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19962019
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Research Output 1996 2019

Article
5 Citations (Scopus)

Additive manufacturing of functionally graded transition joints between ferritic and austenitic alloys

Zuback, J. S., Palmer, T. & Debroy, T., Jan 5 2019, In : Journal of Alloys and Compounds. 770, p. 995-1003 9 p.

Research output: Contribution to journalArticle

3D printers
Carbon
Dissimilar metals
Welds
Microstructure
26 Citations (Scopus)
phase transformations
Precipitates
precipitates
microstructure
Microstructure
268 Citations (Scopus)

Anisotropic tensile behavior of Ti-6Al-4V components fabricated with directed energy deposition additive manufacturing

Carroll, B. E., Palmer, T. & Beese, A. M., Apr 1 2015, In : Acta Materialia. 87, p. 309-320 12 p.

Research output: Contribution to journalArticle

3D printers
Ductility
Mechanical properties
Oxygen
Yield stress
37 Citations (Scopus)

Building blocks for a digital twin of additive manufacturing

Knapp, G. L., Mukherjee, T., Zuback, J. S., Wei, H. L., Palmer, T., De, A. & Debroy, T., Aug 15 2017, In : Acta Materialia. 135, p. 390-399 10 p.

Research output: Contribution to journalArticle

3D printers
Dendrites (metallography)
Solidification
Deposits
Cooling
8 Citations (Scopus)

Capillary wicking of liquid lithium on laser textured surfaces for plasma facing components

Lin, T. F., Palmer, T., Meinert, Jr., K. C., Murray, N. R. & Majeski, R., Jan 1 2013, In : Journal of Nuclear Materials. 433, 1-3, p. 55-65 11 p.

Research output: Contribution to journalArticle

liquid lithium
Lithium
Plasmas
lithium
2-Propanol
10 Citations (Scopus)
Electron beams
Welds
electron beams
Optics
radiant flux density
5 Citations (Scopus)

Compressive and Tensile Stress–Strain Responses of Additively Manufactured (AM) 304L Stainless Steel at High Strain Rates

Song, B., Nishida, E., Sanborn, B., Maguire, M., Adams, D., Carroll, J., Wise, J., Reedlunn, B., Bishop, J. & Palmer, T., Sep 1 2017, In : Journal of Dynamic Behavior of Materials. 3, 3, p. 412-425 14 p.

Research output: Contribution to journalArticle

Stainless Steel
Strain rate
Stainless steel
Yield stress
Plastic flow
7 Citations (Scopus)
Precipitates
Microstructure
Shape memory effect
Austenite
3D printers
15 Citations (Scopus)

Development of an explosive welding process for producing high-strength welds between niobium and 6061-T651 aluminum

Palmer, T., Elmer, J. W., Brasher, D., Butler, D. & Riddle, R., Nov 1 2006, In : Welding Journal (Miami, Fla). 85, 11

Research output: Contribution to journalArticle

Niobium
Explosive welding
Aluminum
Welds
Impact strength
17 Citations (Scopus)
titanium alloys
Titanium alloys
Microhardness
microhardness
hardness

Directed energy deposition of molybdenum

Johnson, J. L. & Palmer, T., Nov 1 2019, In : International Journal of Refractory Metals and Hard Materials. 84, 105029.

Research output: Contribution to journalArticle

Molybdenum
Substrates
Molybdenum deposits
3D printers
Lasers
3 Citations (Scopus)

Direct observation of austenitisation in 1005 C-Mn steel during continuous heating using in situ synchrotron X-ray diffraction

Palmer, T., Elmer, J. W., Mayr, P. & Specht, E. D., Jul 1 2011, In : Science and Technology of Welding and Joining. 16, 5, p. 377-384 8 p.

Research output: Contribution to journalArticle

Steel
Synchrotrons
synchrotrons
steels
Heating
10 Citations (Scopus)

Direct observation of phase transformations in the simulated heat-affected zone of a 9Cr martensitic steel

Mayr, P., Palmer, T., Elmer, J. W. & Specht, E. D., Apr 1 2008, In : Zeitschrift fuer Metallkunde/Materials Research and Advanced Techniques. 99, 4, p. 381-386 6 p.

