Article (Scientific journals)
Study of a 2024 aluminium rod produced by Rotary Forging
Habraken, Anne; Bouffioux, Chantal; Carton, Marc et al.
2007In Journal of Materials Processing Technology, 184, p. 19-26
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Keywords :
Aluminium alloy; Micro–macro link; Rotary forging process; FEM simulations; Precipitation; Crack; LiMaRC - Liège Materials Research Center
Abstract :
[en] An investigation of the rotary forging process of a 2024 aluminium rod is summarised. Some dispersion in mechanical properties and chemical composition of the base material is permitted. Samples of two material batches were selected: one just stays near the upper limit of tolerance and the other has mean properties. Tensile and compression tests confirm the different mechanical behaviours and allow the identification of constitutive laws parameters. Optical metallography after T3 and T10 thermal treatments and differential thermal analysis provide the grain size and precipitation characteristics of each material batch, which explain their different mechanical behaviours. The industrial rod studied is usually forged in two operations: a first forging process, then a T10 thermal treatment followed by a second forging step. Industrial practise shows that manufacturing the rod with one forging step fails. FEM simulations of the process coupled with a fracture criterion confirm the advantage of a two-step process compared to a single forging step.
Disciplines :
Materials science & engineering
Author, co-author :
Habraken, Anne  ;  Université de Liège - ULiège > Département ArGEnCo > Département ArGEnCo
Bouffioux, Chantal ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Département Argenco : Secteur MS2F
Carton, Marc ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Lecomte-Beckers, Jacqueline ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Language :
English
Title :
Study of a 2024 aluminium rod produced by Rotary Forging
Publication date :
2007
Journal title :
Journal of Materials Processing Technology
ISSN :
0924-0136
Publisher :
Elsevier Science, Lausanne, Switzerland
Volume :
184
Pages :
19-26
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 30 June 2009

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