Results 101 to 110 of about 101,726 (309)

Criticality of porosity defects on the fatigue performance of wire + arc additive manufactured titanium alloy [PDF]

, 2019
This study was aimed at investigating the effect of internal porosity on the fatigue strength of wire + arc additive manufactured titanium alloy (WAAM Ti-6Al-4V).
Awd, Mustafa, Biswal, Romali, Ding, Jialuo, Syed, Abdul, Walther, Frank, Williams, Stewart, Zhang, Xiang   +6 more
core   +2 more sources

Tailored Hierarchical Porous Copper Architectures via Three Dimensional Printing and Pressure‐less Sintering for Next‐Generation Lithium‐Metal Batteries

Advanced Engineering Materials, EarlyView.
A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley   +1 more source

Crack path selection at the interface of wrought and wire+arc additive manufactured Ti–6Al–4V [PDF]

, 2016
Crack propagation deviation tendency in specimens containing an interface between wrought alloy substrate and Wire + Arc Additive Manufacture (WAAM) built Ti–6Al–4V is investigated from the viewpoints of microstructure, residual stress and bi-material ...
Addison, Antonysamy, Antonysamy, ASTM, Baufeld, Baufeld, Brandl, Brandl, Colegrove, Dahlin, Dattoma, Ding, Edwards, Edwards, Edwards, Evans, Fan, Frazier, Hills, Irwin, Kelly, Leuders, Lorant, Martina, Mok, Nègre, Paradowska, Peters, Pippan, Prime, Prime, Rangaswamy, Schroeder, Taminger, Van Hooreweder, Wang, Wang, Zhang, Zhang, Zhu   +39 more
core   +3 more sources

Thermomechanical Fatigue and Creep–Fatigue Interaction of Inconel 718 Additively Manufactured by Laser Beam Powder Bed Fusion

Advanced Engineering Materials, EarlyView.
Thermomechanical fatigue tests of laser beam powder bed fusion (PBF‐LB) Inconel 718 show that the additively manufactured material reaches almost the lifetimes of conventionally‐rolled material under no‐dwell conditions. Introducing dwell times at the maximum temperature markedly reduces the lifetimes due to pronounced grain boundary sliding associated
Stefan Guth, Tomáš Babinský, Jan Lars Riedel, Wen Hao Kan, Aijun Huang, Martin Heilmaier, Ivo Šulák   +6 more
wiley   +1 more source

Staged thermomechanical testing of nickel superalloys produced by selective laser melting [PDF]

, 2017
The creep performance of additively manufactured components remains an issue before additive manufacturing can be put fully implemented. In this study, Inconel 718 two-bar specimens are produced by selective laser melting and subjected to a ‘staged ...
Amato, Babout, Diltemiz, Hangai, Hyde, Jia, Jiang, Kruth, Marques, Marques, Maskery, Pröbstle, Rickenbacher, Sass, Schneider, Sugahara, Sun, Tammas-Williams, Terzi, Thompson   +19 more
core   +2 more sources

Effect of Laser Deoxidation on Adhesive‐Bonded Aluminum in an Oxygen‐Free Atmosphere

Advanced Engineering Materials, EarlyView.
This study investigates laser ablation of aluminum under oxygen‐free conditions. The goal is to produce oxide‐free substrates that enable improved adhesive bonding with epoxy. Optimized laser parameters (90% overlap, 300 µJ) combined with oxide‐free substrates result in the highest tensile strength of the adhesive bond.
Sandra Gerland, Finn‐Lennard Janthur, Sarah Seffer, Jörg Hermsdorf, Ludger Overmeyer, Annika Raatz   +5 more
wiley   +1 more source

Hardness, grainsize and porosity formation prediction on the Laser Metal Deposition of AISI 304 stainless steel [PDF]

, 2018
The presented numerical model solves the heat and mass transfer equations in the Laser Metal Deposition process and based on the evolution of the thermal field predicts the grainsize, the resulting hardness and evaluates the pores formation probability ...
Alberdi, Amaia, Arrizubieta, Jon Iñaki, Cortina, Magdalena, Lamikiz, Aitzol, Ukar, Eneko   +4 more
core   +3 more sources

Sol–Gel Derived Polymer Precursors for Stereolithography of ZrC

Advanced Engineering Materials, EarlyView.
ZrC is a critical material target for extreme temperature conditions. This report describes a protocol for preparing ZrC ceramics via stereolithography and examines the impact of the polymer matrix on carbothermal reduction and mechanical stability of 3D printed ZrC.
Charles J. Rafalko, Evelyn Wang, Michael A. Hickner   +2 more
wiley   +1 more source

Thermophysical Properties of the Desulphurization Slags With Various CaS and CaO/Al2O3 Ratio

Advanced Engineering Materials, EarlyView.
This article investigates how CaS content and the CaO/Al2O3 ratio influence the thermophysical properties of desulphurization slags. Using experimental measurements and thermodynamic simulations, this study reveals complex effects on viscosity, surface tension, and density, providing new insight into slag structure and phase behavior under ...
Eldar Salpagarov, Matheus Roberto Bellé, Anton Yehorov, Julia Richter, Olena Volkova   +4 more
wiley   +1 more source

Effect of nano-yttria stabilized zirconia addition on the microstructure and mechanical properties of Ti6Al4V parts manufactured by selective laser melting

Materials & Design, 2019
This study presents the results of selective laser melting (SLM) of Ti6Al4V reinforced with 1% and 2.5% (wt%) nano yttria-stabilized zirconia (nYSZ). The bulk parts showed a very high building density which means that the melting parameters were optimal.
Amine Hattal, Thierry Chauveau, Madjid Djemai, Jean Jacques Fouchet, Brigitte Bacroix, Guy Dirras   +5 more
doaj   +1 more source