Results 121 to 130 of about 22,976 (269)

Real time evaluation of weld quality in narrow groove pipe welding [PDF]

open access: yes, 2012
With the growth in pipeline installations all over the world, there is a great demand for highly productive and robust welding systems. Mechanised pipe welding has been developed over the last 50 years and the present focus is towards development of ...
Marmelo, Patricia C.
core  

Improved productivity in fusion welding : executive summary [PDF]

open access: yes
This document is an Executive Summary of individual submissions of work that the author has submitted towards the degree of Engineering Doctorate. The work comprises three main themes, which can be demonstrated in a broader sense as contributing ...
Howse, D. S.
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Desenvolvimento e análise preliminar de tecnologia para soldagem SAW com pulsação ultrassônica da corrente [PDF]

open access: yes, 2015
TCC (graduação) - Universidade Federal de Santa Catarina. Campus Joinville. Engenharia Naval.A soldagem a arco submerso apresenta-se como um processo adequado para a aplicação em grande escala na indústria de construção naval devido à possibilidade de ...
Voigt, Anna Louise
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Mobile electromagnetic levitator for time‐resolved in situ X‐ray diffraction studies of high‐temperature phase transformations

open access: yesJournal of Synchrotron Radiation, EarlyView.
A mobile electromagnetic levitator combined with time‐resolved synchrotron X‐ray diffraction enables in situ studies of high‐temperature phase transformations without container‐induced contamination and reveals the first direct observation of metastable phase formation in undercooled Fe–Co alloys.In situ observations of high‐temperature transformations,
Olga Shuleshova   +6 more
wiley   +1 more source

A series-parallel load-resonant converter for a controlled-current arc-welding power supply [PDF]

open access: yes
A power supply incorporating a series-parallel load-resonant converter, capable of very efficient operation over a wide range of output power is presented. The series-parallel load-resonant converter is shown to have three pairs of resonant frequencies.
Pollock, Helen Geraldine Phyllis
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Occupational exposure to metal welding and cataract: A systematic review and meta‐analysis

open access: yesActa Ophthalmologica, EarlyView.
Abstract Background Metal welding generates ultraviolet radiation (UVR) of cataractogenic wavelengths, and UVR emitted during welding has been associated with cataract formation, but results from prior studies are conflicting. Methods We conducted a systematic review and meta‐analysis of epidemiological studies addressing associations between ...
Jakob Bjerager   +5 more
wiley   +1 more source

Characterization of the Plasma Shape of the TIG Welding Arc

open access: yes, 2006
Tungsten electrodes were prepared to analyse the plasma geometry at TIG welding. The investigated electrodes were La02, Th02 alloyed. Tip flatted electrodes were grinded as well. The shape of plasma were analysed for 36 different electrodes.
Dobránszky, János   +2 more
core  

Conduction mode: broadening the range of applications for laser welding [PDF]

open access: yes, 2012
Conduction laser welding opens up a range of innovative applications for laser welding. This relatively novel mode of laser processing expands the application potential significantly beyond what is normally achieved today.
Assuncao, D. E.   +3 more
core  

Enhancing the fastness characteristics of weld‐dyed cotton and recycled nylon 6,6 fabrics via sodium alginate and titanium dioxide

open access: yesColoration Technology, EarlyView.
Abstract This study investigates a sustainable dyeing and finishing strategy for recycled nylon 6,6 and organic cotton fabrics dyed with weld. Following meta‐mordant dyeing using alum under Natural Organic Dye Standard (NODS)‐compliant conditions, the fabrics were subjected to functional finishing with titanium dioxide as a multifunctional ...
Recep Karadag   +2 more
wiley   +1 more source

Feasibility and optimization of dissimilar laser welding components [PDF]

open access: yes, 2008
Demands placed on dissimilar metals joints have increased from various viewpoints, such as, environmental concerns, energy saving, high performance, cost saving and so on.
Hassan, Ezzeddin Mohamed
core  

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