Petros Sofronis

2022

A study of crack initiation in a low alloy steel

Tian, L., Borchers, C., Kubota, M., Sofronis, P., Kirchheim, R. & Volkert, C. A., Jan 15 2022, In: Acta Materialia. 223, 117474.

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

Effects of diffusion and primary creep on intergranular cavitation at high temperatures

Sanders, J. W., Jamshidi, N., Jamshidi, N., Dadfarnia, M., Subramanian, S., Sehitoglu, H., Stubbins, J. & Sofronis, P., 2022, (Accepted/In press) In: International Journal of Fracture.

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

2021

Influence of internal hydrogen content on the evolved microstructure beneath fatigue striations in 316L austenitic stainless steel

Nygren, K. E., Nagao, A., Wang, S., Sofronis, P. & Robertson, I. M., Jul 2021, In: Acta Materialia. 213, 116957.

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

Modeling the Hydrogen Effect on the Constitutive Response of a Low Carbon Steel in Cyclic Loading

Hosseini, Z. S., Dadfarnia, M., Nagao, A., Kubota, M., Somerday, B. P., Ritchie, R. O. & Sofronis, P., Mar 1 2021, In: Journal of Applied Mechanics, Transactions ASME. 88, 3, 031001.

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

2020

On the stress field ahead of a stationary crack tip during the transition from primary to secondary creep

Sanders, J. W., Dadfarnia, M., Sehitoglu, H., Stubbins, J. & Sofronis, P., Jun 1 2020, In: International Journal of Solids and Structures. 193-194, p. 455-473 19 p.

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

Open Access

The Role of Microstructure in Hydrogen-Induced Fatigue Failure of 304 Austenitic Stainless Steel

Nygren, K. E., Nagao, A., Sofronis, P. & Robertson, I. M., Nov 1 2020, In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 51, 11, p. 5704-5714 11 p.

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

2019

A model for high temperature hydrogen attack in carbon steels under constrained void growth

Dadfarnia, M., Martin, M. L., Moore, D. E., Orwig, S. E. & Sofronis, P., Sep 1 2019, In: International Journal of Fracture. 219, 1, p. 1-17 17 p.

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

Assessment of resistance to fatigue crack growth of natural gas line pipe steels carrying gas mixed with hydrogen

Dadfarnia, M., Sofronis, P., Brouwer, J. & Sosa, S., Apr 23 2019, In: International Journal of Hydrogen Energy. 44, 21, p. 10808-10822 15 p.

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

Assessment of the impact of hydrogen on the stress developed ahead of a fatigue crack

Wang, S., Nagao, A., Sofronis, P. & Robertson, I. M., Aug 1 2019, In: Acta Materialia. 174, p. 181-188 8 p.

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

On the failure of surface damage to assess the hydrogen-enhanced deformation ahead of crack tip in a cyclically loaded austenitic stainless steel

Wang, S., Nygren, K. E., Nagao, A., Sofronis, P. & Robertson, I. M., Jun 2019, In: Scripta Materialia. 166, p. 102-106 5 p.

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

2018

Hydrogen-enhanced-plasticity mediated decohesion for hydrogen-induced intergranular and “quasi-cleavage” fracture of lath martensitic steels

Nagao, A., Dadfarnia, M., Somerday, B. P., Sofronis, P. & Ritchie, R. O., Mar 2018, In: Journal of the Mechanics and Physics of Solids. 112, p. 403-430 28 p.

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

Hydrogen-modified dislocation structures in a cyclically deformed ferritic-pearlitic low carbon steel

Wang, S., Nagao, A., Sofronis, P. & Robertson, I. M., Feb 1 2018, In: Acta Materialia. 144, p. 164-176 13 p.

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

On the theoretical modeling of fatigue crack growth

Hosseini, Z. S., Dadfarnia, M., Somerday, B. P., Sofronis, P. & Ritchie, R. O., Dec 2018, In: Journal of the Mechanics and Physics of Solids. 121, p. 341-362 22 p.

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

2017

A microstructure-based mechanism of cracking in high temperature hydrogen attack

Martin, M. L., Dadfarnia, M., Orwig, S., Moore, D. & Sofronis, P., Nov 2017, In: Acta Materialia. 140, p. 300-304 5 p.

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

On the fracture of high temperature alloys by creep cavitation under uniaxial or biaxial stress states

Sanders, J. W., Dadfarnia, M., Stubbins, J. F. & Sofronis, P., Jan 1 2017, In: Journal of the Mechanics and Physics of Solids. 98, p. 49-62 14 p.

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

2016

Effect of hydrogen environment on the separation of Fe grain boundaries

Wang, S., Martin, M. L., Robertson, I. M. & Sofronis, P., Apr 1 2016, In: Acta Materialia. 107, p. 279-288 10 p.

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

2015

Chemomechanical effects on the separation of interfaces occurring during fracture with emphasis on the hydrogen-iron and hydrogen-nickel system

Kirchheim, R., Somerday, B. & Sofronis, P., Aug 11 2015, In: Acta Materialia. 99, p. 87-98 12 p.

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

Hydrogen Embrittlement Understood

Robertson, I. M., Sofronis, P., Nagao, A., Martin, M. L., Wang, S., Gross, D. W. & Nygren, K. E., Jun 26 2015, In: Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science. 46, 3, p. 1085-1103 19 p., 325.

