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Steven Van Petegem

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https://people.epfl.ch/199201

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Courses taught by this person (2)

MSE-435: Material science at large scale facilities

This course provides a broad introduction into materials research using synchrotron X-rays, neutrons and myons. After an introduction into large scale facilities, we will dive into the different metho

MSE-663: Powder Diffraction School - Modern Syncrotron Methods

Modern synchrotron-radiation methods not only provide data of exceptional quality, but have allowed previously inaccessible experiments to be performed. The school will give a broad overview of all po

Related units (1)

Laboratory for X-ray characterization of materials

EPFL
STI
IMX
CAM-X

Related publications (34)

Please note that this is not a complete list of this person’s publications. It includes only semantically relevant works. For a full list, please refer to Infoscience.

Verification of selective laser melting heat source models with operando X-ray diffraction data

Helena Van Swygenhoven, Steven Van Petegem, Samy Hocine

The output obtained from operando X-ray diffraction experiments on Ti-6Al-4V is used to verify the accuracy of four FEM models in predicting the temperature evolution of the solidified domain, the cooling rates of the alpha and beta phases, and the influen ...

ELSEVIER2021

Characterization, mechanical properties and dimensional accuracy of a Zr-based bulk metallic glass manufactured via laser powder-bed fusion

Roland Logé, Jamasp Jhabvala, Steven Van Petegem, Navid Sohrabi, Antonia Neels, Annapaola Parrilli, Güven Kurtuldu, Efthymios Polatidis

Bulk metallic glasses (BMGs) are high-strength, highly elastic materials due to their disordered atomic structure. Because BMGs require sufficiently high cooling rates to bypass crystallization, laser-based additive manufacturing (AM) methods have recently ...

2020

Operando X-ray diffraction during laser 3D printing

Helena Van Swygenhoven, Steven Van Petegem, Samy Hocine, Nicola Casati

Laser based additive manufacturing allows to build a designed shape layer-by-layer, offering versatility and flexibility to many metallurgical sectors. The fast cooling rates and repeated heat cycles depending on the laser and scanning parameters are not e ...

2020