ISO 14126 – In-Plane Compressive Properties of Fiber-Reinforced Plastic Composites

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ISO 14126 – In-Plane Compressive Properties of Fiber-Reinforced Plastic Composites

ISO 14126 describes the methodology for determining the in-plane compressive properties of fiber-reinforced plastic composites.

*** The standard describes two different methods for evaluating the properties:

Method 1: Provides for shear loading of the specimen

Method 2: Provides for end loading or mixed loading of the specimen

Ultimately, these two methods require two different test fixtures.

The more common method of the two is Method 1, which uses a Celanese-type fixture. Also, in both methods, the specimen gauge length is completely unsupported.

For the Method 1 test, the specimen is supported in the fixture and compressed, using hardened-steel compression anvils, along its major axis at constant rate of displacement

until the specimen fractures.

Because of the typically high forces that are recorded during this test, ParsRos recommends a Dual-Column Electromechanical Testing System.

Accurate strain measurement is required for making measurements such as compressive modulus or compressive failure strain.

Therefore, either a suitable extensometer or bonded resistance strain gauges are required for measuring axial strain throughout the test.

*** Before conducting ISO 14126 , it is important to read the entire specification. Standards can be obtained from appropriate standard authorities.

***PARSROS  offers several types of grips and fixtures which will enable you to perform a variety of tests

  that are accurate and repeatable.

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