{"id":3665,"date":"2026-04-27T20:20:21","date_gmt":"2026-04-27T13:20:21","guid":{"rendered":"https:\/\/smed.petra.ac.id\/?post_type=faculty-post&#038;p=3665"},"modified":"2026-04-27T20:20:21","modified_gmt":"2026-04-27T13:20:21","slug":"the-influence-of-the-morphology-and-size-of-aluminium-powders-on-their-oxidation-behaviour","status":"publish","type":"faculty-post","link":"https:\/\/smed.petra.ac.id\/en\/faculty-post\/the-influence-of-the-morphology-and-size-of-aluminium-powders-on-their-oxidation-behaviour\/","title":{"rendered":"THE INFLUENCE OF THE MORPHOLOGY AND SIZE OF ALUMINIUM POWDERS ON THEIR OXIDATION BEHAVIOUR"},"content":{"rendered":"<p>Aluminium (Al) is an active metal which will oxidise readily through a rapid formation of a natural oxide film of<br \/>\nalumina on the surface. This surface oxide film provides the corrosion resistance to the Al. A simultaneous thermal analysis<br \/>\nconsisting of thermogravimetry analysis\/differential scanning calorimetry (TGA\/DSC) on different morphology and size of Al<br \/>\npowders was carried out in air up to the temperature of 1600o<br \/>\nC. The study shows that the Al oxidation occurs in two stages,<br \/>\ni.e. the solid- and the liquid-state .The rate of the oxide film growth becomes more rapid at higher temperature. There is a<br \/>\nsignificant influence of the powders\u2019 morphology and size on the initial temperature in each stage of the oxidation process.<br \/>\nThe smallest Al-irregular powder (9 \u00b5m) r esults in the highest degree of oxidation (86%) followed by the coarse Al flakes<br \/>\n(73 \u00b5m), 85%, Al spherical sized 9 \u00b5m, 80%, and Al spherical of 56 \u00b5m, 46%<\/p>","protected":false},"author":27,"featured_media":0,"template":"","class_list":["post-3665","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>THE INFLUENCE OF THE MORPHOLOGY AND SIZE OF ALUMINIUM POWDERS ON THEIR OXIDATION BEHAVIOUR - 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\/the-influence-of-the-morphology-and-size-of-aluminium-powders-on-their-oxidation-behaviour\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"THE INFLUENCE OF THE MORPHOLOGY AND SIZE OF ALUMINIUM POWDERS ON THEIR OXIDATION BEHAVIOUR - Sustainable Mechanical Engineering and Design\" \/>\n<meta property=\"og:description\" content=\"Aluminium (Al) is an active metal which will oxidise readily through a rapid formation of a natural oxide film of alumina on the surface. This surface oxide film provides the corrosion resistance to the Al. 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