Francis Delannay
Post-doctoral researcher
PhD UCL 1976

Main project: Modelling of sintering processes
Funding: UCL/IMAP
Multiscale modelling of viscous behaviour of porous cristalline aggregates during sintering processes and creep

IMMC main research direction(s):
Processing and characterisation of materials
Solid mechanics

metallic alloys
microstructure-processing relationships
particle methods

Research group(s): IMAP


Recent publications

See complete list of publications

Journal Articles

1. Delannay, Francis; Brassart, Laurence. Variational analysis of the influence of grain shape anisotropy on shear viscosity in Nabarro-Herring-Coble creep. In: Mechanics of Materials, Vol. 143, p. 103312 (2020). doi:10.1016/j.mechmat.2020.103312.

2. Jimenez-Mena, Norberto; Jacques, Pascal; Ding, Lipeng; Gauquelin, Nicolas; Schryvers, Dominique; Idrissi, Hosni; Delannay, Francis; Simar, Aude. Enhancement of toughness of Al-to-steel Friction Melt Bonded welds via metallic interlayers. In: Materials Science and Engineering: A, Vol. 740-741, p. 274-284 (2019). doi:10.1016/j.msea.2018.10.101.

3. Brassart, Laurence; Delannay, Francis. Bounds for shear viscosity in Nabarro–Herring–Coble creep. In: Mechanics of Materials, Vol. 137, p. 103106 (2019). doi:; 10.1016/j.mechmat.2019.103106.

4. Delannay, Francis; Brassart, Laurence. Strain rate dependence of the contribution of surface diffusion to bulk sintering viscosity. In: Journal of the American Ceramic Society, Vol. 102, no. 2, p. 736-747 (2019). doi:10.1111/jace.16058.

5. Delannay, Francis; Brassart, Laurence. Transient and asymptotic kinetics of mass transfer by coupled surface and grain boundary diffusion in sintering under strain rate control. In: Proceedings of the Royal Society A: Mathematical, Physical and Engineering Science, Vol. 474, no.2217, p. 20180104 (2018). doi:10.1098/rspa.2018.0104.

6. Simar, Aude; Mertens, Anne; Ryelandt, Sophie; Delannay, Francis; Brassart, Laurence. Mean-field model analysis of deformation and damage in friction stir processed Mg-C composites. In: Materials Science and Engineering: A, Vol. 723, p. 324-333 (2018). doi:10.1016/j.msea.2018.03.043.

7. Missiaen, Jean-Michel; Raharijaona, Jean-Joël; Delannay, Francis. Modeling the Capillary Pressure for the Migration of the Liquid Phase in Granular Solid–Liquid–Vapor Systems: Application to the Control of the Composition Profile in W-Cu FGM Materials. In: Metallurgical and Materials Transactions A - Physical Metallurgy and Materials Science, Vol. 47, no.11, p. 5569-5579 (2016). doi:10.1007/s11661-016-3702-5.

8. Delannay, Francis; Missiaen, Jean-Michel. Assessment of solid state and liquid phase sintering models by comparison of isothermal densification kinetics in W and W-Cu systems. In: Acta Materialia, Vol. 106, p. 22-31 (2016). doi:10.1016/j.actamat.2015.12.041.

9. Delannay, Francis. Influence of Dihedral Angle and Grain Coordination on Densification Rate During Intermediate and Final Sintering Stages. In: Journal of the American Ceramic Society, Vol. 98, no.11, p. 3469-3475 (2015). doi:10.1111/jace.13577.

10. Ryelandt, Sophie; Mertens, Anne; Delannay, Francis. Al/stainless-invar composites with tailored anisotropy for thermal management in light weight electronic packaging. In: Materials & Design, Vol. 85, p. 318-323 (2015). doi:10.1016/j.matdes.2015.06.178.


1. Delannay, Francis; Ryelandt, Sophie. Machinable Metallic Composites.

Conference Papers

1. Delannay, Francis; Brassart, Laurence. Modélisation de l’évolution du coefficient de viscosité déviatorique au cours de la densification par couplage de diffusion et de glissement aux joints de grains.

