Article (Scientific journals)
Influence of parameters during induction heating cycle of 7075 aluminium alloys with RAP process
Vaneetveld, Grégory; Rassili, Ahmed; Atkinson, Helen
2008In Solid State Phenomena, 141-143, p. 719-724
Peer reviewed
 

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Keywords :
AA7075 Aluminium Alloy; Hot tool; Semi-Solid; Solid Fraction; Thixoforging
Abstract :
[en] Thixoforging involves shaping alloys with a globular microstructure in the semi-solid state. To reach this kind of material, the Recrystallisation and Partial Melting (RAP) process can be used to obtain a globular microstructure from extruded material with liquid penetrating the recrystallised boundaries. Induction heating is used to apply the RAP process to slugs. One of the benefits of using this method of heating is the fast heating rate (20°C/s). This paper will help to improve heating parameters by showing their influence on 7075 aluminium alloy recrystallisation. These parameters are the heating rate; heating frequencies-power; presence or not of protective gas; position of the slug in the inductor; energy stored inside the slug; oxide layer on the slug side; chamfer of the slug upper corner.
Disciplines :
Materials science & engineering
Author, co-author :
Vaneetveld, Grégory ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Rassili, Ahmed ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Atkinson, Helen
Language :
English
Title :
Influence of parameters during induction heating cycle of 7075 aluminium alloys with RAP process
Alternative titles :
[en] Influence des paramètres durant un cycle de chauffage par induction d'un alliage d'aluminium 7075 avec le procédé de recristallisation et fusion partielle
Publication date :
July 2008
Journal title :
Solid State Phenomena
ISSN :
1012-0394
eISSN :
1662-9779
Publisher :
Trans Tech Publications, Zurich, Switzerland
Special issue title :
Semi-Solid Processing of Alloys and Composites
Volume :
141-143
Pages :
719-724
Peer reviewed :
Peer reviewed
Available on ORBi :
since 17 November 2010

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