Tensile Testing Composite Mesh
Composites are engineered materials comprised of two individual materials, each with different chemical or physical properties. Used in a wide variety of applications, composites can be designed to exhibit specific material properties that can not be achieved by one material acting alone. In this testing solution, a mesh composite used for making drum heads, was tested in tension to determine the material properties.
Based on testing done in the lab, we recommend a universal testing machine configured with a 5kN load cell and either pneumatic wedge or side action grips. Since the material properties of composites change depending on the materials, the recommended frame and load cell capacity may vary. We used pneumatic side action grips because they provided the constant claiming force required to hold the specimen in place. In addition, we found that when the pneumatic side action grips were configured with wave profile faces it helped to distribute the applied pressure over a large area, resulting in a lower concentration of clamping force and reducing premature failure. When testing composites, we have found that orientation of fibers in the composite have a dramatic effect on mechanical behavior; therefore, precise alignment is critical where slight difference in angle can alter your testing results.
In conclusion, these results show that the gripping techniques were able to accurately measure material properties through failure in each specimen. Due to the variety of composites available this testing solution may not be appropriate for all composites.
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.
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3300 Series - Affordable Testing Solutions
Instron 3300 Series Universal Testing Systems for Tensile, Compression, Bend, and other material property tests.
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5900 Series Premier Testing Systems Brochure
5900 Universal Testing Systems are engineered for precision, built for durability, and offer the flexibility for changing requirements. They are designed with standard and optional features that increase testing efficiency and improve the testing experience for the operator. A wide range of models are available for testing capacities from < 100N up to 600kN.
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2716-111 & 2716-121 Wedge Action Grips & Jaw Faces
The Pneumatic Wedge Action Grips, available in 100 or 200 kN, provide a convenient method of clamping both large round and flat specimen shapes, up to a 50 mm (2 in) diameter, or flat specimens up to 40 mm (1.57 in) thick respectively. V-face grips are used for round specimens by design and have a reduced area at the center that compromises their ability to absorb high-energy breaks without fracture. This grip uses a split V-face configuration that allows the break energy to be dissipated without damaging the faces.
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- 8/20/2014
- 147.8 KB