Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Nagy El-Kaddah"'
Autor:
Nagy El-Kaddah, Laurentiu Nastac
Publikováno v:
Journal for Manufacturing Science and Production. 15:3-12
Casting at low superheat has a strong influence on the solidification morphology and macro- and microstructures of cast alloys. This paper shows the microstructure and microsegregation of cast Mg AZ31B alloy at superheat of 5°C, summarizes the multi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e98978872d83e83e613ca02a49314ea
https://doi.org/10.1515/jmsp-2014-0053
https://doi.org/10.1515/jmsp-2014-0053
Publikováno v:
Metallurgical and Materials Transactions B. 45:1834-1841
A model for predicting solidification and solute segregation of binary alloys undergoing electromagnetic stirring has been developed. A dual-zone formulation was employed to describe the velocity fields in the mushy region. The key feature of this mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00af4b233ad6e42bec812fb8c58097bf
https://doi.org/10.1007/s11663-014-0090-3
https://doi.org/10.1007/s11663-014-0090-3
Autor:
Nagy El-Kaddah, Gregory M. Poole
Publikováno v:
ISIJ International. 54:321-327
This paper examines the role of induction coil design on stirring of molten metal in electromagnetic (EM) solidification processes. A model is presented to describe the EM, heat transfer, and fluid flow phenomena in these processes. It is based on a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3961c4aaf65b1e78369a1ce76719cdce
https://doi.org/10.2355/isijinternational.54.321
https://doi.org/10.2355/isijinternational.54.321
Autor:
Gregory M. Poole, Nagy El-Kaddah
Publikováno v:
Metallurgical and Materials Transactions B. 44:1531-1540
A mathematical model for simulating the electromagnetic field and the evolution of the temperature and velocity fields during solidification of a molten metal subjected to a time-varying magnetic field is described. The model is based on the dual sus
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2248417b1a23a1aa1e59d177a8e53a2e
https://doi.org/10.1007/s11663-013-9944-3
https://doi.org/10.1007/s11663-013-9944-3
Autor:
Nagy El-Kaddah, Laurentiu Nastac
Publikováno v:
International Journal of Metalcasting. 7:39-48
It is well known that casting at low superheat has a strong influence on the solidification morphology and macrostructures and microstructures of the cast alloy. This paper shows the microstructure of cast Mg AZ31B alloy at superheat of 5C (41F) and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9772b0854e05149aa555710ca264b30
https://doi.org/10.1007/bf03355543
https://doi.org/10.1007/bf03355543
Autor:
T. T. Natarajan, Nagy El-Kaddah
Publikováno v:
Applied Mathematical Modelling. 28:47-61
This paper describes a fixed-grid methodology for the numerical simulation of electromagnetically driven flow in three-dimensional inductively stirred systems. It is based on a hybrid differential–integral formulation of the electromagnetic field t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67774e2e5dc8becbff3b05e31a6a7438
https://doi.org/10.1016/s0307-904x(03)00114-8
https://doi.org/10.1016/s0307-904x(03)00114-8
Autor:
Nagy El-Kaddah, T. T. Natarajan
Publikováno v:
Metallurgical and Materials Transactions B. 33:775-785
The magnetohydrodynamic (MHD) flow around a suspended particle in a liquid metal subjected to electric and magnetic fields can affect the force exerted by the applied electromagnetic field on the particle. In this article, a novel approach to the com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f6da1a1666904594bd5ea3291190a6e
https://doi.org/10.1007/s11663-002-0031-4
https://doi.org/10.1007/s11663-002-0031-4
Autor:
Laurentiu Nastac, Lifeng Zhang, Brian G. Thomas, Adrian S. Sabau, Nagy El-Kaddah, Adam C. Powell, Herve Combeau
Proceedings of a symposium sponsored by Association for Iron and Steel Technologyandthe Process Technology and Modeling Committee of the Extraction and Processing Divisionandthe Solidification Committee of the Materials Processing and Manufacturing D
Autor:
Nagy El-Kaddah, T. T. Natarajan
Publikováno v:
ISIJ International. 38:680-689
This paper describes a new method for solving coupled three-dimensional electromagnetic and fluid flow equations in induction systems and its application to electromagnetic stirring in continuous casting of steel. This method is based on the differen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb9f0aa39bd7c4fb9d32104133e42e56
https://doi.org/10.2355/isijinternational.38.680
https://doi.org/10.2355/isijinternational.38.680
Autor:
Nagy El-Kaddah, Laurentiu Nastac
Publikováno v:
Magnesium Technology 2013 ISBN: 9783319485799
Magnesium Technology 2013
Magnesium Technology 2013
It is well known that casting at low superheat has a strong influence on the solidification structures of the cast alloy. Recent studies on casting magnesium AZ alloys at low superheat using the Magnetic Suspension Melting (MSM) process have shown th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2ff17af72c4d1f964516f8b6cad518c
https://doi.org/10.1002/9781118663004.ch44
https://doi.org/10.1002/9781118663004.ch44