A. La Fontaine | Researchain

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Featured researches published by A. La Fontaine.

Journal of Applied Physics | 2010

Influence of surface migration on the spatial resolution of pulsed laser atom probe tomography

Baptiste Gault; M. Müller; A. La Fontaine; Michael P. Moody; A. Shariq; A. Cerezo; Simon P. Ringer; G.D.W. Smith

The impact of laser pulsing on the field evaporation process is investigated for Al and W by pulsed laser atom probe tomography. Quantitative analysis reveals the influence on the spatial resolution of the peak temperature reached by the specimen following light absorption from the laser pulse. It is concluded that surface migration processes induce significant degradation of the lateral resolution, changing by 100% and 20%, respectively, for Al and W when the specimen temperature is increased from 4% to 7% of the material’s melting point, while the in-depth resolution is shown to remain nearly constant for both materials.

Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science | 2010

Effect of Al and Gd Solutes on the Strain Rate Sensitivity of Magnesium Alloys

Nicole Stanford; I. Sabirov; G. Sha; A. La Fontaine; Simon P. Ringer; Matthew Barnett

Materials Characterization | 2006

Compositional distributions in classical and lead-free brasses

A. La Fontaine; V. J. Keast

Acta Materialia | 2010

Elemental partitioning of platinum group metal containing Ni-base superalloys using electron microprobe analysis and atom probe tomography

J.S. Van Sluytman; A. La Fontaine; Julie M. Cairney; Tresa M. Pollock

Acta Materialia | 2007

Variability in the segregation of bismuth between grain boundaries in copper

V. J. Keast; A. La Fontaine; J. du Plessis

Metallurgical and Materials Transactions A-physical Metallurgy and Materials Science | 2009

Atom Probe Tomography of Solute Distributions in Mg-Based Alloys

Nicole Stanford; G. Sha; A. La Fontaine; Matthew Barnett; Simon P. Ringer

Metallurgia Italiana | 2009

EFFECT OF PRE-STRAINING AND BAKE HARDENING ON THE MICROSTRUCTURE AND MECHANICAL PROPERTIES OF CMnSi TRIP STEELS

Lai-Chang Zhang; Ilana Timokhina; A. La Fontaine; Simon P. Ringer; Peter Hodgson; Elena V. Pereloma

Corrosion Science | 2018

Performance of an FeCrAl alloy in a high-temperature CO 2 environment

Ingrid McCarroll; A. La Fontaine; Thuan Dinh Nguyen; A.F. Smith; Jianqiang Zhang; D. J. Young; Julie M. Cairney

Chemical Geology | 2018

Atom probe tomography analysis of the reference zircon gj-1: An interlaboratory study

F. Exertier; A. La Fontaine; C. Corcoran; Sandra Piazolo; E. Belousova; Z. Peng; Baptiste Gault; David W. Saxey; Denis Fougerouse; Steven M. Reddy; Stella Pedrazzini; Paul Alexander J. Bagot; Michael P. Moody; B. Langelier; Desmond E. Moser; G.A. Botton; F. Vogel; G.B. Thompson; P.T. Blanchard; A.N. Chiaramonti; D.A. Reinhard; K.P. Rice; Daniel K. Schreiber; K. Kruska; J. Wang; Julie M. Cairney

Archive | 2017

Re-Os Geochronology of Sub-Micrometre Meteoritic Alloys Through Atom Probe Microscopy

L. Daly; P. A. Bland; Svetlana Tessalina; David W. Saxey; Steven M. Reddy; Denis Fougerouse; William D.A. Rickard; L.V. Forman; Patrick Trimby; L. Yang; A. La Fontaine; Julie M. Cairney; Simon P. Ringer; Bruce F. Schaefer

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