American Journal of Mechanical and Materials Engineering

Archive

Volume 3, Issue 1, March 2019

  • Reviewing the Development of Natural Fiber Polymer Composite: A Case Study of Sisal and Jute

    Gbenga Ekundayo, Sam Adejuyigbe

    Issue: Volume 3, Issue 1, March 2019
    Pages: 1-10
    Received: 7 December 2018
    Accepted: 11 January 2019
    Published: 22 February 2019
    DOI: 10.11648/j.ajmme.20190301.11
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    Abstract: Natural fibers that are mainly from plants, animals and regenerated sources are degradable and environmentally friendly as they absorb carbon dioxide and release oxygen, they are cost effective when compare to the synthetic fibers. These materials mainly from plant are used initially for domestics’ purposes. They have recently been introduced to so... Show More
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  • A Practical Approach for Validation of Aptitude of Sized Carbon Fibers for the In-Mould -Impregnation Process

    Andre Ullmer, Tobias Kleffel, Zhanyu Zhai, Tobias Mattner, Dietmar Drummer

    Issue: Volume 3, Issue 1, March 2019
    Pages: 11-19
    Received: 7 January 2019
    Accepted: 19 February 2019
    Published: 14 March 2019
    DOI: 10.11648/j.ajmme.20190301.12
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    Abstract: As a new and innovative processing method for carbon fiber reinforced thermoplastic composites, the In-Mould-Impregnation process (IMI) adopts carbon fibers as a heating element by electrical conduction. During heating of the dry carbon fibers in the production process, temperatures up to over 500°C can occur. However, the surface properties of car... Show More
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  • Cause Analysis of Turbine Shaft Ultrasonic Flaw Detection Disqualification

    Wang Yongsheng, Sun Shengyu, Sun Xin, Guo Libo

    Issue: Volume 3, Issue 1, March 2019
    Pages: 20-24
    Received: 20 November 2018
    Accepted: 27 May 2019
    Published: 18 June 2019
    DOI: 10.11648/j.ajmme.20190301.13
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    Abstract: Heavy forging is a kind of large or deformed-size forge, used on marine, roller or power station roter. etc, which are fabricated by free forging or hydraulic compressor. The turbine shaft products, steel grade ASTM668E, rejected during ultrasonic inspection. Aiming at the problem of ultrasonic flaw detection disqualification, through Positioning s... Show More
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