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Alex Plotkowski
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Localized melt-scan strategy for site specific control of grain size and primary dendrite arm spacing in electron beam additive manufacturing
N Raghavan, S Simunovic, R Dehoff, A Plotkowski, J Turner, M Kirka, ...
Acta Materialia 140, 375-387, 2017
1422017
Thermographic microstructure monitoring in electron beam additive manufacturing
J Raplee, A Plotkowski, MM Kirka, R Dinwiddie, A Okello, RR Dehoff, ...
Scientific reports 7 (1), 1-16, 2017
1372017
Evaluation of an Al-Ce alloy for laser additive manufacturing
A Plotkowski, O Rios, N Sridharan, Z Sims, K Unocic, RT Ott, RR Dehoff, ...
Acta Materialia 126, 507-519, 2017
1242017
Additive manufacturing of nickel superalloys: opportunities for innovation and challenges related to qualification
SS Babu, N Raghavan, J Raplee, SJ Foster, C Frederick, M Haines, ...
Metallurgical and Materials Transactions A 49, 3764-3780, 2018
1192018
Verification and validation of a rapid heat transfer calculation methodology for transient melt pool solidification conditions in powder bed metal additive manufacturing
A Plotkowski, MM Kirka, SS Babu
Additive Manufacturing 18, 256-268, 2017
1122017
Experiments and simulations on solidification microstructure for Inconel 718 in powder bed fusion electron beam additive manufacturing
GL Knapp, N Raghavan, A Plotkowski, T Debroy
Additive Manufacturing 25, 511-521, 2019
912019
Microstructure and properties of a high temperature Al–Ce–Mn alloy produced by additive manufacturing
A Plotkowski, K Sisco, S Bahl, A Shyam, Y Yang, L Allard, P Nandwana, ...
Acta Materialia 196, 595-608, 2020
742020
Towards high-temperature applications of aluminium alloys enabled by additive manufacturing
RA Michi, A Plotkowski, A Shyam, RR Dehoff, SS Babu
International Materials Reviews 67 (3), 298-345, 2022
652022
A sensitivity analysis of the columnar-to-equiaxed transition for Ni-based superalloys in electron beam additive manufacturing
M Haines, A Plotkowski, CL Frederick, EJ Schwalbach, SS Babu
Computational Materials Science 155, 340-349, 2018
602018
Influence of scan pattern and geometry on the microstructure and soft-magnetic performance of additively manufactured Fe-Si
A Plotkowski, J Pries, F List, P Nandwana, B Stump, K Carver, RR Dehoff
Additive Manufacturing 29, 100781, 2019
452019
Revisiting solidification microstructure selection maps in the frame of additive manufacturing
P Mohammadpour, A Plotkowski, AB Phillion
Additive Manufacturing 31, 100936, 2020
442020
Geometry-induced spatial variation of microstructure evolution during selective electron beam melting of Rene-N5
CL Frederick, A Plotkowski, MM Kirka, M Haines, A Staub, EJ Schwalbach, ...
Metallurgical and Materials Transactions A 49, 5080-5096, 2018
372018
Characterization of topology optimized Ti-6Al-4V components using electron beam powder bed fusion
S Yoder, S Morgan, C Kinzy, E Barnes, M Kirka, V Paquit, P Nandwana, ...
Additive Manufacturing 19, 184-196, 2018
372018
An adaptive integration scheme for heat conduction in additive manufacturing
B Stump, A Plotkowski
Applied Mathematical Modelling 75, 787-805, 2019
342019
Localized changes of stainless steel powder characteristics during selective laser melting additive manufacturing
D Galicki, F List, SS Babu, A Plotkowski, HM Meyer, R Seals, C Hayes
Metallurgical and Materials Transactions A 50, 1582-1605, 2019
272019
Macrosegregation modeling during direct-chill casting of aluminum alloy 7050
K Fezi, A Plotkowski, MJM Krane
Numerical Heat Transfer, Part A: Applications 70 (9), 939-963, 2016
272016
A stochastic scan strategy for grain structure control in complex geometries using electron beam powder bed fusion
A Plotkowski, J Ferguson, B Stump, W Halsey, V Paquit, C Joslin, ...
Additive Manufacturing 46, 102092, 2021
232021
Microstructure and properties of additively manufactured Al–Ce–Mg alloys
K Sisco, A Plotkowski, Y Yang, D Leonard, B Stump, P Nandwana, ...
Scientific Reports 11 (1), 6953, 2021
232021
The use of inverse heat conduction models for estimation of transient surface heat flux in electroslag remelting
A Plotkowski, MJM Krane
Journal of Heat Transfer 137 (3), 2015
232015
Elevated temperature ductility dip in an additively manufactured Al-Cu-Ce alloy
S Bahl, A Plotkowski, K Sisco, DN Leonard, LF Allard, RA Michi, ...
Acta Materialia 220, 117285, 2021
222021
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