Research output: Contribution to journalArticle

Martensitic steel
heat affected zone
Heat affected zone
phase transformations
Phase transitions
41 Citations (Scopus)
Bainite
Steel
Electric arc welding
Martensite
Austenite
16 Citations (Scopus)

Direct observations of rapid diffusion of Cu in Au thin films using in situ x-ray diffraction

Elmer, J. W., Palmer, T. & Specht, E. D., Jul 1 2006, In : Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 24, 4, p. 978-987 10 p., 102604JVA.

Research output: Contribution to journalArticle

x ray diffraction
Diffraction
X rays
Thin films
thin films
84 Citations (Scopus)
Stainless Steel
Synchrotrons
stainless steels
synchrotrons
Stainless steel
17 Citations (Scopus)

Direct observations of the formation and growth of austenite from pearlite and allotriomorphic ferrite in a C-Mn steel arc weld

Palmer, T. & Elmer, J. W., Sep 1 2005, In : Scripta Materialia. 53, 5, p. 535-540 6 p.

Research output: Contribution to journalArticle

pearlite
Pearlite
Steel
austenite
Austenite
11 Citations (Scopus)
heat affected zone
Steel
Heat affected zone
austenite
Austenite
106 Citations (Scopus)

Effect of inter-layer dwell time on distortion and residual stress in additive manufacturing of titanium and nickel alloys

Denlinger, E. R., Heigel, J. C., Michaleris, P. & Palmer, T., Jan 1 2015, In : Journal of Materials Processing Technology. 215, p. 123-131 9 p.

Research output: Contribution to journalArticle

3D printers
Nickel alloys
Titanium alloys
Residual stresses
Lasers
135 Citations (Scopus)
3D printers
Austenitic stainless steel
Tensile properties
Microstructure
Processing
3 Citations (Scopus)

Employing microsecond pulses to form laser-fired contacts in photovoltaic devices

Raghavan, A. S., Palmer, T., Kragh-Buetow, K. C., Domask, A. C., Reutzel, E. W., Mohney, S. E. & Debroy, T., Aug 1 2015, In : Progress in Photovoltaics: Research and Applications. 23, 8, p. 1025-1036 12 p.

Research output: Contribution to journalArticle

Laser pulses
Aluminum
Lasers
pulses
lasers
22 Citations (Scopus)

Enhanced dissolution of nitrogen during gas tungsten arc welding of steels

Palmer, T. & Debroy, T., Jan 1 1998, In : Science and Technology of Welding and Joining. 3, 4, p. 190-203 14 p.

Research output: Contribution to journalArticle

gas tungsten arc welding
Tungsten
Steel
Electric arc welding
dissolving
10 Citations (Scopus)

Evolution of laser-fired aluminum-silicon contact geometry in photovoltaic devices

Raghavan, A., Palmer, T. & Debroy, T., Jan 15 2012, In : Journal of Applied Physics. 111, 2, 024903.

Research output: Contribution to journalArticle

aluminum
silicon
geometry
lasers
solar cells
9 Citations (Scopus)

Fixturing effects in the thermal modeling of laser cladding

Gouge, M. F., Michaleris, P. & Palmer, T., Jan 1 2017, In : Journal of Manufacturing Science and Engineering, Transactions of the ASME. 139, 1, 011001.

Research output: Contribution to journalArticle

Laser cladding
Substrates
Surface roughness
Hot Temperature
Experiments
16 Citations (Scopus)

Formation of delta ferrite in 9 Wt Pct Cr steel investigated by in-situ x-ray diffraction using synchrotron radiation

Mayr, P., Palmer, T. A., Elmer, J. W., Specht, E. D. & Allen, S. M., Oct 1 2010, In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 41, 10, p. 2462-2465 4 p.