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

Hydrogen Embrittlement Understood

Robertson, I. M., Sofronis, P., Nagao, A., Martin, M. L., Wang, S., Gross, D. W. & Nygren, K. E., Jun 1 2015, In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 46, 6, p. 2323-2341 19 p.

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

Recent advances on hydrogen embrittlement of structural materials

Dadfarnia, M., Nagao, A., Wang, S., Martin, M. L., Somerday, B. P. & Sofronis, P., Nov 1 2015, In: International Journal of Fracture. 196, 1-2, p. 223-243 21 p.

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

2014

Hydrogen-induced intergranular failure of iron

Wang, S., Martin, M. L., Sofronis, P., Ohnuki, S., Hashimoto, N. & Robertson, I. M., May 2014, In: Acta Materialia. 69, p. 275-282 8 p.

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

Modeling hydrogen transport by dislocations

Dadfarnia, M., Martin, M. L., Nagao, A., Sofronis, P. & Robertson, I. M., Dec 15 2014, In: Journal of the Mechanics and Physics of Solids. 78, p. 511-525 15 p.

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

On modeling hydrogen-induced crack propagation under sustained load

Dadfarnia, M., Somerday, B. P., Schembri, P. E., Sofronis, P., Foulk, J. W., Nibur, K. A. & Balch, D. K., Aug 2014, In: JOM. 66, 8, p. 1390-1398 9 p.

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

The effect of nanosized (Ti,Mo)C precipitates on hydrogen embrittlement of tempered lath martensitic steel

Nagao, A., Martin, M. L., Dadfarnia, M., Sofronis, P. & Robertson, I. M., Aug 1 2014, In: Acta Materialia. 74, p. 244-254 11 p.

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

2013

A microstructural based understanding of hydrogen-enhanced fatigue of stainless steels

Martin, M. L., Sofronis, P., Robertson, I. M., Awane, T. & Murakami, Y., 2013, In: International Journal of Fatigue. 57, p. 28-36 9 p.

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

Elucidating the variables affecting accelerated fatigue crack growth of steels in hydrogen gas with low oxygen concentrations

Somerday, B. P., Sofronis, P., Nibur, K. A., San Marchi, C. & Kirchheim, R., Sep 2013, In: Acta Materialia. 61, 16, p. 6153-6170 18 p.

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

The relationship between crack-tip strain and subcritical cracking thresholds for steels in high-pressure hydrogen gas

Nibur, K. A., Somerday, B. P., Marchi, C. S., Foulk, J. W., Dadfarnia, M. & Sofronis, P., Jan 2013, In: Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 44, 1, p. 248-269 22 p.

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

2012

Full field measurements of anisotropic stress intensity factor ranges in fatigue

Pataky, G. J., Sangid, M. D., Sehitoglu, H., Hamilton, R. F., Maier, H. J. & Sofronis, P., Nov 2012, In: Engineering Fracture Mechanics. 94, p. 13-28 16 p.

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

Hydrogen embrittlement of high strength steels: Determination of the threshold stress intensity for small cracks nucleating at nonmetallic inclusions

Murakami, Y., Kanezaki, T. & Sofronis, P., 2012, In: Engineering Fracture Mechanics. 97, 1, p. 227-243 17 p.

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

Hydrogen-induced intergranular failure in nickel revisited

Martin, M. L., Somerday, B. P., Ritchie, R. O., Sofronis, P. & Robertson, I. M., Apr 2012, In: Acta Materialia. 60, 6-7, p. 2739-2745 7 p.

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

Japan's energy supply: Mid-to-long-term scenario - A proposal for a new energy supply system in the aftermath of the March 11 earthquake

Onoue, K., Murakami, Y. & Sofronis, P., May 2012, In: International Journal of Hydrogen Energy. 37, 10, p. 8123-8132 10 p.

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

The role of hydrogen in hydrogen embrittlement fracture of lath martensitic steel

Nagao, A., Smith, C. D., Dadfarnia, M., Sofronis, P. & Robertson, I. M., Aug 2012, In: Acta Materialia. 60, 13-14, p. 5182-5189 8 p.

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

2011

Effect of ion irradiation-produced defects on the mobility of dislocations in 304 stainless steel

Briceño, M., Fenske, J., Dadfarnia, M., Sofronis, P. & Robertson, I. M., Feb 1 2011, In: Journal of Nuclear Materials. 409, 1, p. 18-26 9 p.

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

Hydrogen interaction with multiple traps: Can it be used to mitigate embrittlement?

Dadfarnia, M., Sofronis, P. & Neeraj, T., Aug 1 2011, In: International Journal of Hydrogen Energy. 36, 16, p. 10141-10148 8 p.

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

Interpreting hydrogen-induced fracture surfaces in terms of deformation processes: A new approach

Martin, M. L., Robertson, I. M. & Sofronis, P., May 2011, In: Acta Materialia. 59, 9, p. 3680-3687 8 p.

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

On the environmental similitude for fracture in the SENT specimen and a cracked hydrogen gas pipeline

Dadfarnia, M., Sofronis, P., Somerday, B. P., Balch, D. K., Schembri, P. & Melcher, R., Aug 2011, In: Engineering Fracture Mechanics. 78, 12, p. 2429-2438 10 p.

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

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

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

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

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-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 1 2009, In: Journal of Pressure Vessel Technology, Transactions of the ASME. 131, 4, 041404.

Research output: Contribution to journal › Article › 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 1 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 1 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

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

Petros Sofronis

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