Research Interests
Solidification science and advanced casting, welding, and additive manufacturing technologies
3D imaging and modelling of materials and processes
Multi-scale and multi-physics modelling of phase transformations
Characterization of microstructure and texture
Modelling of transport phenomena and processes
Recent Publications
Additive Manufacturing 55, 102824.
Microstructure evolution of Inconel 625 alloy during single-track Laser Powder Bed Fusion.
P Mohammadpour, H Yuan, AB Phillion (2022)
Computational Materials Science 206, 111251.
Fast prediction of phase equilibrium at varying temperatures for use in multi-component phase field models.
Z Li, M Greenwood, AB Phillion (2022)
Materials & Design 210, 110072.
Achieving homogeneity in a high-Fe b-Ti alloy laser-printed from
blended elemental powders.
FF Ahmed, SJ Clark, CLA Leung, L Stanger, J Willmott, S Marussi, V Honkimaki, N Haynes, HS Zurob, PD Lee, AB Phillion (2021)
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Research Highlights
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3D view of layered wide-gap brazement, post-infiltration, held for 60-minutes at 1205°C and b) isolated porosity revealed within the layered wide-gap brazement.
Cross-sectional view of braze infiltration into the MAR-M247 skeleton at various points: a) MAR-M247 skeleton, b) 1068°C, c) 1130°C and d) 1150°C; Red indicates “un-infiltrated” regions, whilst purple indicates “infiltrated” regions.
Resultant microstructure of a layered wide gap brazement brazed at 1205°C + 60-minute hold, revealing large 𝛾-Ni matrix grains, with athermally solidified eutectic constituents along the grain boundaries and junctions.
To observe the insitu agglomeration of the inclusions, experimental technique is established using HT-CSLM (High-temperature Confocal Scanning Laser Microscopy). We can calculate the attractive capillary forces existing between the inclusions.
A new model was developed in-house at McMaster University for simulating ladle refining reactions in Si-Mn killed steel considering the different reactions between steel, slag, and inclusions.
Predicting Microstructural Evolution in Metal Additive Manufacturing: Study of 3D Grain Structure in LPBF and Laser Rescanning Using Cellular Automata Simulations
TimeSteps-M-S1.00-fcv5
Inclusion behaviors at liquid steel-slag interface.
Effect of inclusion behaviors on the dissolution rate during dissolution process.
Area2a-CLS-LIBS-EPMA-20
Granular Model of Steel Solidification: Microstructure evolution at high fraction solid
Fractograph of a DP600 steel alloy tested at 1300˚C
Mushy zone granular deformation model
SLM-deposited Ti-185 for post-SLM X-ray diffraction characterization
Simulation of peritectic transformation using a
granular model of solidification
Grain cluster formation during solidification
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André Phillion | Professor | Department of Materials Science and Engineering
McMaster University | JHE 357 | 1280 Main St W | Hamilton ON | L8S 4L7