Publications associées à Achieving strength-ductility synergy in AISI 904L superaustenitic alloy through severe plastic deformation and post-deformation annealing

Publications associées (12)

In-situ neutron diffraction revealing microstructure changes during laser powder bed fusion and in-situ laser heat treatments of 316L and 316L-Al1

Roland Logé, Claire Navarre, Shieren Sumarli

The versatility and flexibility in laser-based layer-wise additive manufacturing processes allow for the fabrication of metallic parts with tailorable mechanical properties. Interest in microstructure control during the process has led to varying applicati ...

2025

Fabrication of Multi-Material and Functionally Graded Metal Structures with Additive and Hybrid Manufacturing Methods

Antonios Nikolaos Baganis

Multi-material structures have gained significant attention for their ability to combine properties of different alloys, making them promising for technical applications and potential replacements for conventional single-alloy components. The advancement o ...

EPFL2025

QUANTIFICATION OF COHESIVE PROPERTIES IN BIOINSPIRED INTERFACES OF 3D-PRINTED HETEROGENEOUS MATERIALS

Umut Altuntas

This study employs a Cohesive Zone Model to quantitatively evaluate the evolution of interfacial fracture parameters across various interface architectures. Employing the Material Extrusion (ME) type 3D printing method, sutural interfaces characterized by ...

American Society of Mechanical Engineers (ASME)2025

Fluid Chemistry Effect on Localized and Ductile Deformation of a Porous Sandstone

Marie Estelle Solange Violay, Gabriel Gérard Dominique Meyer, Francesco Lazari

In geological reservoirs, pore fluid chemistry can affect rock strength by inducing mineral dissolution, precipitation, and alteration, among other processes. Increasing pressure and temperature can shift deformation from localized to ductile, decreasing p ...

2025

Deciphering tensile fatigue behavior of UHPFRC using magnetoscopy, DIC and acoustic emission

Eugen Brühwiler, Alain Nussbaumer, Jian Zhan

To explore the governing mechanism underlying the tensile fatigue behavior of Ultra-high Performance Fiber Reinforced Cementitious Composites (UHPFRC), this study tested eight specimens using four advanced non-destructive measurement techniques. First, mag ...

2025

An in-situ/operando laser powder bed fusion system for advanced neutron characterization

Shieren Sumarli

The landscape of production technologies for three-dimensional structures is experiencing a significant transformation, driven by advancements in computer-controlled layer-wise material deposition techniques, commonly known as additive manufacturing (AM) o ...

EPFL2025

Tensile Properties of Ex-Situ Ti-TiC Metal Matrix Composites Manufactured by Laser Powder Bed Fusion

Roland Logé

Titanium-based Metal Matrix Composites (MMCs) manufactured by additive manufacturing offer tremendous lightweighting opportunities. However, processing the high reinforcement contents needed to substantially improve elastic modulus while conserving signifi ...

2024

X-ray tensor tomography for small-grained polycrystals with strong texture

Marianne Liebi

Small-angle X-ray tensor tomography and the related wide-angle X-ray tensor tomography are X-ray imaging techniques that tomographically reconstruct the anisotropic scattering density of extended samples. In previous studies, these methods have been used t ...

INT UNION CRYSTALLOGRAPHY2024

Uniaxial Cyclic and Tensile Tests on Structural Metallic Materials

Dimitrios Lignos, Albano António De Abreu E Presa De Castro E Sousa, Selimcan Ozden

Experimental data is imperative to characterize the behavior of materials used in structural analysis models. The aim of this data paper is to establish a database of material-scale uniaxial experiments, primarily conducted at EPFL, to assist with simulati ...

ASCE-AMER SOC CIVIL ENGINEERS2023

Origin of the enhanced pseudo-elasticity of additively manufactured Fe-17Mn-5Si-4Ni-10Cr-(V, C) shape memory alloy fabricated by laser powder bed fusion

Christian Leinenbach, Irene Ferretto

This study investigated the origin of the enhanced pseudo-elasticity of additively manufactured vanadium carbide-containing Fe-based shape memory alloys. The aged samples with two different starting microstructures, as-built and solution-treated, showed co ...

Elsevier Science Sa2023

Polydimethylsiloxane based soft polymer optical fibers: From the processing-property relationship to pressure sensing applications

Fabien Sorin, Khushdeep Sharma

Polydimethylsiloxane (PDMS) based soft polymer optical fibers (POFs) have recently demonstrated their intriguing potential for different sensing applications like strain or temperature sensing. Recent studies have elaborated on the sensing capability of PD ...

2023

Folding the Energy Storage: Beyond the Limit of Areal Energy Density of Micro-Supercapacitors

Minkyung Kim

Despite the ever-growing interest in micro-supercapacitors (MSCs) as a promising power source for microelectronics, their low areal energy density has plagued practical applications. Herein, accordion foldable MSCs (af-MSCs) are presented as a cell archite ...

WILEY-V C H VERLAG GMBH2023