Concept
Welding
Related publications (192)
A parametric neutron Bragg edge imaging study of additively manufactured samples treated by laser shock peening
Roland Logé, Christian Leinenbach, Markus Strobl, Nikola Kalentics
Laser powder bed fusion is an additive manufacturing technique extensively used for the production of metallic components. Despite this process has reached a status at which parts are produced with mechanical properties comparable to those from conventiona ...
NATURE PORTFOLIO2021Adaptive Laser Welding Control: A Reinforcement Learning Approach
Silvio Zanoli, Giulio Masinelli
Despite extensive research efforts in the field of laser welding, the imperfect repeatability of the weld quality still represents an open topic. Indeed, the inherent complexity of the underlying physical phenomena prevents the implementation of an effecti ...
2020Performance of Embedded Bolt Shear Connectors
Scott Walbridge, Matthew James Sjaarda
A laboratory research program carried out at the University of Waterloo featured the testing of three large-scale steel-concrete composite beam specimens with embedded bolt shear connectors. A detailed assessment of the connector performance was made, faci ...
TAYLOR & FRANCIS LTD2020Enhanced strength and toughness of bulk ultrafine grained Cu by nacre-inspired lamellar structure
Roland Logé, Jun Wang, Chenguang Li
An ultrafine grained (UFG) bulk Cu with a novel nacre-inspired lamellar structure containing nano-bridges and aligned nanopores at inter-lamellar interfaces was fabricated by consolidation of a nanocrystal-attached ultrathin Cu flake powder by spark plasma ...
2020Fatigue properties of as-welded and post-weld-treated high-strength steel joints: The influence of constant and variable amplitude loads
Alain Nussbaumer, Heikki Tapani Remes, Halid Can Yildirim
In HSS welded structures, HFMI allows fatigue strength improvement factors by inducing compressive residual stresses, cold-worked surface region and modifying the weld toe shape. According to the literature, the factors are proposed based on failures at CA ...
2020Exploring the Chemical Reactivity of Gallium Liquid Metal Nanoparticles in Galvanic Replacement
Raffaella Buonsanti, Seyedehbehnaz Varandili, Dragos-Constantin Stoian, James Richard Pankhurst, Laia Castilla Amorós
Micron/nanosized particles of liquid metals possess intriguing properties and are gaining popularity for applications in various research fields. Nevertheless, the knowledge of their chemistry is still very limited compared to that of other classes of mate ...
AMER CHEMICAL SOC2020Diffractive optical elements in single crystal diamond
We demonstrate the design, fabrication, and experimental characterization of near-field binary phase transmission diffractive optical elements (DOEs) in single crystal diamond. Top-hat and arbitrary pattern DOE beam shapers were numerically optimized using ...
OPTICAL SOC AMER2020Current Center Line Integration in the Manufacturing Process of the ITER Toroidal Field Coils
The first ITER & x0027;s European Toroidal Field Coil (TFC) is going to be assembled in 2019. The TFC is composed mainly by the superconducting Winding Pack (WP - manufactured in Europe), and the Coil Cases (TFCC - manufactured in Japan), which provide str ...
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2020Investigation of the effect of Laser Shock Peening in Additively Manufactured samples through Bragg Edge Neutron Imaging
Roland Logé, Markus Strobl, Nikola Kalentics
Additive manufacturing is a promising and rapidly rising technology in metal processing. However, besides a number of key advantages the constitution of a part through a complex thermo-mechanical process implies also some severe issues with the potential o ...
ELSEVIER20203D laser shock peening - A new method for improving fatigue properties of selective laser melted parts
Roland Logé, Christian Leinenbach, Nikola Kalentics, Manuel Ortega Varela De Seijas
Although Selective Laser Melting (SLM) currently revolutionizes the way parts are being manufactured, certain process inherent limitations such as accumulation of residual stresses and increased porosity content can lead to a decrease in fatigue life of pr ...
ELSEVIER2020