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Research Output 1989 2019

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Conference contribution
2017

Effect of hydrogen on fatigue-crack growth of a ferritic-pearlitic low carbon steel

Nagao, A., Dadfarnia, M., Wang, S., Sofronis, P., Nygren, K. E. & Robertson, I. M., Jan 1 2017, Materials and Fabrication. American Society of Mechanical Engineers (ASME), (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; vol. 6B-2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Low carbon steel
Fatigue crack propagation
Hydrogen
Surface morphology
Plasticity
2010

Microstructure and mechanical property performance of commercial grade API pipeline steels in high pressure gaseous hydrogen

Stalheim, D., Boggess, T., Marchi, C. S., Jansto, S., Somerday, B., Muralidharan, G. & Sofronis, P., 2010, 2010 8th International Pipeline Conference, IPC2010. Vol. 2. p. 529-537 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel
Application programming interfaces (API)
Hydrogen
Pipelines
Mechanical properties
2009

A coexistent view of hydrogen effects on mechanical behavior of crystals: HELP and HEDE

Gerberich, W. W., Stauffer, D. D. & Sofronis, P., Dec 1 2009, Proceedings of the 2008 International Hydrogen Conference - Effects of Hydrogen on Materials. p. 38-45 8 p. (Proceedings of the 2008 International Hydrogen Conference - Effects of Hydrogen on Materials).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

plastic properties
Plasticity
Hydrogen
Crystals
hydrogen

A combined applied mechanics/materials science approach toward quantifying the role of hydrogen on material degradation

Sofronis, P., Dadfarnia, M., Novak, P., Yuan, R., Somerday, B., Robertson, I. M., Ritchie, R. O., Kanezaki, T. & Murakami, Y., Dec 1 2009, 12th International Conference on Fracture 2009, ICF-12. p. 3881-3890 10 p. (12th International Conference on Fracture 2009, ICF-12; vol. 5).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Materials science
mechanics
Mechanics
hydrogen
Degradation

Effect of remote hydrogen boundary conditions on the near crack-tip hydrogen concentration profiles in a cracked pipeline: Fracture toughness assessment

Dadfarnia, M., Sofronis, P., Somerday, B. P. & Robertson, I. M., 2009, Materials Innovations in an Emerging Hydrogen Economy - A Collection of Papers Presented at the Materials Innovations in an Emerging Hydrogen Economy Conference. Vol. 202. p. 187-199 13 p. (Ceramic Transactions; vol. 202).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Crack tips
Fracture toughness
Hydrogen
Pipelines
Boundary conditions

Hydrogen/plasticity interactions at an axial crack in pipeline steel

Dadfarnia, M., Sofronis, P., Somerday, B. P. & Robertson, I. M., 2009, Fatigue and Fracture Mechanics: 36th Volume. American Society for Testing and Materials, Vol. 1508 STP. p. 474-495 22 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Steel
Plasticity
Hydrogen
Pipelines
Cracks

Modeling issues on hydrogen-induced intergranular cracking under sustained load

Dadfarnia, M., Sofronis, P., Somerday, B. P., Liu, J. B., Johnson, D. D. & Robertson, I. M., Dec 1 2009, Proceedings of the 2008 International Hydrogen Conference - Effects of Hydrogen on Materials. p. 613-621 9 p. (Proceedings of the 2008 International Hydrogen Conference - Effects of Hydrogen on Materials).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hydrogen
hydrogen
Crack propagation
crack propagation
methodology

Near-tip behavior of ductile, steady-state crack growth in a hydrogen charged material

Dodds, R. H., Sobotka, J. C. & Sofronis, P., Dec 1 2009, 12th International Conference on Fracture 2009, ICF-12. p. 1148-1157 10 p. (12th International Conference on Fracture 2009, ICF-12; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Crack propagation
crack
hydrogen
Hydrogen
softening
2007

Micromechanics of hydrogen transport and embrittlement in pipeline steels

Dadfarnia, M., Sofronis, P., Robertson, I., Somerday, B. P., Muralidharan, G. & Stalheim, D., 2007, Proceedings of the Materials Division, The ASME Non-Destructive Evaluation Division and The ASME Pressure Vessels and Piping Division, 2006. p. 741-750 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Micromechanics
Embrittlement
Pipelines
Hydrogen
Steel

Numerical simulation of hydrogen transport at a crack tip in a pipeline steel

Dadfarnia, M., Robertson, I., Muralidharan, G., Sofronis, P., Somerday, B. P. & Stalheim, D., 2007, Proceedings of the ASME International Pipeline Conference 2006, IPC 2006. Vol. 3 PART A. p. 193-199 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Crack tips
Pipelines
Hydrogen
Steel
Computer simulation
2006

