Results 51 to 60 of about 48,449 (264)

Internal wire guide for GTAW welding [PDF]

open access: yes, 1989
A welding torch for gas tungsten arc welding apparatus has a filler metal wire guide positioned within the torch, and within the shielding gas nozzle. The wire guide is adjacent to the tungsten electrode and has a ceramic liner through which the wire is ...
Dyer, Gerald E., Morgan, Gene E.
core   +1 more source

Ce3+‐Activated Lithium Rare‐Earth Oxonitridolithosilicates: A New Class of LED Phosphors with Similarities to Garnets

open access: yesAdvanced Functional Materials, EarlyView.
Garnet‐like luminescence upon Ce3+‐activation is found in the first six representatives Li9RESi4N4O8 (RE = Y, La, Gd, Dy, Yb, Lu) of the substance class of lithium rare‐earth oxonitridolithosilicates, which also show a novel structure type. High‐temperature solid‐state synthesis yielded crystalline samples for single‐crystal X‐ray diffraction‐based ...
Kilian M. Rießbeck   +5 more
wiley   +1 more source

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

open access: yesMeasurement + Control, 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 ...
Hitesh Arora   +2 more
doaj   +1 more source

Electrode carrying wire for GTAW welding [PDF]

open access: yes, 1990
A welding torch for gas tungsten arc welding apparatus has a hollow tungsten electrode including a ceramic liner and forms the filler metal wire guide.
Dyer, Gerald E., Morgan, Gene E.
core   +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

Process Control of 3D Welding as a Droplet-Based Rapid Prototyping Technique [PDF]

open access: yes, 1998
Three-dimensional welding is investigated as a rapid prototyping technique for the production of real Inetallic parts using gas metal arc welding principles.
Beardsley, H., Kovacevic, R.
core   +1 more source

Thinned and Welded Silver Nanowires for Intelligent Pressure and Humidity Sensing Enabled by Machine Learning

open access: yesAdvanced Science, EarlyView.
Thinned and welded silver nanowires are prepared by selectively engineering their morphology and structure. The resulting films show enhanced optical, electrical, thermal, and mechanical properties. By incorporating machine learning, the developed pressure and humidity sensors are able to accurately identify finger pressing behaviors, monitor human ...
Jiajun Fan   +14 more
wiley   +1 more source

Welding torch gas cup extension [PDF]

open access: yes, 1988
The invention relates to a gas shielded electric arc welding torch having a detachable gas cup extension which may be of any desired configuration or length. The gas cup extension assembly is mounted on a standard electric welding torch gas cup to enable
Gordon, Stephen S.
core   +1 more source

Sustainable technologies for thick metal plate welding [PDF]

open access: yes, 2017
Welding is the most important joining technology. In the steel construction industry, e.g. production of windmill sections, welding accounts for a main part of the manufacturing costs and resource consumption.
Chang, Ya-Ju   +4 more
core   +1 more source

Utilized Distributed Optical Fiber Sensor with Spiral‐Serpentine Deployment Enabling High‐Precision Full‐Field Temperature Reconstruction and Thermal Management for Pouch Lithium‐Ion Battery

open access: yesAdvanced Science, EarlyView.
Real‐time and accurate monitoring of battery surface temperature is widely recognized as essential for ensuring operational safety. By synergistically combining high‐resolution sensing‐interrogation systems, optimized DOFS deployment scheme, and intelligent reconstruction algorithms, this study achieves full‐range and high‐fidelity temperature field ...
Yuhao Zhu   +6 more
wiley   +1 more source

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