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On the role of interfacial reactions, dissolution and secondary precipitation during the laser additive manufacturing of metal matrix composites - A Review
Mertens, Anne; Lecomte-Beckers, Jacqueline
2016In Shishkovsky, I.V. (Ed.) New Trends in 3D Printing
Peer reviewed
 

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Keywords :
Metal matrix composites; Interfacial reactions; Solidification; Additive Manufacturing; Laser processing; LIMARC
Abstract :
[en] Since current trends in the transportation, energy or mechanical industries impose increasingly demanding service conditions for metallic parts, metal matrix composites (MMC) are the object of a growing interest. Powder-based laser additive manufacturing, that allows to make parts with complex shapes, appears particularly adapted for the production of MMCs. This paper reviews the current state-of-the-art in the production of MMCs by additive processes, with the aim of assessing the potentials and difficulties offered by these techniques. Two main processing routes are envisaged i.e. (1) the processing of ex-situ composites in which the reinforcing phase as a powder – often of ceramic particles − is directly mixed with the powder of the matrix alloy, and both powders are simultaneously processed by the laser. (2) Alternatively, the reinforcing phase can be produced in-situ by a chemical reaction during the fabrication of the composite. For both processing routes, a careful control is needed to overcome challenges brought e.g. by the behaviour of the reinforcement particles in the laser beam, by changes in laser absorptivity or by the dissolution of the reinforcing particles in the molten metal, in order to produce metal matrix composites with enhanced usage properties.
Disciplines :
Materials science & engineering
Author, co-author :
Mertens, Anne  ;  Université de Liège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Lecomte-Beckers, Jacqueline ;  Université de Liège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Language :
English
Title :
On the role of interfacial reactions, dissolution and secondary precipitation during the laser additive manufacturing of metal matrix composites - A Review
Publication date :
13 July 2016
Main work title :
New Trends in 3D Printing
Editor :
Shishkovsky, I.V.
Publisher :
Intech, Rijeka, Croatia
ISBN/EAN :
9789535146681
Pages :
187-213
Peer reviewed :
Peer reviewed
Available on ORBi :
since 11 March 2016

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