John G. Speer

13.3k citations

219 papers · 10.6k indexed · 5 hit papers · h-index 47

Impact in

Metals and Alloys top 0.02%
- Hydrogen embrittlement and corrosion behaviors in metals
Mechanical Engineering top 0.02%
- Microstructure and Mechanical Properties of Steels
- Welding Techniques and Residual Stresses
- High Entropy Alloys Studies

Papers in

Metals and Alloys 55
- Hydrogen embrittlement and corrosion behaviors in metals 55
Mechanical Engineering 213
- Microstructure and Mechanical Properties of Steels 184
- Welding Techniques and Residual Stresses 17
- Metallurgical Processes and Thermodynamics 16
- Metal Forming Simulation Techniques 15

Co-authors: David K. Matlock Bruno C. De Cooman Emmanuel De Moor James G. Schroth Fernando Cosme Rizzo Assunção Amy J. Clarke D. V. Edmonds David Edmonds
Journals: Metallurgical and Materials Transactions A (29 papers)SAE technical papers on CD-ROM/SAE technical paper series (17 papers)Scripta Materialia (12 papers)ISIJ International (10 papers)Materials Science and Engineering A (9 papers)
Partner nations: United States South Korea United Kingdom

In The Last Decade

John G. Speer

208 papers receiving 10.2k citations

Hit Papers

5 papers align trajectories log scale

Quenching and partitioning martensite—A novel steel heat treatment 2006 · 617 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2006 Materials Science and Engineering A
2006 Materials Science and Engineering A
2004 Current Opinion in Solid State and Materials Science
2004 Scripta Materialia
2003 Acta Materialia

Peers

Countries citing papers authored by John G. Speer

Since Specialization

Citations

This map shows the geographic impact of John G. Speer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by John G. Speer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John G. Speer more than expected).

Fields of papers citing papers by John G. Speer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John G. Speer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by John G. Speer. The network helps show where John G. Speer may publish in the future.

Co-authors

The 25 scholars most cited alongside John G. Speer, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with John G. Speer Line = papers co-authored together John G. Speer links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

