Petros Sofronis

2011

On the formation and nature of quasi-cleavage fracture surfaces in hydrogen embrittled steels

Martin, M. L., Fenske, J. A., Liu, G. S., Sofronis, P. & Robertson, I. M., Feb 2011, In: Acta Materialia. 59, 4, p. 1601-1606 6 p.

Research output: Contribution to journal › Article › peer-review

2010

A statistical, physical-based, micro-mechanical model of hydrogen-induced intergranular fracture in steel

Novak, P., Yuan, R., Somerday, B. P., Sofronis, P. & Ritchie, R. O., Feb 2010, In: Journal of the Mechanics and Physics of Solids. 58, 2, p. 206-226 21 p.

Research output: Contribution to journal › Article › peer-review

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. p. 529-537 9 p. (Proceedings of the Biennial International Pipeline Conference, IPC; vol. 2).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Recent advances in the study of structural materials compatibility with hydrogen

Dadfarnia, M., Novak, P., Ahn, D. C., Liu, J. B., Sofronis, P., Johnson, D. D. & Robertson, I. M., Mar 12 2010, In: Advanced Materials. 22, 10, p. 1128-1135 8 p.

Research output: Contribution to journal › Article › peer-review

2009

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

Gerberich, W. W., Stauffer, D. D. & Sofronis, P., 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 proceeding › Conference contribution

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., 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 proceeding › Conference contribution

Chapter 91 Hydrogen Effects on Plasticity

Robertson, I. M., Birnbaum, H. K. & Sofronis, P., Aug 27 2009, In: Dislocations in Solids. 15, p. 249-293 45 p.

Research output: Contribution to journal › Article › peer-review

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. p. 187-199 13 p. (Ceramic Transactions; vol. 202).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Effects of hydrogen on steady, ductile crack growth: Computational studies

Sobotka, J. C., Dodds, R. H. & Sofronis, P., Nov 2009, In: International Journal of Solids and Structures. 46, 22-23, p. 4095-4106 12 p.

Research output: Contribution to journal › Article › peer-review

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, p. 474-495 22 p. (ASTM Special Technical Publication; vol. 1508 STP).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Hydrogen-Assisted crack propagation in austenitic stainless steel fusion welds

Somerday, B. P., Dadfarnia, M., Balch, D. K., Nibur, K. A., Cadden, C. H. & Sofronis, P., 2009, In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 40, 10, p. 2350-2362 13 p.

Research output: Contribution to journal › Article › peer-review

Interaction of hydrogen transport and material elastoplasticity in pipeline steels

Dadfarnia, M., Somerday, B. P., Sofronis, P., Robertson, I. M. & Stalheim, D., Aug 2009, In: Journal of Pressure Vessel Technology, Transactions of the ASME. 131, 4, 041404.

Research output: Contribution to journal › Article › peer-review

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., 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 proceeding › Conference contribution

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

Dodds, R. H., Sobotka, J. C. & Sofronis, P., 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 proceeding › Conference contribution

Proceedings of the 2008 International Hydrogen Conference - Effects of Hydrogen on Materials: Preface

Somerday, B. & Sofronis, P., 2009, In: Proceedings of the 2008 International Hydrogen Conference - Effects of Hydrogen on Materials.

Research output: Contribution to journal › Editorial › peer-review

2008

Constitutive modeling of solid propellant materials with evolving microstructural damage

Xu, F., Aravas, N. & Sofronis, P., May 2008, In: Journal of the Mechanics and Physics of Solids. 56, 5, p. 2050-2073 24 p.

Research output: Contribution to journal › Article › peer-review

Effect of hydrogen trapping on void growth and coalescence in metals and alloys

Liang, Y., Ahn, D. C., Sofronis, P., Dodds, R. H. & Bammann, D., Mar 2008, In: Mechanics of Materials. 40, 3, p. 115-132 18 p.

Research output: Contribution to journal › Article › peer-review

Hydrogen/plasticity interactions at an axial crack in pipeline steel

Dadfarnia, M., Sofronis, P., Somerday, B. P. & Robertson, I. M., Jun 2008, In: Journal of ASTM International. 5, 6

Research output: Contribution to journal › Article › peer-review

On the small scale character of the stress and hydrogen concentration fields at the tip of an axial crack in steel pipeline: Effect of hydrogen-induced softening on void growth

Dadfarnia, M., Sofronis, P., Somerday, B. P. & Robertson, I. M., May 2008, In: International Journal of Materials Research. 99, 5, p. 557-570 14 p.

Research output: Contribution to journal › Article › peer-review

2007

Constitutive modeling of porous viscoelastic materials

Xu, F., Sofronis, P., Aravas, N. & Meyer, S., Nov 2007, In: European Journal of Mechanics, A/Solids. 26, 6, p. 936-955 20 p.

Research output: Contribution to journal › Article › peer-review

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. (Proceedings of the Materials Division, The ASME Non-Destructive Evaluation Division and The ASME Pressure Vessels and Piping Division, 2006).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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 proceeding › Conference contribution

On hydrogen-induced plastic flow localization during void growth and coalescence

Ahn, D. C., Sofronis, P. & Dodds, R. H., Nov 2007, In: International Journal of Hydrogen Energy. 32, 16, p. 3734-3742 9 p.

Research output: Contribution to journal › Article › peer-review

Void growth by dislocation-loop emission

Ahn, D. C., Sofronis, P., Kumar, M., Belak, J. & Minich, R., 2007, In: Journal of Applied Physics. 101, 6, 063514.