Research output: Contribution to journalArticle

Steel
Synchrotron radiation
carbides
Ferrite
ferrites
13 Citations (Scopus)

Fusion zone microstructure and geometry in complete-joint-penetration laser-arc hybrid welding of low-alloy steel

Wei, H. L., Blecher, J. J., Palmer, T. & Debroy, T., Apr 1 2015, In : Welding Journal. 94, 4, p. 135s-144s

Research output: Contribution to journalArticle

High strength steel
Welding
Fusion reactions
Microstructure
Geometry
61 Citations (Scopus)

Heat transfer and fluid flow during electron beam welding of 304L stainless steel alloy

Rai, R., Palmer, T., Elmer, J. W. & Debroy, T., Mar 1 2009, In : Welding Journal (Miami, Fla). 88, 3

Research output: Contribution to journalArticle

Electron beam welding
Stainless Steel
Alloy steel
Flow of fluids
Welds
183 Citations (Scopus)

Heat transfer and fluid flow during keyhole mode laser welding of tantalum, Ti-6Al-4V, 304L stainless steel and vanadium

Rai, R., Elmer, J. W., Palmer, T. & Debroy, T., Sep 21 2007, In : Journal of Physics D: Applied Physics. 40, 18, p. 5753-5766 14 p., 037.

Research output: Contribution to journalArticle

Tantalum
Vanadium
laser welding
Laser beam welding
Stainless Steel
40 Citations (Scopus)

Heat transfer and fluid flow in additive manufacturing

Raghavan, A., Wei, H. L., Palmer, T. & Debroy, T., Nov 1 2013, In : Journal of Laser Applications. 25, 5, 052006.

Research output: Contribution to journalArticle

3D printers
surface geometry
fluid flow
laser welding
Flow of fluids
8 Citations (Scopus)

Identifying performance differences in transmissive and reflective laser optics using beam diagnostic tools

Blecher, J., Palmer, T. A., Kelly, S. M. & Martukanitz, R. P., Jul 1 2012, In : Welding Journal. 91, 7, p. 204S-214S

Research output: Contribution to journalArticle

Laser optics
Optics
High power lasers
Fiber lasers
Welds
2 Citations (Scopus)

Impact of chemical composition on precipitate morphology in an additively manufactured nickel base superalloy

Zuback, J. S., Moradifar, P., Khayat, Z., Alem, N. & Palmer, T., Aug 25 2019, In : Journal of Alloys and Compounds. 798, p. 446-457 12 p.

Research output: Contribution to journalArticle

Titanium
Nickel
Superalloys
Precipitates
Iron
6 Citations (Scopus)

Impact of composition on the heat treatment response of additively manufactured 17–4 PH grade stainless steel

Meredith, S. D., Zuback, J. S., Keist, J. S. & Palmer, T., Dec 19 2018, In : Materials Science and Engineering A. 738, p. 44-56 13 p.

Research output: Contribution to journalArticle

Stainless Steel
stainless steels
grade
heat treatment
Nitrogen
8 Citations (Scopus)
dwell
nickel alloys
Nickel alloys
titanium alloys
Titanium alloys
5 Citations (Scopus)
Nickel
Precipitates
Solid solutions
solid solutions
Iron
3 Citations (Scopus)

Improving process control in electron beam welding using the enhanced modified faraday cup

Palmer, T. & Elmer, J. W., Aug 1 2008, In : Journal of Manufacturing Science and Engineering, Transactions of the ASME. 130, 4, p. 410081-4100815 3690735 p.

Research output: Contribution to journalArticle

Electron beam welding
Process control
Welds
Full width at half maximum
Quality control
46 Citations (Scopus)

In situ monitoring and characterization of distortion during laser cladding of Inconel® 625

Heigel, J. C., Michaleris, P. & Palmer, T., Jan 1 2015, In : Journal of Materials Processing Technology. 220, p. 135-145 11 p.

Research output: Contribution to journalArticle

Laser Cladding
Laser cladding
Monitoring
Hatches
Bending (forming)
15 Citations (Scopus)

In Situ Neutron Diffraction Study of the Influence of Microstructure on the Mechanical Response of Additively Manufactured 304L Stainless Steel

Brown, D. W., Adams, D. P., Balogh, L., Carpenter, J. S., Clausen, B., King, G., Reedlunn, B., Palmer, T., Maguire, M. C. & Vogel, S. C., Dec 1 2017, In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 48, 12, p. 6055-6069 15 p.

