P Chapelle, JP Bellot, H Duval, A Jardy… - Journal of Physics D …, 2001 - iopscience.iop.org
As part of a complete theoretical description of the behaviour of the electric arc in the vacuum arc remelting process, a model has been developed for the column of plasma …
PO Delzant, P Chapelle, A Jardy, A Matveichev… - Metals, 2022 - mdpi.com
Vacuum Arc Remelting is an important method of processing reactive and refractory liquid metal alloys, including titanium and zirconium alloys. Recent measurements of the electric …
H El Mir, A Jardy, JP Bellot, P Chapelle… - Journal of Materials …, 2010 - Elsevier
The thermal behaviour of the consumable electrode is studied using both experimental measurements and mathematical modelling. Infrared thermography measurements …
In this investigation, the characteristics of dynamic recrystallization (DRX) in five Zr-alloys, namely, commercial pure zirconium (CP-Zr), Zircaloy-2 (Zr–Sn), Zr-2.5 Nb (Zr–Nb), Zr-2.5 Nb …
P Chapelle, C Noël, A Risacher, J Jourdan… - Journal of Materials …, 2014 - Elsevier
High-speed camera imaging and optical emission spectroscopy have been used for investigating the structure of the electric arc and the transfer mechanisms of the liquid metal …
PO Delzant, P Chapelle, A Jardy, J Jourdan… - Journal of Materials …, 2019 - Elsevier
Understanding the arc dynamics during VAR is important for controlling the final quality of the ingot, as the spatial and temporal distribution of the arc dictates the electric current and …
P Chapelle, T Czerwiec, JP Bellot… - Plasma Sources …, 2002 - iopscience.iop.org
The plasma produced during vacuum arc remelting of a Zircaloy4 electrode has been investigated by optical emission spectroscopy. Spatial variations of plasma emission along …
A Jardy, P Chapelle, A Malik, JP Bellot… - ISIJ …, 2013 - jstage.jst.go.jp
The present study aims to understand the melting of the consumable electrode in the VAR process and gain some insight into the influence of an ensemble arc motion on the melting …