Results 91 to 100 of about 831,737 (308)
The variable polarity plasma arc welding process: Its application to the Space Shuttle external tank [PDF]
The technical history of the variable polarity plasma arc (VPPA) welding process being introduced as a partial replacement for the gas shielded tungsten arc process in assembly welding of the space shuttle external tank is described.
Bayless, O. E., Jr. +4 more
core +4 more sources
Vision-aided Monitoring and Control of Thermal Spray, Spray Forming, and Welding Processes [PDF]
, 1993 Vision is one of the most powerful forms of non-contact sensing for monitoring and control of manufacturing processes. However, processes involving an arc plasma or flame such as welding or thermal spraying pose particularly challenging problems to ...
Agapakis, John E., Bolstad, Jon
core +1 more source
Multi‐Dimensional Conductive Nanocomposites for Flexible Electronics
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.Multi‐dimensional conductive nanocomposites integrate 0D, 1D, and 2D nanomaterials through spatial structure regulation and interface engineering, achieving “1 + 1 > 2” synergistic effects. By leveraging 0D filling to reduce contact resistance, 1D bridging to construct continuous conductive paths, and 2D supporting to enhance mechanical stability ...
Tianyu Wang +12 more
wiley +1 more source
Vacuum vapor deposition: A spinoff of space welding development [PDF]
A vapor deposition process has been defined through a spinoff effort of space welding development. In this development for welding in a space environment, a hollow electrode was used to add gas precisely at the welding arc.
Poorman, R. M.
core +1 more source
Flexible Direct‐Conversion X‐Ray Detectors: From Emerging Materials to Conformal Imaging
ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This comprehensive review analyzed the performance, challenges, and future directions of four emerging material systems for next‐generation flexible direct‐conversion X‐ray detectors: organic semiconductors, perovskites, metal–organic frameworks, and inorganic metal compounds.
Haipeng Di +11 more
wiley +1 more source
ANALYZE OF WELDING ARC PARAMETERS IN SHIELDED METAL ARC WELDING
, 2022 Shielded metal arc welding is widely used in heavy industries in partly shipbuilding and ship repair. This method didn’t required special personal skills and equipment. Different scientists are analyzed welding parameters, mechanical characteristics and chemical composition in welding seam but interesting is to be investigated welding arc ...
openaire +2 more sources
Thermal and structural modelling of arc welding processes: A literature review
Measurement 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 ...
Hitesh Arora, Rupinder Singh, G. S. Brar
semanticscholar +1 more source
Earthquake Engineering &Structural Dynamics, EarlyView.ABSTRACT Nonstructural components (NSCs) installed in large‐span reticular structures were frequently severely damaged during earthquakes, even when the primary structure remained intact. Existing seismic design specifications for NSCs were predominantly developed for upright structures such as multi‐storey buildings and offer no guidance for reticular
Xudong Zhi +6 more
wiley +1 more source
Box-Behnken Based Analysis of Slag Consumption in Submerged Arc Welding of High Strength Low Alloy Steel [PDF]
Archives of Metallurgy and MaterialsThe present research work involves the placing of a small quantity of molten steel into the gap among the components to be connected, subsequently positioning them together during solidification.
Krishan Kant Sharma +6 more
doaj +1 more source
Flexibilizing inorganic thermoelectrics
FlexMat, EarlyView.This perspective reviews advances in flexible inorganic thermoelectric materials, covering ductile bulks, thin films, and fibers/yarns. It highlights strategies like warm metalworking, van der Waals material screening, orientation and sandwich engineering, and device integration, offering pathways to combine flexibility and performance for wearable ...
Xiao‐Lei Shi +3 more
wiley +1 more source