Gregory A. Sweet

Post Doctoral Fellow

Main Area of Research:

Alloy and process development in additive manufacturing processes.

Education:

Ph.D. (Materials Engineering) - Dalhousie University, 2019
M.A.Sc. (Materials Engineering) - Dalhousie University, 2014
B.Eng (Materials Engineering) - Dalhousie University, 2012

Work Experience:

Dalhousie University – Teaching Assistant (MATL3510, MATL4806/6806 & MATL4710, MATL4812)
Steel Dynamics Inc. – Process Metallurgist Intern (Ladle Metallurgy Furnaces), 2011
Dalhousie University – Undergraduate Research Assistant (Co-Op), 2010

Research Contributions:

1. G.A.W. Sweet, B.S. Amirkhiz, B.W. Williams, A. Taylor, R.L. Hexemer, I.W. Donaldson, D.P. Bishop, Microstructural evolution of a forged 2XXX series aluminum powder metallurgy alloy, Mater. Charact. 151 (2019) 342–350.
   doi:10.1016/j.matchar.2019.03.033.
2. G.A. Sweet, R.L. Hexemer, I.W. Donaldson, A. Taylor, D.P. Bishop, Powder metallurgical processing of a 2xxx series aluminum powder metallurgy metal alloy reinforced with AlN particulate additions, Mater. Sci. Eng. A. (2019).
   doi:10.1016/j.msea.2019.03.122.
3. G.A. Sweet, B.W. Williams, A. Taylor, R.L. Hexemer, I.W. Donaldson, D.P. Bishop, A microstructural and mechanical property investigation of a hot upset forged 2XXX series aluminum powder metallurgy alloy reinforced with AlN, Submitted to Materials Science and Engineering: A, 2019.
4. G.A.W. Sweet, M.A. Wells, A. Taylor, R.L. Hexemer, I.W. Donaldson, D.P. Bishop, Thermal mechanical processing of press and sinter Al-Cu-Mg-Sn-(AlN) metal matrix composite materials, Metals (Basel). 8 (2018) 480.
   doi:10.3390/met8070480.
5. L.P. Prisco, M. Marzano, P.I. Pontón, A.M.L.M. Costa, C.A. da Costa Neto, G. Sweet, C.P. Romao, M.A. White, B.A. Marinkovic, Relationship between sintering methods and physical properties of the low positive thermal expansion material Al₂W₃O₁₂, Int. J. Appl. Ceram. Technol. (2018).
   doi:10.1111/ijac.13054.
6. B.F. Trueman, G.A. Sweet, M.D. Harding, H. Estabrook, D.P. Bishop, G.A. Gagnon, GALVANIC CORROSION OF LEAD BY IRON (OXYHYDR)OXIDES: POTENTIAL IMPACTS ON DRINKING WATER QUALITY, Environ. Sci. Technol. (2017) acs.est.7b01671.
   doi:10.1021/acs.est.7b01671.
7. G.A. Sweet, M. Brochu, R.L. Hexemer, I.W. Donaldson, D.P. Bishop, Consolidation Of Aluminum-Based Metal Matrix Composites Via Spark Plasma Sintering, Mater. Sci. Eng. A. 648 (2015).
   doi:10.1016/j.msea.2015.09.027.
8. S. Rudinsky, J.M. Aguirre, G. Sweet, J. Milligan, D.P. Bishop, M. Brochu, Spark plasma sintering of an Al-based powder blend, Mater. Sci. Eng. A. 621 (2015) 18–27.
   doi:10.1016/j.msea.2014.10.056.
9. G.A. Sweet, M. Brochu, R.L. Hexemer, I.W. Donaldson, D.P. Bishop, Microstructure and mechanical properties of air atomized aluminum powder consolidated via spark plasma sintering, Mater. Sci. Eng. A. 608 (2014) 273–282.
   doi:10.1016/j.msea.2014.04.078.
10. G.A. Sweet, S. Ferenczy, W.F. Caley, G.J. Kipouros, Additions of Salt Cake and KAlF4 from Aluminum Production to Steelmaking Slags, High Temp. Mater. Process. 31 (2012).
    doi:10.1515/htmp-2012-0090.
11. G. A. Sweet, B.W. Williams, A. Taylor, R. L. Hexemer Jr, I. W. Donaldson, D. P. Bishop. (2017) Development of a process to investigate the mechanical properties of a powder forged aluminum alloy. Conference Proceedings, POWDERMET2017, Las Vegas, USA
12. R.W. Cooke, G. A. Sweet, I. W. Donaldson, D. P. Bishop (2016) Processing of an Al-Sc-Zr alloy via spark plasma sintering and hot forging. Conference Proceedings, World PM2016 Congress and Exhibition, Hamburg, Germany
13. Sweet GA, Bishop DP (2015) Consolidation of aluminum-based metal matrix composites via spark plasma sintering. Oral presentation. Canadian Materials Science Conference, Halifax, Nova Scotia
14. G. A. Sweet, M. Brochu, R. L. Hexemer Jr, I. W. Donaldson, D. P. Bishop. (2014) Effects of transition metal additions on the spark plasma sintering response of aluminum powders. Conference Proceedings, PM2014 World Congress, Orlando USA
15. Sweet GA, Ferenczy S, Caley WF, Kipouros GJ. (2011) The modification of steelmaking slags by mixtures of salt cake and spent salts from aluminum production. Oral Presentation. 2011 Materials Science & Technology Conference, Columbus, Ohio
16. Sweet GA, Walker DC, Caley WF, Kipouros GJ. (2010) The modification of steelmaking slags by mixtures of salt cake and spent salts from aluminum production. Poster presentation. 22nd Canadian Materials Science Conference, Waterloo, Ontario

Copyright, Dalhousie Particulate Material Research Group, 2019