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Emilio Martínez Pañeda's blog

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Hydrogen embrittlement susceptibility of additively manufactured 316L stainless steel: Influence of post-processing, printing direction, temperature and pre-straining

Dear iMechanicians,

Let me bring your attention what I believe is the most comprehensive study in the area of hydrogen embrittlement of additively manufactured materials. You can find all details here:

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Postdoc position at the University of Oxford on phase field modelling of corrosion fatigue

Dear iMechanicians,

Let me bring to your attention the following postdoc position in my lab at the University of Oxford:

https://eng.ox.ac.uk/jobs/job-detail/?vacancyID=171348

I am looking for an enthusiastic postdoc to conduct finite element simulations to predict corrosion fatigue. The closing date is March 22.

Prof Emilio Martinez-Paneda

University of Oxford

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Postdoc position at the University of Oxford on modeling hydrogen-assisted fractures

Dear iMechanicians,

Let me bring to your attention the following postdoc position in my lab at the University of Oxford:
https://eng.ox.ac.uk/jobs/job-detail/?vacancyID=169307

I am looking for an enthusiastic postdoc to conduct finite element simulations to predict hydrogen embrittlement. The closing date is November 29.

Prof Emilio Martinez-Paneda
University of Oxford

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Multiple postdoc and PhD positions at the University of Oxford (deadline Sept 25)

Dear iMechanicians,

Let me bring to your attention the following PhD and postdoc positions within my group (the Mechanics of Materials Lab) at the University of Oxford. Please note the September 25 deadline for the postdoc jobs. 

General advert: https://www.empaneda.com/wp-content/uploads/2023/09/Recruitment.pdf

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Phase-field modeling of pitting and mechanically-assisted corrosion of Mg alloys for biomedical applications

Dear iMechanicians, I hope that the following work is of interest to you. We bring the phase field paradigm to the area of bio-material degradation to predict pitting and mechanically-assisted corrosion in Mg alloys used for biomedical applications. 

S. Kovacevic, W. Ali, E. Martínez-Pañeda, J. LLorca. Phase-field modeling of pitting and mechanically-assisted corrosion of Mg alloys for biomedical applications. Acta Biomaterialia 164, 641-658 (2023)

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2 Postdoc openings on hydrogen embrittlement at Imperial College London

The Mechanics of Infrastructure Materials research group is looking to hire two postdoctoral researchers to conduct research in the area of hydrogen embrittlement.

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3rd International Workshop on Plasticity, Damage and Fracture of Engineering Materials

 Dear colleagues,

Allow me to bring to your attention the 3rd edition of the International Workshop on Plasticity, Damage and Fracture of Engineering Materials, to be held in Istambul on October 4-6, 2023 (Link

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Postdoc on hydrogen-assisted fracture at Imperial College London

The Mechanics of Infrastructure Materials research group is looking to hire a Postdoctoral Research Associate (PDRA) to work on hydrogen embrittlement modelling. The postdoc will be based at Imperial College London and supervised by Dr Emilio Martínez-Pañeda. Salary: £43,093 – £50,834.

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Postdoc on multi-physics modelling of solid-state batteries at Imperial College London

The Mechanics of Infrastructure Materials research group is looking to hire a Postdoctoral Research Associate (PDRA) to work on multi-physics continuum modelling of solid-state batteries. The postdoc will be co-supervised by Dr Emilio Martínez-Pañeda (Mechanics of Materials) and by Prof Greg Offer and Dr Monica Marinescu from Imperial's Battery group.

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An electro-chemo-mechanical framework for predicting hydrogen uptake in metals due to aqueous electrolytes

Dear iMechanicians, I hope that our latest paper is of interest. We develop an electro-chemo-mechanics framework that enables, for the first time, to quantify hydrogen uptake for any environment. 
Predicting hydrogen uptake

https://doi.org/10.1016/j.corsci.2022.110681

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Griffith-based analysis of crack initiation location in a Brazilian test

Dear iMechanicians, I hope that the paper below is of interest, given the wide use this experiment. Essentially, we use the generalised Griffith criterion to determine the crack initiation location in the Brazilian split test, establishing the conditions (jaws geometry and material properties) that lead to a valid test. We find that the range of conditions where the Brazilian test is valid is much narrower than previously thought, with current standards being inappropriate for a wide range of rock-like materials.

