ASTM D3379-75 PDF

ASTM – 75 – Download as PDF File .pdf), Text File .txt) or read online. This standard is issued under the fixed designation D ; the number. ASTM D Standard Test Method for Tensile Strength and Young’s Modulus for High-Modulus Single-Filament Materials. 75th Edition, February 28, Download scientific diagram | Tensile test speciment ASTM D Figure 2. Set up for the fiber tensile test from publication: Application of taguchi method for .

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No chemical discharge was involved.

ASME proceedings, Volume In addition, the composite failure mode would be discussed. The surface free energy of PBO fiber was analyzed from the measured contact angles between each sample and five different liquid contact media, including n-hexadecane, dimethyl sulfoxide DMSOatsm glycol EGformamide and water.

PBO Fiber, PBO Composite Materials, – Fibre2Fashion – 2

Surface modification of PBO fiber by electrostatic discharge for composites. Some tools below are only available to our subscribers or users with an online account. We appreciate your input.

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Login to see your most recently viewed materials here. Each monofilament sample was mounted across a cardboard sample frame using a room temperature curing adhesive according to ASTM D The surface morphology of the treated PBO fibers has been examined by scanning electron microscopy and is shown in Figures 1.

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The surface morphology of PBO fiber both before and after the electrostatic discharge treatment was examined by scanning electron microscopy. By continuing to use our website, you are agreeing to our privacy policy. The Epon type epoxy was premixed with a hardener and delivered to PBO fiber using a syringe.

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The microbond specimens were pulled by MTS asstm testing machine at room temperature c3379-75 a crosshead speed of 0. Please read our License Agreement regarding materials data and our Privacy Policy. It replaces the multiple user names and passwords necessary to access subscription-based content with a single user name and password that can be entered once per session.

Interactive Graphics Video Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal.

In this paper, the effects of surface treatment on the modification of PBO fiber and its composite materials have been investigated using electrostatic discharge under atmospheric pressure. The degree of surface modification increased with the applied discharge voltage. The cured epoxy was then debonded in shear from PBO fiber by the jaws of a microvice. Much higher voltage would create unstable discharge that resulted sparks and could damage the fiber samples.

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It seemed that a thin layer of oxidized substance has been deposited on the surface. MatWeb is intended for personal, non-commercial use.

Results and discussion 3. If your institution uses Shibboleth authentication, please contact your site administrator to receive your user name and password. The tensile strength was then calculated from the ultimate load divided by the cross-sectional area. The distance between the discharge electrode and the samples was about 1.

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Or if you don’t have an account with us yet, then click here to register. Subscribe to Premium D3379-7 Searches: CNTs were functionalized with OH functional groups using chemical treatment. In addition, some unidirectional PBO fiber reinforced epoxy model composites were prepared from fiber strands.