestLab. MaTestLab has a vast network of material testing laboratories, spread across the USA and Canada. We support your all material testing needs ranging from specific astm d3164 test to various testing techniques.

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