Results 31 to 40 of about 868,485 (347)

Mechanical Properties, Thermal Stability and Microstructures of W-Re-ZrC Alloys Fabricated by Spark Plasma Sintering

open access: yesMetals, 2020
Tungsten materials, used as friction stir welding tools, undergo severe plastic deformation and even collapse at high operating temperatures. In order to improve the low-temperature toughness and high-temperature strength, W-10wt.%Re-0.5wt.%ZrC alloys ...
Shu Miao   +5 more
doaj   +1 more source

Carbon nanoparticle-entrapped macroporous Mn3O4 microsphere anodes with improved cycling stability for Li-ion batteries

open access: yesScientific Reports, 2022
Manganese oxide (Mn3O4) has garnered substantial attention as a low-cost, environment-friendly anode material. It undergoes a conversion reaction involving the formation of Li2O and metallic Mn to provide high-energy Li-ion batteries.
Takahiro Kozawa   +3 more
doaj   +1 more source

Implementation of Total Productive Maintenance on Frame Welding Machine Maintenance Using the Overall Equipment Effectiveness (OEE) Method at PT Electronics Components Indonesia

open access: yesInternational Journal of Innovative Science and Research Technology
PT. Electronics Components Indonesia manufactures capacitors and focuses on enhancing productivity and operational efficiency of the frame welding machines through effective maintenance.
Yerikho Alexander   +2 more
semanticscholar   +1 more source

Heat Source Models in Numerical Simulations of Laser Welding

open access: yesMaterials, 2020
The article presents new possibilities for modifying heat source models in numerical simulations of laser welding processes conducted using VisualWeld (SYSWELD) software.
T. Kik
semanticscholar   +1 more source

Flat hardness distribution in AA6061 joints by linear friction welding

open access: yesScientific Reports, 2021
It is known that one of the main concerns associated with the conventional welding of precipitation-strengthened Al alloys is the formation of softening regions, resulting in the deterioration of mechanical properties.
Jeong-Won Choi   +3 more
doaj   +1 more source

Effect of laser-welding parameters on the heat input and weld-bead profile [PDF]

open access: yes, 2005
Laser butt-welding of medium carbon steel was investigated using CW 1.5 kW CO2 laser. The effect of laser power (1.2 - 1.43 kW), welding speed (30 - 70 cm/min) and focal point position (-2.5 - 0 mm) on the heat input and the weld-bead geometry (i.e ...
A.G. Olabi   +13 more
core   +1 more source

Mathematical Model for Charpy Impact Energy of V-Notch Specimens

open access: yesAdvances in Materials Science and Engineering, 2021
Firstly, by analyzing the response of Charpy V-notch specimen impacted by pendulum, the relationship between specimen geometry, material properties, and impact energy is established and simplified, and the mathematical model for evaluating impact energy ...
Wei Wang   +4 more
doaj   +1 more source

Nanoparticle-enabled phase control for arc welding of unweldable aluminum alloy 7075

open access: yesNature Communications, 2019
Lightweight materials are of paramount importance to reduce energy consumption and emissions in today’s society. For materials to qualify for widespread use in lightweight structural assembly, they must be weldable or joinable, which has been a long ...
Maximilian Sokoluk   +3 more
semanticscholar   +1 more source

Control of welding residual stress for dissimilar laser welded materials [PDF]

open access: yes, 2008
The most common problem of welding dissimilar metals (DMWs) with respect to residual stresses is the differences in the coefficient of thermal expansion and heat conductivity of the two welded metals.
A.G. Olabi   +15 more
core   +1 more source

An intelligent real time 3D vision system for robotic welding tasks [PDF]

open access: yes, 2013
MARWIN is a top-level robot control system that has been designed for automatic robot welding tasks. It extracts welding parameters and calculates robot trajectories directly from CAD models which are then verified by real-time 3D scanning and ...
Kormann, Mariza   +3 more
core   +1 more source

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