2. Delannay, Francis; Brassart, Laurence. A propos de la rhéologie de la superplasticité, du fluage diffusionnel, et de la viscosité de cisaillement en frittage. In: MATERIAUX2018-E-Book - Livre des abstracts, 2018, p. # MATERIAUX2018-1102.

3. Delannay, Francis; Brassart, Laurence. Influence de la diffusion à la surface des pores sur la viscosité de l’agrégat au cours des procédés de frittage rapide. In: MATERIAUX2018-E-Book - Livre des abstracts, 2018, p. # MATERIAUX2018-1100.

4. Mertens, Anne; Simar, Aude; Montrieux, Henri-Michel; Halleux, Jacques; Delannay, Francis; Lecomte-Beckers, Jacqueline. Friction Stir Processing of Magnesium Matrix Composites reinforced with Carbon Fibres: Influence of the Matrix Characteristics and of the Processing Parameters on Microstructural Developments. In: Proceedings of the 9th International Conference on Mg alloys and their Applications, 2012.

5. Missiaen, Jean-Michel; Delannay, Francis. Modélisation de la force motrice du frittage avec phase liquide de matériaux composites. In: Proceedings, 2010.

6. Delannay, Francis. Matériaux métalliques et hautes performances : quelques exemples de défis pour les esprits inventifs. In: Proceedings, 2008, p. 59-67.

7. Lassance, Denis; Fabrègue, Damien; Delannay, Francis; Pardoen, Thomas. Local approach to high temperature ductility modeling in 6XXX aluminium alloys. In: Fracture of Nano and Engineering Materials and Structures - Proceedings of the 16th European Conference of Fracture, 2006, p. 839-840.

8. Colin, C.; Delannay, Francis. Effect of shape accomodation on the equilibrium distribution of liquid in assemblies of WC/Co cermets. In: Proceedings, 2005, p. 188-191.

9. Jacques, Pascal; Pardoen, Thomas; Delannay, Laurent; Lacroix, Gauthier; Delannay, Francis. Critical Assessment of the Plasticity and Fracture Properties of TRIP-assistedMultiphase Steels. In: La revue de Métallurgie -ATS, 2005, p. 152-153.

10. Delannay, Laurent; Lani, Frédéric; Van Rompaey, T.; Pardoen, Thomas; Delannay, Francis. Modeling of the plastic deformation of multiphase metallic alloys with account of phase percolation and phase transition. In: Proceedings, Neat Press, 2005, p. 478-480.

Book Chapters

1. Delannay, Francis. Thermal Stresses and Thermal Expansion in Metal Matrix Composites. In: Metal Matrix Composites (Comprehensive Composite Materials II; xxx), Elsevier, 2018, 213-241. 978-0-12-803581-8. doi:10.1016/B978-0-12-803581-8.03874-1.

2. Delannay, Francis. Thermal stresses and thermal expansion in MMCs. In: Comprehensive Composites Materials , Elsevier, 2000, p. 341-369.

3. Delannay, Francis; Delmon, Bernard. Methods of catalyst characterization : an overview. In: Characterization of Heterogeneous Catalysts , Marcel Dekker Inc.: New York, 1984, p. 1 - 28. 0-8247-7100-1.

4. Delannay, Francis. Transmission electron microscopy and related microanalytical techniques. In: Characterization of Heterogeneous Catalysts , Marcel Dekker Inc.: New York, 1984, p. 71 - 123. 0-8247-7100-1.

5. Delannay, Francis; Lemaitre, Jacques; Menon, P.G.. The measurement of catalyst dispersion. In: Characterization of Heterogeneous Catalysts , Marcel Dekker Inc.: New York, 1984, p. 299 - 366. 0-8247-7100-1.

6. Langelaan, G.; Ryelandt, Sophie; Delannay, Francis; Van Houtte, Paul; Root, J.. Dertermination of the morphological texture of the fibres in composite materials made from textiles of AISI 316L fibres. In: Annual report 2003 NRC-CNRC , xxx, xxx, p. 42-43.


1. Delannay, Francis. Characterization of Heterogeneous Catalysts. Marcel Dekker Inc.: New York, 1984. 0-8247-7100-1. 419 pages.