<em>In-situ </em> fiber push-out tests with the Hysitron PI 88 SEM PicoIndenter
16 Jul 2023In this application note, Bruker Nano utilizes the Hysitron® PI 88 SEM PicoIndenter® equipped with the 800°C heating option to characterize the interfacial strength between individual carbon fibers and the surrounding polyamide matrix, as a function of temperature.
Carbon fiber reinforced polymer composites (CFRPs) possess outstanding mechanical properties including high stiffness, high strength-to-weight ratios, and the ability to withstand dynamic loading in service without catastrophic failure. As a result, CFRPs excel as structural components in numerous applications, especially in the aerospace industry where they are quickly replacing heavier metallic components. The mechanical strength of a composite is a combination of the mechanical properties of the constituent fiber and matrix materials, as well as the strength of the interface between them.
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Hysitron PI 89
Bruker Nano Surfaces and MetrologyThe Hysitron PI 89 SEM PicoIndenter leverages the advanced imaging capabilities of scanning electron microscopes (SEM, FIBSEM, PFIB), making it possible to perform quantitative nanomechanical testing while simultaneously imaging. Enabled testing techniques include nanoindentation, tensile testing, pillar compression, particle compression, cantilever bending, fracture, fatigue, dynamic testing, and mechanical properties mapping.