Blar i NTNU Open på forfatter "Akhtar, Shahid"
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Physical and Mechanical Properties of Graphene Nanoplatelets Reinforced Al6061-T6 Composites processed by Spark Plasma Sintering
Khan, Mahmood; Ud-Din, Rafi; Wadood, Abdul; Husain, Syed Wilayat; Akhtar, Shahid; Aune, Ragnhild Elizabeth (Peer reviewed; Journal article, 2020)Aluminium matrix composites with high specific strength are attracting attention for use in automobile and aerospace applications. Graphene nanoplatelets (GNPs) were added in 0.1, 0.5, and 1 weight fractions to an Al6061 ... -
Short- and Long-Term Aluminum Filtration Trials with Carbon-Bonded Alumina Filters
Voigt, Claudia; Hubálková, Jana; Bergin, Are; Fritzsch, Robert; Akhtar, Shahid; Aune, Ragnhild Elizabeth; Aneziris, Christos G (Peer reviewed; Journal article, 2022)In the present study, carbon-bonded alumina filters, normally used for the filtration of steel melts, have been investigated as a potential filter material for the filtration of aluminum. Short- and long-term pilot-scale ... -
Spark Plasma Sintering of Graphene Nanoplatelets Reinforced Aluminium 6061 Alloy Composites
Khan, Mahmood; Ud-Din, Rafi; Wadood, Abdul; Akhtar, Shahid; Husain, Syed Wilayat; Aune, Ragnhild Elizabeth (Chapter, 2020)Over the years, high performance lightweight aluminium matrix composites have, mainly due to their excellent mechanical properties, found wide applications in automobile and aerospace applications. In the present study, ... -
Study of controllable inclusion addition methods in Al melt
Yang, JiaWei; Bao, Sarina; Akhtar, Shahid; Li, Yanjun (Journal article; Peer reviewed, 2019)Ceramic Foam Filtration (CFF) is a widely used technique to remove inclusions from Al melt. To ensure sufficient inclusions in the melt during the grain refiners/filtration interaction, inclusion addition methods, such as ... -
Study of microstructure and mechanical behaviour of aluminium alloy hybrid composite with boron carbide and graphene nanoplatelets
Kahn, Mahmood; Din, Rafi Ud; Basit, Muhammad Abdul; Wadood, Abdul; Husain, Syed Wilayat; Akhtar, Shahid; Aune, Ragnhild Elizabeth (Peer reviewed; Journal article, 2021)Lightweight materials with superior designs and improved properties have always been in demand of the aerospace and automobile industries for improved performance. Spark plasma sintering was employed in the present study ... -
Titanium Carbide Coating on Graphene Nanoplatelets
Khan, Mahmood; Ahmad, Salman; Zaidi, Sarim; Wadood, Abdul; Subhani, Tayyab; Akhtar, Shahid; Husain, Syed Wilayat; Aune, Ragnhild Elizabeth (Peer reviewed; Journal article, 2020)Titanium carbide was formed on graphene nanoplatelets (GNPs) using potassium hexa-fluorotitanate (K2TiF6) salt in the presence of pure aluminium. K2TiF6 - GNPs mixture with titanium to carbon ratio of 5:1 was heated at a ... -
Valorization of aluminum dross with copper via high temperature melting to produce al-cu alloys
Kudyba, Artur; Akhtar, Shahid; Johansen, Inge; Safarian, Jafar (Peer reviewed; Journal article, 2021)The valorization of aluminum dross for Al recovery was performed via its mixing with metallic copper to produce Al-Cu alloys. This approach was with the intention of establishing a new smelting process to treat the dross ... -
Verification of Experimentally Determined Permeability and Form Coefficients of Al2O3 Ceramic Foam Filters (CFF) at High and Low Flow Velocity Using a CFD Model
Hassanabadi, Massoud; Kennedy, Mark W.; Akhtar, Shahid; Aune, Ragnhild E. (Journal article, 2018)Filtration using Ceramic Foam Filters (CFFs) is a method widely used to separate inclusions from molten aluminium. In the present work, the specific permeability and form drag coefficients of nominal 50 mm thick commercial ...