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Testing Solutions » ISO » ISO 14129

ISO 14129 In-Plane Shear Stress/Shear Strain Response

Standard

  • ISO 14129

Materials

  • Composites

Business Sector

  • Aerospace and Suppliers
  • Automotive/Truck/Rail/Shipbuilding

Test Types

  • Tension
  • Shear

Specimen

  • Rectangular
Contact usView Accessories Catalog
2742-601_P
ISO 14129 Graph and Results
  • 2742-601_P
  • ISO 14129 Graph and Results
  • Description
  • Literature
  • Contact Us

ISO 14129 specifies a procedure for determining the in-plane shear stress/shear strain response, including the in-plane shear modulus and shear strength of fiber-reinforced plastic composites by the ± 45° tension test method. The method is suitable for use with thermoset and thermoplastic matrix laminates made from uni-directional layers and/or fabrics including uni-directional fabrics, with the fibres, oriented at ± 45° to the specimen axis, where the lay-up is symmetrical and balanced about the specimen mid-plane. Typically the specimens require to be strain-gauged to measure parallel and perpendicular and we would use our Expansion Channel Module for strain conditioning and output.

ISO 14129 describes how a test specimen consisting of a strip of rectangular cross-section with the fibres oriented at ± 45° to the specimen axis is loaded in tension. To determine the shear modulus the strains parallel and perpendicular to the specimen axis are measured. Composite materials are often used in aerospace, automotive, and energy applications, so it is critical to understand how much the material strength is affected under real-world conditions. For example, with the requirement to meet NADCAP, we can provide a working solution.

We recommend using either a 3300 or 5900 universal testing instruments with our dedicated Bluehill® 3 Software modules for this application, as it can easily be configured with any of the other common composite test applications, such as tensile, shear, flexure, and compression.

We provide a wide range of gripping solutions such as wedge action, pneumatic or hydraulic grips that could be used in this application depending on the material being tested. Additionally, we recommend reviewing the ISO 14129 in full to understand the test fixture and results requirements relevant to the materials you are testing.

6800 Series Universal Testing Systems

Instron 6800 Series Universal Testing Systems provide unparalleled accuracy and reliability. Built on a patent-pending Operator Protect system architecture with an all-new Smart-Close Air Kit and Collision Mitigation features, the 6800 Series makes materials testing simpler, smarter, and safer than ever before.

  • Products
  • 2/10/2020
  • 3.6 MB

Bluehill® Universal Software

Bluehill Universal Software is built from the ground-up for touch interaction and an intuitive user experience. Discover simpler and smarter testing with features such as pre-loaded test methods, QuickTest in seconds, enhanced data exporting: and Instron Connect – a new feature that provides a direct communication link to Service. Users of previous versions of software such as Bluehill 2 and Bluehill 3 can easily upgrade to the newest version of Bluehill.

  • Products
  • 2/26/2017
  • 4.4 MB

3400 Series Universal Testing Systems

Instron 3400 Series universal testing systems for tensile, compression, bend, and other material property tests.

  • Products
  • 1/27/2022
  • 11.6 MB

Expansion Channel Module for 5900 Series Testing Systems

The Expansion Channel Module, Model 2210-920, allows users to add up to eight channels of signal conditioning and control. As an add-on to a basic 5900 system -- configured for load, extension, and up to three additional channels -- the Expansion Module provides up to a total of 13 transducers for simultaneous monitoring, feedback, and control. (Bluehill® 3 required)

  • Products
  • 4/30/2020
  • 408.9 KB

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