{"id":3642,"date":"2026-04-27T20:09:27","date_gmt":"2026-04-27T13:09:27","guid":{"rendered":"https:\/\/smed.petra.ac.id\/?post_type=faculty-post&#038;p=3642"},"modified":"2026-04-27T20:09:27","modified_gmt":"2026-04-27T13:09:27","slug":"reinforcement-of-polypropylene-with-alkali-treated-sugarcane-bagasse-fibers-mechanism-and-consequences","status":"publish","type":"faculty-post","link":"https:\/\/smed.petra.ac.id\/en\/faculty-post\/reinforcement-of-polypropylene-with-alkali-treated-sugarcane-bagasse-fibers-mechanism-and-consequences\/","title":{"rendered":"Reinforcement of polypropylene with alkali-treated sugarcane bagasse fibers: Mechanism and consequences"},"content":{"rendered":"<p><a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/chemical-engineering\/polypropylene\">Polypropylene<\/a>\u00a0composites were prepared from neat and alkali-treated sugarcane\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/bagasse-fiber\">bagasse fibers<\/a>. The results showed that\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/alkali-treatment\">alkali treatment<\/a>\u00a0leads to an increase in composite stiffness and\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/materials-science\/mechanical-strength\">strength<\/a>. A maximum is achieved in these properties at around 5\u00a0wt% NaOH content of the treating solution. The increase in properties was assigned to the improvement in inherent fiber characteristics.\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/materials-science\/acoustic-emission-testing\">Acoustic emission testing<\/a>\u00a0and\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/materials-science\/electron-microscopy\">electron microscopy<\/a>\u00a0showed that the two main local\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/deformation-process\">deformation processes<\/a>\u00a0related to the fibers are their fracture and debonding; the latter is accompanied by the shear yielding of the matrix. Increased inherent strength of the fibers results in an increase in the\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/fracture-initiation\">fracture initiation<\/a>\u00a0stress and\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/fracture-energy\">fracture energy<\/a>\u00a0of the composites.\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/interfacial-adhesion\">Interfacial adhesion<\/a>\u00a0has a slight effect on stiffness, but more significant on strength and impact resistance. Changing adhesion modifies the relative importance of local deformation processes, the number of debonding events decreases, while\u00a0<a class=\"topic-link\" href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/fibre-fracture\">fiber fracture<\/a>\u00a0increases with increasing adhesion. Increased interfacial adhesion improves stress transfer and the load bearing capacity of the fibers as well, but suppresses matrix yielding. Alkali treatment increases inherent fiber strength, which can be directly correlated with composite strength<\/p>","protected":false},"author":27,"featured_media":0,"template":"","class_list":["post-3642","faculty-post","type-faculty-post","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Reinforcement of polypropylene with alkali-treated sugarcane bagasse fibers: Mechanism and consequences - Sustainable Mechanical Engineering and Design<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/smed.petra.ac.id\/en\/faculty-post\/reinforcement-of-polypropylene-with-alkali-treated-sugarcane-bagasse-fibers-mechanism-and-consequences\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Reinforcement of polypropylene with alkali-treated sugarcane bagasse fibers: Mechanism and consequences - Sustainable Mechanical Engineering and Design\" \/>\n<meta property=\"og:description\" content=\"Polypropylene\u00a0composites were prepared from neat and alkali-treated sugarcane\u00a0bagasse fibers. 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