نتایج جستجو برای: steel and polypropylene fibers

تعداد نتایج: 16870870  

2014
Joong Kyu Jeon WooSeok Kim Chan Ki Jeon Jin Cheol Kim

This study developed a macro-sized polyamide (PA) fiber for concrete reinforcement and investigated the influence of the PA fiber on flexural responses in accordance with ASTM standards. PA fibers are advantageous compared to steel fibers that are corrosive and gravitated. The macro-sized PA fiber significantly improved concrete ductility and toughness. Unlike steel fibers, the PA fibers produc...

Journal: :The Journal of the Society of Chemical Industry, Japan 1962

and M.A Golozar, H. Khabbazi, R. Bagheri,

Polypropylene (PP) has poor adhesion to metals and other surfaces for its chemical structure. Hence, chemical modification of PP is necessary for metal surface coating application. In this research, grafting of maleic anhydride (MA) onto co(propylene-b-ethylene) in the presence of a dicumyl peroxide (DCP) was accomplished in a single screw extruder. Characteristics of the modified polymer were ...

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