Reducing Melt Surface Turbulence by Employing Surge and Filter in a Conventional Non-Pressurizing Gating System: Simulation and Experiment

• Autorzy: Baghani Amir , Kheirabi Ali , Bahmani Ahmad , Khalilpour Hamid

Identyfikatory

DOI

10.24425/amm.2021.135871

• Języki publikacji: EN

Abstrakty

EN

Tensile strength of aluminum castings has been improved by employing surge and filter in a conventional non-pressurizing gating system. For this purpose, three non-pressurizing bottom-gating systems were designed where the first design was a simple design with no filter and no surge, in the second design filter and in the third one surge was added to the end of runner. Tensile strength, Weibull module, scanning electron microscopy, chemical analysis, and melt pattern during the mold filling were thoroughly analyzed to compare these three designs. it was observed that employing filter and surge in the gating system reduces flow kinetic energy and consequently avoid surface turbulence and air entrainment, which leads to castings with fewer defects and higher reliabilities. Finally, it found that appropriate use of surge in the running system can be as effective as employing a filter in reducing melt front velocity.

Słowa kluczowe

EN

aluminum casting; filter; surge; oxide bifilms; failure analysis; Weibull module; mold filling simulation

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2021
• Tom: Vol. 66, iss. 2
• Strony: 397--405
• Opis fizyczny: Bibliogr. 43 poz., fot., rys., tab., wzory

Twórcy

autor

Baghani Amir

• University of Iowa Department of Mechanical Engineering, Iowa City, IA, USA

autor

Kheirabi Ali

• Iran University of Science and Technology School of Metallurgy and Materials Engineering, Tehran, Iran

autor

Bahmani Ahmad

• University of Tehran Department of Metallurgical and Materials Engineering, Iran

autor

Khalilpour Hamid

• Laval University, Department of Mining, Metallurgical and Materials Engineering, Québec, Canada

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).