Publications related to Hypervelocity impact testing on stochastic and structured open porosity cast Al-Si cellular structures for space applications

The sediment challenge of Swiss river corridors interrupted by man-made reservoirs

Giovanni De Cesare, Pedro Filipe De Almeida Manso, Samuel Luke Vorlet, Christian Mörtl

Depending on their characteristics and management, man-made reservoirs can have a significant impact on the natural sediment continuity of rivers. We classify different reservoir types and describe potential risks for the dam and downstream river reach. Ou ...

CRC Press2020

Engineered acoustic mismatch for anchor loss control in contour mode resonators

Luis Guillermo Villanueva Torrijo, Annalisa De Pastina, Andrea Lozzi

Improving the quality factor (Q) of electromechanical resonators is of paramount importance for different applications, ranging from RF filtering to sensing. In this paper, we present a modified fabrication process flow for contour mode resonators to simul ...

2019

Crystalline and correlated phases in two-dimensional transition metal dichalcogenides

Diego José Pasquier

This thesis is dedicated to the study of various aspects of the electronic structure of two-dimensional transition metal dichalcogenides (TMDs) of chemical composition MX

_2

(where M is a transition metal atom and X= S, Se, Te), using a combination of \te ...

EPFL2019

The Periodic Table and Kinetics?

André Merbach, Lothar Helm

Mendeleev in his first publication ordered the chemical elements following an apparent periodicity of properties such as atomic volume and valence. The reactivity of the elements was only studied systematically many years later. To illustrate the systemati ...

2019

Shock-produced high-pressure (La, Ce, Th)PO4 polymorph revealed by microstructural phase heritage of monazite

Cyril Cayron

The responses of uranium-bearing accessory minerals to shock metamorphism have received growing interest, because under extreme pressure and temperature conditions, these phases can form unique microstructures and/or polymorphs and their radiometric ages c ...

GEOLOGICAL SOC AMER, INC2019

Periodic cellular aluminum structures for space applications

Florian Thibaut Gallien

Mass is one of the crucial parameters for hardware that has to be placed in Earth orbit. Due to its harsh environment, a material with highest specific properties is desired to achieve space missions. The rise and development of new technologies, such as a ...

EPFL2018

A Dynamical System Based Approach for Controlling Robotic Manipulators During Non-contact/Contact Transitions

Aude Billard, Seyed Sina Mirrazavi Salehian

Many daily life tasks require precise control when making contact with surfaces. Ensuring a smooth transition from free motion to contact is crucial as incurring a large impact force may lead to unstable contact with the robot bouncing on the surface, i.e. ...

2018

Stable Transitions from Free-space to Contact: A Dynamical System Based Approach

Aude Billard, Seyed Sina Mirrazavi Salehian

In this work, we propose a dynamical system based strategy for establishing a stable contact with convex shaped surfaces during non-contact/contact scenarios. A contact is called stable if the impact occurs only once and the robot remains in contact with t ...

2018

Transitioning with confidence during contact/non-contact scenarios

Aude Billard, Nadia Barbara Figueroa Fernandez, Seyed Sina Mirrazavi Salehian, Hsiu-Chin Lin

In this work, we propose a dynamical system based strategy for establishing a stable contact with convex shaped surfaces during non-contact/contact scenarios. A contact is called stable if the impact occurs only once and the robot remains in contact with t ...

In Proceedings of the Workshop on Towards Robots that Exhibit Manipulation Intelligence.2018

Stitched shape memory alloy wires enhance damage recovery in self-healing fibre-reinforced polymer composites

Véronique Michaud, Amaël Maximilien Cohades, Nathan Klaus Hostettler

A major issue in composite technology is matrix micro-cracking due to low-velocity impact damage, which may severely limit service lifetimes of composite parts. In a novel approach, remarkable levels of healing of impact damage are obtained using shape mem ...

2018

Hypervelocity impact testing on stochastic and structured open porosity cast Al-Si cellular structures for space applications

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The sediment challenge of Swiss river corridors interrupted by man-made reservoirs

Engineered acoustic mismatch for anchor loss control in contour mode resonators

Crystalline and correlated phases in two-dimensional transition metal dichalcogenides

The Periodic Table and Kinetics?

Shock-produced high-pressure (La, Ce, Th)PO4 polymorph revealed by microstructural phase heritage of monazite

Periodic cellular aluminum structures for space applications

A Dynamical System Based Approach for Controlling Robotic Manipulators During Non-contact/Contact Transitions

Stable Transitions from Free-space to Contact: A Dynamical System Based Approach

Transitioning with confidence during contact/non-contact scenarios

Stitched shape memory alloy wires enhance damage recovery in self-healing fibre-reinforced polymer composites

Periodic cellular aluminum structures for space applications

Stable Transitions from Free-space to Contact: A Dynamical System Based Approach

Transitioning with confidence during contact/non-contact scenarios

Crystalline and correlated phases in two-dimensional transition metal dichalcogenides

Engineered acoustic mismatch for anchor loss control in contour mode resonators

The Periodic Table and Kinetics?

Shock-produced high-pressure (La, Ce, Th)PO4 polymorph revealed by microstructural phase heritage of monazite

The sediment challenge of Swiss river corridors interrupted by man-made reservoirs

Stitched shape memory alloy wires enhance damage recovery in self-healing fibre-reinforced polymer composites

A Dynamical System Based Approach for Controlling Robotic Manipulators During Non-contact/Contact Transitions