Detailed simulations of propellant slumping in the titanIV SRMU PQM-1

Fiedler, R., Namazifard, A., Campbell, M., Xu, F., Aravas, N. & Sofronis, P., Dec 1 2006, Collection of Technical Papers - AIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference. p. 2876-2887 12 p. (Collection of Technical Papers - AIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference; vol. 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

slumping
Titan
propellants
Stress-strain curves
Propellants

Micromechanics of hydrogen transport and embrittlement in pipeline steels

Dadfarnia, M., Robertson, I., Muralidharan, G., Sofronis, P., Somerday, B. P. & Stalheim, D., 2006, Proceedings of 2006 ASME International Mechanical Engineering Congress and Exposition, IMECE2006 - Pressure Vessels and Piping. American Society of Mechanical Engineers (ASME), Vol. 3.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Micromechanics
Embrittlement
Pipelines
Hydrogen
Steel

Viable mechanisms of hydrogen embrittlement - A review

Sofronis, P. & Robertson, I. M., May 19 2006, HYDROGEN IN MATTER: A Collection from the Papers Presented at the 2nd International Symposium on Hydrogen in Matter,ISOHIM. p. 64-70 7 p. (AIP Conference Proceedings; vol. 837).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

hydrogen embrittlement
hydrogen
mechanical properties
methodology
predictions
2005

A coupled dislocation-hydrogen based model of inelastic deformation

Bammann, D. J. & Sofronis, P., 2005, 11th International Conference on Fracture 2005, ICF11. Vol. 5. p. 3263-3268 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

dislocation
hydrogen
Hydrogen
thermodynamics
Thermodynamics

Constitutive response and damage in solid propellants

Aravas, N., Xu, F., Sofronis, P., Namazifard, A. & Fiedler, R., Dec 1 2005, 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solid propellants
Rocket engines
Composite materials
Propellants
Binders

Finite element modeling of porous solid propellants

Xu, F., Sofronis, P., Aravas, N., Namazifard, A. & Fiedler, R., Dec 1 2005, 41st AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solid propellants
Porosity
Relaxation time
Stress relief
Rocket engines

Mechanics models for hydrogen embrittlement mechanisms

Liang, Y., Sofronis, P., Dodds, R. H. & Aravas, N., Dec 1 2005, 11th International Conference on Fracture 2005, ICF11. p. 3400-3405 6 p. (11th International Conference on Fracture 2005, ICF11; vol. 5).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hydrogen embrittlement
mechanics
Mechanics
hydrogen
Hydrogen

Mechanisms of hydrogen-assisted fracture in austenitic stainless steel welds

Somerday, B. P., Balch, D. K., Novak, P. & Sofronis, P., 2005, 11th International Conference on Fracture 2005, ICF11. Vol. 5. p. 3406-3411 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Austenitic stainless steel
Welds
steel
hydrogen
Hydrogen
2003

Recent advances in the study of hydrogen embrittlement at the University of Illinois

Sofronis, P., Robertson, M., Liang, Y., Teter, D. F. & Aravas, N., Dec 1 2003, Hydrogen Effects on Material Behaviour and Corrosion Deformation Interactions - Proc. of the International Conference on Hydrogen Effects on Material Behaviour and Corrosion Deformation Interactions. Moody, N. R., Thompson, A. W., Ricker, R. E., Was, G. S. & Jones, R. H. (eds.). p. 537-548 12 p. (Hydrogen Effects on Material Behaviour and Corrosion Deformation Interactions - Proc. of the International Conference on Hydrogen Effects on Material Behaviour and Corrosion Deformation Interactions).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hydrogen embrittlement
Hydrides
Hydrogen
1996

Hydrogen - dislocation interactions

Birnbaum, H. K. & Sofronis, P., 1996, Hydrogen Effects in Materials. Minerals, Metals & Materials Soc (TMS), p. 15-34 20 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hydrogen
Elastic moduli
Edge dislocations
Stress relaxation
Impurities
1993

Hydrogen enhanced localized plasticity: A mechanism for hydrogen related fracture

Sofronis, P. & Birnbaum, H. K., Dec 1 1993, Fatigue and Fracture of Aerospace Structural Materials. Publ by ASME, p. 15-25 11 p. (American Society of Mechanical Engineers, Aerospace Division (Publication) AD; vol. 36).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

plastic properties
Plasticity
plasticity
hydrogen
Hydrogen