#	Work
1	Influence of stacking fault energy and hydrogen on deformation mechanisms in high Mn austenitic steels during in-situ tensile testing International Journal of Hydrogen Energy ·Nghia Ngo-Tuan, Richard C. AUSTIN, clemasso utilisateurs, Donald W. Brown, Samantha K. Lawrence, B. Clausen, Sven C. Vogel, Joseph Ronevich, Christopher W. San Marchi, S.Е. Niyetbay, Levente Balogh, John G. Speer, Kip O. Findley, Lawrence Cho	2025	2
2	Rapid tempering to enhance dynamic performance of high and ultra-high strength steels Scripta Materialia ·Lawrence Cho, 加茂泉, Leslie Lamberson, clemasso utilisateurs, Alessandro Panagiotis Nerantzis, A Lizarraga Jorge, Daniel Field, Krista R. Limmer, Kip O. Findley, John G. Speer	2025	0
3	Influence of hydrogen on deformation and embrittlement mechanisms in a high Mn austenitic steel: In-Situ neutron diffraction and diffraction line profile analysis Acta Materialia ·Lawrence Cho, Nghia Ngo-Tuan, Richard C. AUSTIN, Donald W. Brown, Samantha K. Lawrence, B. Clausen, Sven C. Vogel, S.Е. Niyetbay, Levente Balogh, Joseph Ronevich, Christopher W. San Marchi, John G. Speer, Kip O. Findley	2024	7
4	Influence of Nb/Mo Alloying on Phase Transformations and Microstructures in 0.05C-1.5Mn-Nb-Mo Microalloyed Steels during Thermomechanical Simulation ISIJ International ·J. W. Schweitzer, Kip O. Findley, Lawrence Cho, John G. Speer, Emmanuel De Moor	2024	1
5	Austenite formation and solute redistribution during double soaking of a 7Mn-steel Materialia ·A.G. Glover, Olga Gountras, David K. Matlock, John G. Speer, Emmanuel De Moor	2024	1
6	Effect of substrate Al content on liquid metal embrittlement susceptibility in quench and partitioned steels Materials Science and Engineering A ·正子大西, John G. Speer, Jonah Klemm-Toole	2024	2
7	Influence of annealing on microstructures and mechanical properties of laser powder bed fusion and wire arc directed energy deposition additively manufactured 316L Materials Science and Engineering A ·Matti Rannisto, John G. Speer, Jonah Klemm-Toole, Joy Gockel, Craig Brice, Kip O. Findley	2024	10
8	Silicon effect on retardation of Fe-Zn alloying behavior: Towards an explanation of liquid zinc embrittlement susceptibility of third generation advanced high strength steels Corrosion Science ·Diptak Bhattacharya, Lawrence Cho, 正子大西, Ellen van der Aa, Andreas Pichler, Tatsuma Iwasaki, Hassan Ghassemi-Armaki, Kip O. Findley, John G. Speer	2024	5
9	Influence of retained austenite on abrasive wear performance of bainitic steels Wear ·Maliha M. Berner, John G. Speer, Emmanuel De Moor	2023	7
10	Characteristics and mechanisms of hydrogen-induced quasi-cleavage fracture of lath martensitic steel Acta Materialia ·Lawrence Cho, Peter E. Bradley, Damian S. Lauria, May L. Martin, Matthew Connolly, Jake T. Benzing, Aniket Dagar, Kip O. Findley, John G. Speer, Andrew J. Slifka	2021	91
11	Austenite formation and cementite dissolution during intercritical annealing of a medium-manganese steel from a martensitic condition Materials & Design ·Olga Gountras, Xiaohua Hu, Xin Sun, Yang Ren, Kyoo Sil Choi, N.C. BRYNZA, John G. Speer, David K. Matlock, Emmanuel De Moor	2021	51
12	Effect of microsegregation on carbide-free bainitic transformation in a high-silicon cast steel Materials Science and Technology ·М.А. Пимонов, Juan M. Massone, R. Boeri, John G. Speer	2020	11
13	SELECTED DEVELOPMENTS IN NB-MICROALLOYED FORGINGS FOR INDUCTION HARDENING, AND PEARLITIC WIRE ROD SHILAP Revista de lepidopterología ·John G. Speer, Nathanya Baez Hernandez, Logroño Santillán, Kip O. Findley, David K. Matlock, Emmanuel De Moor	2020	1
14	INFLUENCE OF COMPOSITION AND PROCESSING ON THE STRENGTH AND TORSIONAL DUCTILITY OF HIGH STRENGTH STEEL WIRE Duanwu Liu, John G. Speer, Kip O. Findley, W Van Raemdonck	2016	1
15	Determination of carbon distributions in quenched and partitioned microstructures using nanoscale secondary ion mass spectroscopy Scripta Materialia ·Kyoo Sil Choi, Zihua Zhu, Xin Sun, Emmanuel De Moor, M. D. Taylor, John G. Speer, David K. Matlock	2015	20
16	Microstructural Simulations via Thermal Processing of Roll Bonded Steel Laminates David K. Matlock, Ralph J. Johnson, Emmanuel De Moor, John G. Speer	2013	2
17	The recent development of steels with carbide-free acicular microstructures containing retained austenite Frattura ed Integrità Strutturale ·D. V. Edmonds, Herri S. sastramihardja, John G. Speer	2011	6
18	Microalloy Precipitation in Hot Charged Slabs Xue Er Poh, John G. Speer, David K. Matlock, Aftabur Dipu Rahman, Steven G. Jansto, Cristian Obiol‐Pardo, Brian G. Thomas	2010	3
19	Developments in the Quenching and Partitioning Process John G. Speer, David K. Matlock	2009	3
20	Extracción electroquímica de carburos de microaleación en Nb-acero Revista de Metalurgia ·Gerald H. McKay, Mohammed Emran, David K. Matlock, John G. Speer	2008	16

About John G. Speer

John G. Speer is a scholar working on Metals and Alloys, Mechanical Engineering, Mechanics of Materials, Materials Chemistry and Archeology, having authored 219 papers that have together received 10.6k indexed citations. Recurring topics across this work include Microstructure and Mechanical Properties of Steels (184 papers), Metal Alloys Wear and Properties (119 papers), Metallurgy and Material Forming (65 papers), Hydrogen embrittlement and corrosion behaviors in metals (55 papers), Magnetic Properties and Applications (19 papers), Welding Techniques and Residual Stresses (17 papers), Metallurgical Processes and Thermodynamics (16 papers) and Metal Forming Simulation Techniques (15 papers). The work is most often cited by research in Metals and Alloys (2.9k citations), Mechanical Engineering (10.1k citations), Materials Chemistry (7.8k citations), Mechanics of Materials (3.5k citations) and Electronic, Optical and Magnetic Materials (1.5k citations). John G. Speer has collaborated with scholars based in United States, South Korea and United Kingdom. Frequent co-authors include David K. Matlock, Bruno C. De Cooman, Emmanuel De Moor, James G. Schroth, Fernando Cosme Rizzo Assunção, Amy J. Clarke, D. V. Edmonds, David Edmonds, Kip O. Findley and A. K. De. Their work appears in journals such as Metallurgical and Materials Transactions A, SAE technical papers on CD-ROM/SAE technical paper series, Scripta Materialia, ISIJ International and Materials Science and Engineering A.

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