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Related papers: Stress-induced phase transformations in Ti-15Mo al…

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Aiming to simulate the radiation damage effect on a dual alpha+beta phase Ti-6Al-4V alloy utilized as high-intensity accelerator beam window material, a series of irradiation experiments were conducted with a 2.8 MeV-Fe^2+ ion beam in…

Materials Science · Physics 2024-09-04 Taku Ishida , Sho Kano , Eiichi Wakai , Tamaki Shibayama , Shunsuke Makimura , Hiroaki Abe

Ceramics are typically brittle at ambient conditions due to their covalent or ionic bonding and limited dislocation activities. While plasticity, and occasionally superplasticity, can be achieved in ceramics at high temperatures through…

We report on a quantitative investigation into the effect of size and distribution of rod-shaped \beta' precipitates on strength and ductility of a Mg-Zn alloy. Despite precipitation strengthening being crucial for the practical application…

Materials Science · Physics 2012-10-02 Julian M. Rosalie , Hidetoshi Somekawa , Alok Singh , Toshiji Mukai

Silicon undergoes a phase transition from the semiconducting diamond phase to the metallic beta-Sn phase under pressure. We use quantum Monte Carlo calculations to predict the transformation pressure and compare the results to density…

Materials Science · Physics 2014-04-23 R. G. Hennig , A. Wadehra , K. P. Driver , W. D. Parker , C. J. Umrigar , J. W. Wilkins

Exchange-coupling between soft- and hard-magnetic phases plays an important role in the engineering of novel magnetic materials. To achieve exchange coupling, a two-phase microstructure is necessary. This interface effect is further…

In this paper, we investigated the annealing experiments of poly(mercaptopropylmethylsiloxane, PMMS) confined within two types of porous templates (anodic aluminium oxide, AAO, and silica) characterized by different pore diameter, d=…

Mesoscale and Nanoscale Physics · Physics 2023-07-19 Sara Zimny , Magdalena Tarnacka , Monika Geppert-Rybczyńska , Kamil Kamiński

Fretting wear is a surface degradation process caused by oscillatory motion and contact slipping. During gross slip, high local stresses and plastic deformation in the surface and subsurface can lead to the creation of a nanosized grained…

High-pressure torsion (HPT) can facilitate phase transformations in titanium dioxide (TiO2) and stabilize its high-pressure columbite phase, as an active photocatalyst, by shear straining under high pressure. This study aims to understand…

Materials Science · Physics 2024-06-03 Jacqueline Hidalgo-Jimenez , Taner Akbay , Yuji Ikeda , Tatsumi Ishihara , Kaveh Edalati

The elastocaloric effect (eCE), referring to the thermal effect triggered by a uniaxial stress, provides a promising and versatile routine for green and high efficient thermal management. However, current eCE materials generally suffer from…

Materials Science · Physics 2025-03-04 Rui Cai , Zhiyang Wei , Hongjie Ren , Hanyang Qian , Xinyu Zhang , Yao Liu , Xiang Lu , Wen Sun , Meng Gao , Enke Liu , Jian Liu , Guowei Li

The CoCrFeNi alloy is widely accepted as an exemplary stable base for high entropy alloys (HEAs). Although various investigations prove it to be stable solid solution, its phase stability is still suspicious. Here, we identified that the…

Materials Science · Physics 2016-06-14 Feng He , Zhijun Wang , Qingfeng Wu , Junjie Li , Jincheng Wang , C. T. Liu

We carried out dynamic force manipulations $in$ $silico$ on a variety of superhelical protein fragments from myosin, chemotaxis receptor, vimentin, fibrin, and phenylalanine zippers that vary in size and topology of their $\alpha$-helical…

Biological Physics · Physics 2017-03-10 Kirill A. Minin , Artem Zhmurov , Kenneth A. Marx , Prashant K. Purohit , Valeri Barsegov

The deformation mechanisms governing the cyclic stress-strain behaviour of a TiNi shape memory alloy were investigated in this work. To understand the development of these mechanisms during cyclic loading, three low-cycle fatigue tests were…

Materials Science · Physics 2013-01-09 Anne-Lise Gloanec , Giovambattista Billota , Michel Gerland

Low-cost transition metal high-entropy nanoalloys are emerging as sustainable alternatives to platinum group electrocatalysts. Synthesis conditions of single-phase solid solutions can alter phase stability, causing surface composition…

Crystalline to amorphous phase transformation during initial lithiation in (100) silicon-wafers is studied in an electrochemical cell with lithium metal as the counter and reference electrode. It is demonstrated that severe stress jumps…

We report annealing induced exchange bias in Fe-Cu-Pt based heterostructures with Cu as an intermediate layer (Fe/Cu/Pt heterostructure) and capping layer (Fe/Pt/Cu heterostructure). Exchange bias observed at room temperature (300 K) is…

Materials Science · Physics 2019-04-26 M. A. Basha , Harsh Bhatt , Yogesh Kumar , C. L. Prajapat , M. Gupta , V. Karki , S. Basu , Surendra Singh

Recently, we reported an anomalous enhancement of the positive magnetoresistance beyond a critical magnetic field in Tb5Si3 in the magnetically ordered state, attributable to 'inverse metamagnetism'. This results in unusual magnetic…

Strongly Correlated Electrons · Physics 2015-06-03 K. Mukherjee , Kartik K. Iyer , E. V. Sampathkumaran

Ferroelectricity in sputtered undoped-HfO$_2$ is attractive for composition control for low power and non-volatile memory and logic applications. Unlike doped HfO$_2$, evolution of ferroelectricity with annealing and film thickness effect…

Kinetics of polymorphous "gamma"-"alfa" transformation in Fe is studied numerically within a model taking into account both lattice and magnetic degrees of freedom, based on first-principle calculations of the total energy for different…

Materials Science · Physics 2013-03-21 I. K. Razumov , Yu. N. Gornostyrev , M. I. Katsnelson

Computational searches for stable and metastable structures of water ice and other H:O compositions at TPa pressures have led us to predict that H$_2$O decomposes into H$_2$O$_2$ and a hydrogen-rich phase at pressures of a little over 5…

Materials Science · Physics 2013-06-25 Chris J. Pickard , Miguel Martinez-Canales , Richard J. Needs

Single-phase, multi-elements (three or more) with high concentrations show exceptional tensile strength up to ~ 0.8-1.2 GPa. However, they possess a very low 0.2% yield strength (YS), i.e., they can be permanently deformed at very…