In-situ Microstructural Control and Process Monitoring in Laser Powder Bed Fusion of Ti-6Al-4V Alloy

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Extrusion-based 3D printing of stiff materials for advanced photonic applications

Pauline Camille Charlotte Pradal

Certain biological materials, such as chameleons and peacocks, display bright and vivid colors. These colors are created by the constructive interference of light that is reflected from colloidal crystals, generating the so-called structural colors. These ...

EPFL2024

Investigating laser beam shadowing and powder particle dynamics in directed energy deposition through high-fidelity modelling and high-speed imaging

Christian Leinenbach

Laser beam shadowing in directed energy deposition process occurs when in-flight powder particles partially block the laser beam, preventing it from fully reaching the melt pool. This blockage alters the beam's profile, introducing spatio-temporal randomne ...

ELSEVIER2024

Stability of untransformed ferrite in 10Cr ODS steel

Roland Logé

The development of generation IV nuclear reactor requires improvements in structural and cladding materials. Oxide dispersion strengthened (ODS) steels are promising candidates because of improved creep properties. Two main families of ODS steels are known ...

ELSEVIER2023

Atomic-scale Characterization of Strain and Gate effects on Two-dimensional Materials by Scanning Tunneling Microscopy

Jz -Yuan Juo

Strain is an inevitable phenomenon in two-dimensional (2D) material, regardless of whether the film is suspended or supported. Moreover, strain is known to alter the physical and chemical properties, such as the band gap, charge carrier effective masses, d ...

EPFL2023

Enhanced Electric Motors using Multi-Functional 3D Printed Winding with Integrated Heat Sinks

Yves Perriard, Adrien Jean-Michel Thabuis, Xiaotao Ren

Electrical machines are the central components of many energy conversion systems. Developing the performance of these devices is critical for improved energy management in our society. A new generation of electrical equipment has been enabled by the recent ...

2023