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A stress-based poro-damage phase field model for hydrofracturing of creeping glaciers and ice shelves

Dear iMechanicians, I hope that you find the paper below of interest. Glaciology is a challenging and exciting area and I think there is a need to bring more mechanics and physics into it

A stress-based poro-damage phase field model for hydrofracturing of creeping glaciers and ice shelves

Theo Clayton, Ravindra Duddu, Martin Siegert, Emilio Martínez-Pañeda

Engineering Fracture Mechanics 272, 108693 (2022)

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A coupled phase field formulation for modelling fatigue cracking in lithium-ion battery electrode particles

Dear iMechanicians - I hope this is of interest. We develop a model for predicting fatigue cracking in lithium-ion battery electrode particles. Existing models were limited to simulating one half charge cycle. 


Journal of Power Sources 544, 231805 (2022)

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A phase field electro-chemo-mechanical formulation for predicting void evolution at the Li–electrolyte interface in all-solid-state batteries

Dear iMechanicians - I hope this is of interest. We develop a phase field-based electro-chemo-mechanical model for predicting void evolution and current hot-spots in all-solid-state batteries as a function of applied pressure, charge and material properties. 

Journal of the Mechanics and Physics of Solids 167, 104999 (2022)

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Cracking predictions of lithium-ion battery electrodes by X-ray computed tomography and modelling


Dear iMechanicians,

I hope that the following work is of interest. We conduct the first multi-physics fracture simulation of Li-Ion battery electrodes. Phase field was combined with advanced X-ray CT imaging to predict degradation of realistic microstructures. 

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Postdoc position at Imperial College London on hydrogen assisted fracture

The Mechanics of Infrastructure Materials research group are looking to hire a Postdoctoral Research Associate (PDRA) to work in the prediction of hydrogen embrittlement using computational methods. The Research Associate will work under the supervision of Dr Emilio Martínez-Pañeda and the project is supported by TENARIS. 

 

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Phase field fracture predictions of microscopic bridging behaviour of composite materials

Dear iMechanicians,

I hope that you find the following paper of interest. We conducted 3D (phase field) fracture simulations that explicitly resolve the microstructure of composites, predicting the role of key mechanisms such as fibre bridging (i.e., an output of the model, not an input!). 

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Postdoc position at Imperial College London on predicting hydrogen embrittlement

The Mechanics of Infrastructure Materials research group are looking to hire a Postdoctoral Research Associate (PDRA) to work in the prediction of hydrogen-assisted failures using computational methods. The Research Associate will work under the supervision of Dr Emilio Martínez-Pañeda and the project is supported by the Electric Power Research Institute (EPRI).

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Postdoc on hydrogen embrittlement and corrosion at Imperial College London: experimental

The Mechanics of Infrastructure Materials research group are looking to hire a Postdoctoral Research Associate (PDRA) to work in the UKRI Future Leaders Fellowship grant NEWPHASE. The project, led by Dr Emilio Martínez-Pañeda, aims at tackling pressing material degradation challenges at the interface between mechanics and chemistry. 

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A phase field model for hydrogen-assisted fatigue

Dear iMechanicians. I hope that you find the below work interesting - we have developed the first phase field formulation for hydrogen assisted fatigue. Fatigue crack nucleation and growth is predicted for arbitrary geometries, loading histories, and H contents. Virtual S–N curves are also obtained. You can check it here: https://doi.org/10.1016/j.ijfatigue.2021.106521

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Postdoc position at Imperial College London on phase field modelling of corrosion

The Mechanics of Infrastructure Materials research group are looking to hire a Postdoctoral Research Associate (PDRA) to work in the development of new phase field-based models for predicting localised corrosion (pitting and stress corrosion cracking). The work is part of a wider project, led by Dr Emilio Martínez-Pañeda, that builds upon our recent JMPS work (https://doi.org/10.1016/j.jmps.2020.104254).

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An assessment of phase field fracture: crack initiation and growth

Dear iMechanicians,

We have contributed to the Special Issue organised by the Royal Society on occasion of the centenary of Griffith's seminal paper with a paper revisiting phase field fracture methods and their connection with conventional fracture mechanics theory. I hope that you find it of interest. (https://royalsocietypublishing.org/doi/10.1098/rsta.2021.0021)

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