Results 131 to 140 of about 89,512 (318)

ELECTROCHEMICAL POLISHING FOR THE SURFACE FINISHING OF Ti6AI4V OTTENUTI PER ADDITIVE MANUFACTURED COMPONENTS: AN INVESTIGATION INTO THE EFFECTIVENESS AND OPTIMAL PARAMETERS OF THIS INNOVATIVE PROCESS

, 2023
openL'Electrochemical Polishing è un processo di finitura superficiale innovativo per quanto riguarda la lavorazione di componenti prodotti tramite Additive Manufacturing (AM). Consiste in un processo elettrochimico in cui un catodo metallico e il pezzo
TOGNAZZO, MATTEO
core  

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

Advanced Engineering Materials, EarlyView.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

Time‐Dependent Oxidation and Scale Evolution of a Wrought Co/Ni‐Based Superalloy

Advanced Engineering Materials, EarlyView.
This study shows how a new wrought Co/Ni‐based superalloy resists oxidation at 800 ∘$^\circ$C. The oxide scale changes from rough, fast‐growing spinel to a dense, protective chromia–alumina layer. Atom probe analysis reveals tiny refractory‐rich bubbles at the interface that mark the transition to long‐term, diffusion‐controlled protection ...
Cameron Crabb, Zachary T. Kloenne, Samuel R. Rogers, Chi Hang Dominik Kwok, Mark C. Hardy, Michele S. Conroy, David Dye   +6 more
wiley   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

Advanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich, Lenka Kunčická, Pavel Czernek, Zifan Wang   +3 more
wiley   +1 more source

A comprehensive review of dwell time optimization methods in computer-controlled optical surfacing

Light: Advanced Manufacturing
Dwell time plays a vital role in determining the accuracy and convergence of the computer-controlled optical surfacing process. However, optimizing dwell time presents a challenge due to its ill-posed nature, resulting in non-unique solutions. To address
Tianyi Wang, Xiaolong Ke, Lei Huang, Qingqing Cui, Zili Zhang, Chunjin Wang, Hyukmo Kang, Weslin Pullen, Heejoo Choi, Daewook Kim, Vipender Negi, Qian Kemao, Yi Zhu, Stefano Giorgio, Philip Boccabella, Nathalie Bouet, Corey Austin, Mourad Idir   +17 more
doaj   +1 more source

Machine tool for laser polishing - automated polishing in tool making

, 2022
S.465-469In industrial manufacturing the automated polishing of complex shaped 3D parts is still a demanding task. In many branches like tool making manual polishing is still state of the art. A new approach for polishing 3D parts is polishing with laser
Willenborg, E., Flemmer, J., Ross, I., Kumstel, J.   +3 more
core  

Understanding the Stochastic Nature of Process Parameter Development of Blown Powder Laser Beam Directed Energy Deposition Additive Manufacturing of Pure Molybdenum

Advanced Engineering Materials, EarlyView.
Identified through the use of statistical design of experiments and metallographic investigation, this study exposes the stochastic origins of intergranular cracks in blown powder laser beam directed energy deposition additive manufacturing of pure molybdenum. It further demonstrates a successful crack mitigation approach with direct correlation to the
Nathaniel J. Lies, Daniel E. Driemeyer, Aaron P. Stebner   +2 more
wiley   +1 more source

Metallography Specimen Mounting Device Suitable for Industrial or Educational Purposes

Applied Mechanics
This work presents a novel, compact (six pieces), low-cost (
Alfredo Márquez-Herrera
doaj   +1 more source

Research on Quick Polishing of CVD Diamond Film

, 2011
Polycrystalline CVD diamond film possesses many advanced physical and mechanical properties which makes it a very important engineering material. However, high hardness value and extreme brittleness have made CVD diamond film a very difficult material to
C.L.Chao; Fan, W.H.; Chou, W.C.; Chien, C.Y.; Lin , H.Y. and J.G., 趙崇禮; 周文成; 林夏蓁; 簡川于, Chao, C. L.; Chou, W. C.; Lin, H. C.; Chien, C. Y.   +2 more
core   +1 more source

Robust Spot Melting by 3D Spot Arrangements in Electron Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
This work proposes an approach to replace separately melted contours for spot melting in electron beam powder fusion. Adapting the spot arrangements close to the contour combined with stacking yields a comparable surface quality without the inherent challenges of separate contours, as demonstrated, by electron optical images and roughness measurements.
Tobias Kupfer, Lukas Spano, Sebastian Pohl, Carolin Körner, Matthias Markl   +4 more
wiley   +1 more source