Results 51 to 60 of about 784,653 (278)

Ignition of Welding Arc and UV Actinic Hazard Evaluation

open access: yesEnergies, 2019
Welding arcs emit strong ultraviolet (UV) radiation, which could pose serious health risks for skin and eyes. According to Directive 2006/25/EC, UV hazard evaluation has to be performed in the working environment.
Andrzej Rybczyński   +4 more
doaj   +1 more source

Thermal and structural modelling of arc welding processes: A literature review

open access: yesMeasurement and control (London. 1968), 2019
This paper presents a state-of-the-art critical review of the thermal and structural modelling of the arc welding process. During the welding process, high temperature in the welding zone leads to generation of unwanted residual stresses and results in ...
H. Arora, Rupinder Singh, G. S. Brar
semanticscholar   +1 more source

Additive Manufacturing of Negative Thermal Expansion Metamaterials Using Steels

open access: yesAdvanced Materials Technologies, EarlyView.
Architected lattices with tunable negative thermal expansion are fabricated from common steels using laser powder bed fusion metal additive manufacturing. Optimized multimaterial interfaces and geometry‐driven design produce robust, defect‐minimized structures that remain dimensionally stable up to 300 °C, enabling scalable solutions for thermal ...
Devashish Dubey   +4 more
wiley   +1 more source

Study the Effect of Welding on Tensile and Hardness Properties for Carbon- Steel by Using Arc Welding &Tig Welding [PDF]

open access: yesEngineering and Technology Journal, 2010
Welding is one of important industrial processes, Therefore many techniques are development to get an efficient and low cost welding for different kind of materials. This research is compared between two technique procedures of welding , (Arc welding ) &
doaj   +1 more source

Grain refinement control in TIG arc welding [PDF]

open access: yes, 1975
A method for controlling grain size and weld puddle agitation in a tungsten electrode inert gas welding system to produce fine, even grain size and distribution is disclosed.
Iceland, W. F., Whiffen, E. L.
core   +1 more source

Analysis of fumes emitted during hard facing of FCAW wires [PDF]

open access: yes, 2017
Flux Cored Arc Welding (FCAW) wires are widely used for hard facing as they provide high deposition efficiency, wear resistance and faster speed rates than the solid wire used in Gas Metal Arc Welding process. Flux Cored Arc Welding process employs cored
G, V. P. (Venkatakrishnan)   +1 more
core   +1 more source

Laser‐Based Solidification of Cermets/Cemented Carbides: Processing‐Microstructure‐Property Relationships

open access: yesAdvanced Materials Technologies, EarlyView.
Recent research on laser‐processed cermets and cemented carbides highlights significant advancements, yet a notable paucity of studies and persistent challenges remain. Efforts are increasingly focused on developing low‐cost, environmentally friendly cermets as alternatives to conventional materials.
Himanshu Singh Maurya   +2 more
wiley   +1 more source

Effect of Increasing Oscillation Width on the Arc Characteristics and Droplet Transfer Behavior of X80 Steel in the Overhead Welding Position of Narrow Gap P-GMAW

open access: yesMetals, 2023
In the welding process of thick plate narrow gap pulse gas metal arc welding (P-GMAW) overhead welding station, the arc characteristics and droplet transfer behavior that become more complex due to the combined effects of narrow gap groove, gravity, and ...
Yang Bao   +3 more
doaj   +1 more source

Ultralight Soft Wearable Haptic Interface with Shear‐Normal‐Vibration Feedback

open access: yesAdvanced Intelligent Systems, EarlyView.
This study proposes soft wearable haptic interface using pneumatic actuators and origami pumps. This interface can generate multiple sensations such as touching, slipping, and vibrating. To show performance and wearability of this interface, virtual reality is connected with the interface, and user tests are conducted.
Jiyong Min   +3 more
wiley   +1 more source

Closed circuit TV system automatically guides welding arc [PDF]

open access: yes, 1968
Closed circuit television /CCTV/ system automatically guides a welding torch to position the welding arc accurately along weld seams.
Stephans, D. L., Wall, W. A., Jr.
core   +1 more source

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