Research output: Contribution to journalArticle

Stainless Steel
Neutron diffraction
neutron diffraction
stainless steels
Stainless steel
5 Citations (Scopus)

In situ observation of phase transformations and their effects in 9-12%Cr steels during welding

Mayr, P., Palmer, T., Elmer, J. W. & Cerjak, H., 2007, In : Advanced Materials Research. 15-17, p. 1014-1019 6 p.

Research output: Contribution to journalArticle

Welding
Weldability
Phase transitions
Microstructural evolution
Heat affected zone
51 Citations (Scopus)
Stainless Steel
austenite
Synchrotron radiation
Austenite
Ferrite
120 Citations (Scopus)

In situ observations of lattice expansion and transformation rates of α and β phases in Ti-6Al-4V

Elmer, J. W., Palmer, T., Babu, S. S. & Specht, E. D., Jan 25 2005, In : Materials Science and Engineering A. 391, 1-2, p. 104-113 10 p.

Research output: Contribution to journalArticle

Lattice constants
lattice parameters
heating
expansion
Heating
41 Citations (Scopus)

In situ observations of phase transitions in Ti-6Al-4V alloy welds using spatially resolved x-ray diffraction

Elmer, J. W., Palmer, T. A. & Wong, J., Feb 15 2003, In : Journal of Applied Physics. 93, 4, p. 1941-1947 7 p.

Research output: Contribution to journalArticle

x ray diffraction
thermodynamic equilibrium
heat transmission
kinetics
38 Citations (Scopus)

In situ observations of sigma phase dissolution in 2205 duplex stainless steel using synchrotron X-ray diffraction

Elmer, J. W., Palmer, T. & Specht, E. D., Jun 25 2007, In : Materials Science and Engineering A. 459, 1-2, p. 151-155 5 p.

Research output: Contribution to journalArticle

Stainless Steel
Synchrotrons
stainless steels
dissolving
synchrotrons
26 Citations (Scopus)
Steel
Electric arc welding
Heat affected zone
Welds
Cooling
98 Citations (Scopus)

Kinetic modeling of phase transformations occurring in the HAZ of C-Mn steel welds based on direct observations

Elmer, J. W., Palmer, T., Zhang, W., Wood, B. & Debroy, T., Jul 16 2003, In : Acta Materialia. 51, 12, p. 3333-3349 17 p.

Research output: Contribution to journalArticle

Steel
Heat affected zone
Welds
Phase transitions
Kinetics
13 Citations (Scopus)

Laser-silicon interaction for selective emitter formation in photovoltaics. I. Numerical model and validation

Blecher, J. J., Palmer, T. & Debroy, T., Dec 1 2012, In : Journal of Applied Physics. 112, 11, 114906.

Research output: Contribution to journalArticle

emitters
travel
silicon
profiles
geometry
10 Citations (Scopus)

Laser-silicon interaction for selective emitter formation in photovoltaics. II. Model applications

Blecher, J. J., Palmer, T., Reutzel, E. W. & Debroy, T., Dec 1 2012, In : Journal of Applied Physics. 112, 11, 114907.

Research output: Contribution to journalArticle

emitters
travel
silicon
lasers
interactions
23 Citations (Scopus)

Low temperature relaxation of residual stress in Ti-6Al-4V

Elmer, J. W., Palmer, T., Babu, S. S. & Specht, E. D., May 1 2005, In : Scripta Materialia. 52, 10, p. 1051-1056 6 p.

Research output: Contribution to journalArticle

contraction
residual stress
Residual stresses
expansion
Synchrotrons
10 Citations (Scopus)
3D printers
Forced convection
Laser optics
Powder metals
Inert gases
6 Citations (Scopus)

Microtexture in additively manufactured Ti-6Al-4V fabricated using directed energy deposition

Waryoba, D. R., Keist, J. S., Ranger, C. & Palmer, T., Sep 12 2018, In : Materials Science and Engineering A. 734, p. 149-163 15 p.

Research output: Contribution to journalArticle

Electron beams
electron beams
Texturing
Laser beams
energy
16 Citations (Scopus)
Laser beam welding
Electric arc welding
Welds
Defects
Lasers