Tesfaye Molla

Hybridisation of microstructures from three classes of titanium alloys

Ahmad Zafari, Edward W Lui, Shenbao Jin, Mogeng Li, Tesfaye T Molla, Gang Sha, Kenong Xia

Journal article  |  2020  |  Materials Science and Engineering: A

A ternary hybrid Ti alloy (HYTA) was produced by selective laser melting (SLM), combining all three classes of the titanium system..

Computational Efficient Modeling of Sintering in Multi-component Alloys for ICME Applications

TT Molla, JZ Liu, GB Schaffer

Journal article  |  2020  |  Metallurgical and Materials Transactions B

The major challenge while using sintering models for simulation of densification in multi-component alloys is finding the correct ..

Computational Design of Functionally Graded Materials from Sintered Powders

T Molla, Zhe Liu, Graham Schaffer

Journal article  |  2019  |  Integrating Materials and Manufacturing Innovation

A new computational method is presented for the efficient design of alloy systems in functionally graded materials (FGMs), optimiz..

Modeling the Mechanical Integrity of Generic Solid Oxide Cell Stack Designs Exposed to Long‐term Operation

T Molla, Kawai Kwock, Henrik Frandsen

Journal article  |  2018  |  Fuel Cells

Thermal cycling and creep in metallic interconnects during operation of solid oxide cell (SOC) stacks could cause contact losses i..

Development of high temperature mechanical rig for characterizing the viscoplastic properties of alloys used in solid oxide cells

T Molla, F Greco, K Kwok, P Zielke, H Frandsen

Journal article  |  2018  |  Journal of Testing and Evaluation

An ICME Framework for Design of Stainless Steel for Sintering

T Molla, Zhe Liu, Graham Schaffer

Journal article  |  2018  |  Integrating Materials and Manufacturing Innovation

Recent progress in the development of integrated computational materials engineering (ICME) models offers new capabilities to deal..

Transient deformational properties of high temperature alloys used in solid oxide fuel cell stacks

Tesfaye Tadesse Molla, Kawai Kwok, Henrik Lund Frandsen

Journal article  |  2017  |  Journal of Power Sources

Production and Reliability Oriented SOFC Cell and Stack Design

M Hauth, V Lawlor, P Cartellieri, C Zechmeister, S Wolff, C Bucher, J Malzbender, J Wei, A Weber, G Tsotridis, HL Frandsen, K Kwok, TT Molla, Z Wuillemin, J Van Herle, F Greco, T Cornu, A Nakajo, A Atkinson, L Vandeperre, et al.

Journal article  |  2017  |  ECS Transactions

Efficient modeling of metallic interconnects for thereto-mechanical simulation of SOFC stacks: Homogenized behaviors and effect of contact

Tesfaye Tadesse Molla, Kawai Kwok, Henrik Lund Frandsen

Journal article  |  2016  |  International Journal of Hydrogen Energy

Influence of temperature and atmosphere on the strength and elastic modulus of solid oxide fuel cell anode supports

De-Wei Ni, Benoit Charlas, Kawai Kwok, Tesfaye Tadesse Molla, Peter Vang Hendriksen, Henrik Lund Frandsen

Journal article  |  2016  |  Journal of Power Sources

Modeling constrained sintering of bi-layered tubular structures

Tesfaye Tadesse Molla, Dhavanesan Kothanda Ramachandran, De Wei Ni, Vincenzo Esposito, Francesca Teocoli, Eugene Olevsky, Rasmus Bjork, Nini Pryds, Andreas Kaiser, Henrik Lund Frandsen

Journal article  |  2015  |  Journal of the European Ceramic Society

Finite Element Modeling of Camber Evolution During Sintering of Bilayer Structures

Tesfaye Tadesse Molla, De Wei Ni, Regina Bulatova, Rasmus Bjork, Christian Bahl, Nini Pryds, Henrik Lund Frandsen

Journal article  |  2014  |  Journal of the American Ceramic Society

Multi-scale modeling of shape distortions during sintering of bi-layers

Tesfaye Tadesse Molla, Rasmus Bjork, Eugene Olevsky, Nini Pryds, Henrik Lund Frandsen

Journal article  |  2014  |  Computational Materials Science

Modeling Macroscopic Shape Distortions during Sintering of Multi-layers

TT Molla

Thesis / Dissertation  |  2014

Sintering of Multilayered Porous Structures: Part II-Experiments and Model Applications

De Wei Ni, Eugene Olevsky, Vincenzo Esposito, Tesfaye T Molla, Soren PV Foghmoes, Rasmus Bjork, Henrik L Frandsen, Elena Aleksandrova, Nini Pryds

Journal article  |  2013  |  Journal of the American Ceramic Society

Sintering of Multilayered Porous Structures: Part I-Constitutive Models

Eugene Olevsky, Tesfaye Tadesse Molla, Henrik Lund Frandsen, Rasmus Bjork, Vincenzo Esposito, De Wei Ni, Aleksandra Ilyina, Nini Pryds

Journal article  |  2013  |  Journal of the American Ceramic Society

Modeling kinetics of distortion in porous bi-layered structures

Tesfaye Tadesse Molla, Henrik Lund Frandsen, Rasmus Bjork, De Wei Ni, Eugene Olevsky, Nini Pryds

Journal article  |  2013  |  Journal of the European Ceramic Society

Camber Evolution and Stress Development of Porous Ceramic Bilayers During Co-Firing

De-Wei Ni, Vincenzo Esposito, Cristine Grings Schmidt, Tesfaye Tadesse Molla, Kjeld Bohm Andersen, Andreas Kaiser, Severine Ramousse, Nini Pryds

Journal article  |  2013  |  Journal of the American Ceramic Society

Modeling Sintering of Multilayers Under Influence of Gravity

Henrik Lund Frandsen, Eugene Olevsky, Tesfaye Tadesse Molla, Vincenzo Esposito, Rasmus Bjork, Nini Pryds

Journal article  |  2013  |  Journal of the American Ceramic Society

Exploring the Processing of Tubular Chromite- and Zirconia-Based Oxygen Transport Membranes

Astri Haugen, Lev Aguilera, Kawai Kwok, Tesfaye Molla, Kjeld Andersen, Stéven Pirou, Andreas Kaiser, Peter Hendriksen, Ragnar Kiebach

Journal article  |  Ceramics

Tubular oxygen transport membranes (OTMs) that can be directly integrated in high temperature processes have a large potential to ..