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Phase Studies of Additively Manufactured Near Beta Titanium Alloy-Ti55511

Publications associées (37)

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A new model for the case of a superposition of a phase transformation and a microstructure transition from columnar plane front to equiaxed dendritic growth for peritectic alloys is presented. This model is applied to Fe-Ni alloys where a phase transition ...

WALTER DE GRUYTER GMBH2022

Results and insights of the April 2022 Academic Citizens’ Assembly

Sascha Nick

This report summarizes the process, results, and insights of the Academic Citizens’ Assembly held at EPFL and online on Saturday 02.04.2022: academiccitizensassembly.ch. ...

The Academic Citizens’ Assembly2022

A ductility criterion for bcc high entropy alloys

William Curtin, Binglun Yin, Eleanor Yi Kei Mak

A current goal driving alloy development is the identification of alloy compositions for high temperature applications but with the additional requirement of sufficient ductility at ambient temperatures. Multicomponent, single-phase, polycrystalline High E ...

PERGAMON-ELSEVIER SCIENCE LTD2021

In 1952, Frank (Proc R Soc Lond Ser-Math Phys Sci 215:43-46, 1952) already postulated that Icosahedral Short Range Order (ISRO) of atoms in the liquid could possibly explain the large nucleation undercoolings measured in metallic alloys by Turnbull and Fis ...

SPRINGER2020

A FeCrCuMnNi high-entropy alloy was produced using vacuum induction melting, starting from high-purity raw materials. The microstructure and mechanical properties of the as-cast FeCrCuMnNi alloy were studied, considering x-ray diffraction (XRD), scanning e ...

SPRINGER2019

Determining the Optimal Phase-Change Material via High-Throughput Calculations

Amina Matt

The discovery and optimization of phase-change and shape memory alloys remain a tedious and expensive process. Here a simple computational method is proposed to determine the ideal phase- change material for a given alloy composed of three elements. Using ...

2019

A method for manufacturing an electrical conductor is herein disclosed, said method comprising a) providing a substrate comprising on a surface thereof a solid metal conductive layer or film; b) depositing a liquid metal on said solid layer; c) allowing sa ...

2019

Effect of powder characteristics and oxygen content on modifications to the microstructural topology during hot isostatic pressing of an austenitic steel

Cyril Cayron

The effect of powder size distribution and oxygen content on the extent of multiple twinning and spatial distribution of oxide inclusions in hot isostatic pressed (HIPed) 316L steels was investigated using powders with different characteristics. Modificati ...

PERGAMON-ELSEVIER SCIENCE LTD2019

Strength and fracture of silicon second-phase particles in aluminium casting alloys

Martin Guillermo Mueller

The mechanical behaviour of metallic materials that have a microstructure composed of a brittle phase embedded in a ductile matrix is dictated by a complex interplay of factors such as local phase properties, cohesive properties, geometrical characteristic ...

EPFL2017

First-principles investigation of phase stability in the Mg-Sc binary alloy

Anirudh Raju Natarajan

The recent discovery of shape memory behavior in Mg-Sc alloys has opened the door to the possibility of lightweight shape memory alloys. Very little is known, however, about martensitic phase transformations or about equilibrium phase stability in this all ...

APS2017