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Mechanistic origins of work hardening in shape memory alloy particle reinforced ex-situ bulk metallic glass matrix composites

Submitted by Parag Tandaiya on
research
#Bulk Metallic Glasses
Advanced FEM
Shape Memory Alloys
work hardening

Monolithic Bulk Metallic Glasses (BMGs) exhibit strain softening or elastic-perfectly plastic response under uniaxial loading. However, shape memory alloy particle reinforced BMG matrix composites show strong work hardening in experiments. In our recent paper published in Scripta Materialia, we explain the Mechanistic origins of work hardening in shape memory alloy particle reinforced ex-situ bulk metallic glass matrix composites through three dimensional finite element simulations.

Bioinspired Materials with Self‐Adaptable Mechanical Properties

Submitted by santiago.orrego on
research

Dear iMechanica,

We are very excited to share the news that our recent work on bioinspired materials with self‐adaptable mechanical properties is published in Advanced Materials.

https://onlinelibrary.wiley.com/doi/abs/10.1002/adma.201906970

The work was done in collaboration with Prof. Kang from Johns Hopkins University

A Phase-Field Model for Non-Isothermal Phase Transformation and Plasticity in Polycrystalline Yttria-Stabilized Tetragonal Zirconia

Submitted by mohsenzaeem on
research
Phase field model; Elastoplastic; Zirconia

C. Cissé and M. Asle Zaeem. A phase-field model for non-isothermal phase transformation and plasticity in polycrystalline yttria-stabilized tetragonal zirconia.  Acta Materialia 191 (2020) 111-123. 

Ecoflex polymer : Comprehensive experimental study and constitutive modelling

Submitted by mokarram76 on
research
Ecoflex
shore hardness
continuum thermomechanics

We have published two papers on Ecoflex, a popular silicone polymer in recent days. The polymer is largely temperature- and strain rate-insensitive. It comes up with several Shore Hardnesses. We characterize five Shores and develop a novel Shore-dependent modelling framework

Mechanics of Materials >> https://www.sciencedirect.com/science/article/pii/S016766362030020X

First Overlay Journal in Solid Mechanics is launched. Call for handling editors

Submitted by vacary on
research

Dear members of iMechanica,

We are very pleased to announce the born of the first overlay journal in Solid Mechanics the so-called

 Journal of Theoretical, Computational and Applied Mechanics https://jtcam.episciences.org

which is a scholarly journal, provided on a Fair Open Access basis, without cost to both readers and authors. The Journal aims to select publications of the highest scientific caliber in the form of either original research or review in Solid Mechanics. 

Machine Learning for Fracture Mechanics

Submitted by christos_athanasiou on
research
fracture
machine learning

Safer batteries, more efficient gas-turbine engines and solar cells, all require better-engineered nanocomposite materials. There is a limitation though -- how to investigate the fracture mechanics of these materials? Machine learning can help us overcome this limitation. Read more in our just-published paper: https://lnkd.in/e7dPBtx

Investigation of Spindle Rotation Rate Effects on the Mechanical Behavior of Friction Stir Welded Ti 4Al 2V Alloy

Submitted by Mohammadreza_Aali on
research

Nowadays, titanium and its alloys are widely utilized in various industrial parts in such areas as the petrochemical, medical, and automotive industries; However, due to structural considerations, the application is problematic in cases of joining. Ti 4Al 2V is a new type of titanium alloy, that in point of the structure is near to the α-series, which have many applications in critical conditions (moisture, steam, temperature, etc.).

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