Publication detail

Numerical modeling and experimental validation of the effect of arc distribution on the as-solidified Ti64 ingot in vacuum arc remelting (VAR) process

KARIMI-SIBAKI, E. KHARICHA, A. ABDI, M. LUDWIG, A. BOHÁČEK, J. VAKHRUSHEV, A. PREISS, B. WU, M.

Original Title

Numerical modeling and experimental validation of the effect of arc distribution on the as-solidified Ti64 ingot in vacuum arc remelting (VAR) process

Type

journal article in Web of Science

Language

English

Original Abstract

A numerical model coupling electromagnetic field and plasma arc impact with multiphase transport phenomena such as flow, heat transfer and solidification for the vacuum arc remelting (VAR) process is proposed. 3D simulations of the VAR process for refining a Titanium-based (Ti-6Al-4V) alloy are made. Different arc distributions (diffusive, constricted centric, constricted eccentric, and rotating arcs) under an axial magnetic field (AMF) are studied, focusing on their impact on the flow patterns and the resulting melt pool of the as-solidifying ingot. Simulation results show that diffusive arc leads to a shallow symmetrical melt pool; constricted centric and rotating arcs lead to electro-vortex flow and the symmetrical melt pool; constricted eccentric leads to electro-vortex flow as well, but the deepest non-symmetrical melt pool. (c) 2022 The Author(s). Published by Elsevier B.V. This is an open access article under the CC

Keywords

Numerical modeling; Axial magnetic field (AMF); Melt pool profile; Ti64 alloy ingot

Authors

KARIMI-SIBAKI, E.; KHARICHA, A.; ABDI, M.; LUDWIG, A.; BOHÁČEK, J.; VAKHRUSHEV, A.; PREISS, B.; WU, M.

Released

11. 5. 2022

Publisher

ELSEVIER

Location

AMSTERDAM

ISBN

2238-7854

Periodical

Journal of Materials Research and Technology

Year of study

19

Number

červenec

State

Federative Republic of Brazil

Pages from

183

Pages to

193

Pages count

11

URL

https://www.sciencedirect.com/science/article/pii/S2238785422006974

BibTex

@article{BUT180330,
  author="Ebrahim {Karimi-Sibaki} and Abdellah {Kharicha} and Mehran {Abdi} and Andreas {Ludwig} and Jan {Boháček} and Alexander {Vakhrushev} and Bernhard {Preiss} and Menghuai {Wu}",
  title="Numerical modeling and experimental validation of the effect of arc distribution on the as-solidified Ti64 ingot in vacuum arc remelting (VAR) process",
  journal="Journal of Materials Research and Technology",
  year="2022",
  volume="19",
  number="červenec",
  pages="183--193",
  doi="10.1016/j.jmrt.2022.05.036",
  issn="2238-7854",
  url="https://www.sciencedirect.com/science/article/pii/S2238785422006974"
}