Research output: Contribution to journal › Article › peer-review

2006

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

Fiedler, R., Namazifard, A., Campbell, M., Xu, F., Aravas, N. & Sofronis, P., 2006, Collection of Technical Papers - AIAA/ASME/SAE/ASEE 42nd Joint Propulsion Conference. American Institute of Aeronautics and Astronautics Inc., 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 proceeding › Conference contribution

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), (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; vol. 3).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

On the micromechanics of void growth by prismatic-dislocation loop emission

Ahn, D. C., Sofronis, P. & Minich, R., Apr 2006, In: Journal of the Mechanics and Physics of Solids. 54, 4, p. 735-755 21 p.

Research output: Contribution to journal › Article › peer-review

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 proceeding › Conference contribution

2005

A coupled dislocation-hydrogen based model of inelastic deformation

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

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Constitutive response and damage in solid propellants

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

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Dislocation-obstacle interactions: Dynamic experiments to continuum modeling

Robertson, I. M., Beaudoin, A., Al-Fadhalah, K., Chun-Ming, L., Robach, J., Wirth, B. D., Arsenlis, A., Ahn, D. & Sofronis, P., Jul 25 2005, In: Materials Science and Engineering: A. 400-401, 1-2 SUPPL., p. 245-250 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Finite element modeling of porous solid propellants

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

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

High-temperature dislocation-precipitate interactions in Al alloys: An in situ transmission electron microscopy deformation study

Clark, B. G., Robertson, I. M., Dougherty, L. M., Ahn, D. C. & Sofronis, P., Jul 2005, In: Journal of Materials Research. 20, 7, p. 1792-1801 10 p.

Research output: Contribution to journal › Article › peer-review

Mechanics models for hydrogen embrittlement mechanisms

Liang, Y., Sofronis, P., Dodds, R. H. & Aravas, N., 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 proceeding › Conference contribution

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. p. 3406-3411 6 p. (11th International Conference on Fracture 2005, ICF11; vol. 5).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Void growth in power-law creeping solids: Effect of surface diffusion and surface energy

Subramanian, S. J., Sofronis, P. & Castaneda, P. P., Dec 2005, In: International Journal of Solids and Structures. 42, 24-25, p. 6202-6225 24 p.

Research output: Contribution to journal › Article › peer-review

2004

Interaction of hydrogen with crack-tip plasticity: Effects of constraint on void growth

Liang, Y., Sofronis, P. & Dodds, R. H., Feb 15 2004, In: Materials Science and Engineering: A. 366, 2, p. 397-411 15 p.

Research output: Contribution to journal › Article › peer-review

On hydrogen-induced void nucleation and grain boundary decohesion in nickel-base alloys

Liang, Y. & Sofronis, P., Oct 2004, In: Journal of Engineering Materials and Technology. 126, 4, p. 368-377 10 p.

Research output: Contribution to journal › Article › peer-review

2003

Micromechanics and numerical modelling of the hydrogen-particle-matrix interactions in nickel-base alloys

Liang, Y. & Sofronis, P., Jul 2003, In: Modelling and Simulation in Materials Science and Engineering. 11, 4, p. 523-551 29 p.

Research output: Contribution to journal › Article › peer-review

On the effect of hydrogen on plastic instabilities in metals

Liang, Y., Sofronis, P. & Aravas, N., May 23 2003, In: Acta Materialia. 51, 9, p. 2717-2730 14 p.

Research output: Contribution to journal › Article › peer-review

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

Sofronis, P., Robertson, M., Liang, Y., Teter, D. F. & Aravas, N., 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 proceeding › Conference contribution

Toward a phenomenological description of hydrogen-induced decohesion at particle/matrix interfaces

Liang, Y. & Sofronis, P., Aug 2003, In: Journal of the Mechanics and Physics of Solids. 51, 8, p. 1509-1531 23 p.

Research output: Contribution to journal › Article › peer-review

2002

Calculation of a constitutive potential for isostatic powder compaction

Subramanian, S. J. & Sofronis, P., Nov 2002, In: International Journal of Mechanical Sciences. 44, 11, p. 2239-2262 24 p.

Research output: Contribution to journal › Article › peer-review

Thermodynamic and kinetic aspects of interfacial decohesion

Mishin, Y., Sofronis, P. & Bassani, J. L., Aug 16 2002, In: Acta Materialia. 50, 14, p. 3609-3622 14 p.

Research output: Contribution to journal › Article › peer-review

Transmission electron microscopy observations and micromechanical/continuum models for the effect of hydrogen on the mechanical behaviour of metals

Sofroni, P. & Robertson, I. M., Nov 2002, In: Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties. 82, 17-18, p. 3405-3413 9 p.

Research output: Contribution to journal › Article › peer-review

2001

A micromechanics approach to the study of hydrogen transport and embrittlement

Taha, A. & Sofronis, P., Mar 21 2001, In: Engineering Fracture Mechanics. 68, 6, p. 803-837 35 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Hydrogen induced shear localization of the plastic flow in metals and alloys

Sofronis, P., Liang, Y. & Aravas, N., Nov 2001, In: European Journal of Mechanics, A/Solids. 20, 6, p. 857-872 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Micromechanical Modeling of Hydrogen Transport - A Review

Sofronis, P. & Taha, A., 2001, In: ASTM Special Technical Publication. 1401, p. 70-103 34 p.

Research output: Contribution to journal › Review article › peer-review

Modeling the interaction between densification mechanisms in powder compaction

Subramanian, S. J. & Sofronis, P., Oct 12 2001, In: International Journal of Solids and Structures. 38, 44-45, p. 7899-7918 20 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2000

Micromechanics of hydride formation and cracking in zirconium alloys

Lufrano, J. & Sofronis, P., 2000, In: CMES - Computer Modeling in Engineering and Sciences. 1, 2, p. 119-131 13 p.

Research output: Contribution to journal › Article › peer-review

Petros Sofronis

Research output

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