Results 51 to 60 of about 256 (172)

The effect of external flow on 3D orientation of a microscopic sessile suspension feeder, Vorticella convallaria

Annals of the New York Academy of Sciences, Volume 1537, Issue 1, Page 51-63, July 2024.
Vorticella are microscopic sessile suspension feeders that live attached to substrates in aquatic environments. They feed using a self‐generated feeding current. Their feeding rate depends on an individual's orientation relative to the substrate and ambient flow. We exposed individuals to varying flow speeds and recorded their 3D orientation.
Tia Böttger, Brett Klaassen van Oorschot, Rachel E. Pepper   +2 more
wiley   +1 more source

Weldability and Lamellar Tearing Susceptibility of High-Strength SN 490C Steel Plates

Metals, 2019
In this study, weldability and cracking susceptibility of SN 490C steel were firstly investigated. For this study, SN 490C thick plates which had been developed for anti-seismic steel of building structures were welded by flux-cored arc welding (FCAW ...
Donghyun Van, Seung Hwan Lee, Kihyuk Kim, Hoseop Sim   +3 more
doaj   +1 more source

Limits on Ti Element Transfer in Submerged Arc Welding: Thermochemical Analysis

steel research international, Volume 95, Issue 5, May 2024.
Conventional submerged arc welding (SAW) applies titanium transfer from the slag (molten flux) to the weld metal. Limited titanium transfer limits the weld metal titanium content to 400 parts per million (ppm). SAW modification by aluminum and titanium metal powder additions changes the element transfer reactions from titanium‐fluoride formation to ...
Theresa Coetsee, Frederik De Bruin
wiley   +1 more source

Effects of Second Thermal Cycles on Microstructure and CO2 Corrosion Behavior of X80 Pipeline Steel

International Journal of Electrochemical Science, 2018
The effects of the gas metal arc welding (GMAW) thermal cycle on the microstructures and carbon dioxide (CO2) corrosion behaviors of X80 pipeline steel and its coarse-grained heat-affected zone (CGHAZ) from submerged arc welding (SAW) were studied ...
Shi chuanwei, Zhang yuanbin, Liu peng, Xie yueliang   +3 more
doaj   +1 more source

Approach for the probabilistic fatigue assessment of welded joints based on the local geometry of the weld seam

Fatigue &Fracture of Engineering Materials &Structures, Volume 47, Issue 1, Page 88-107, January 2024.
Abstract Welded joints show large variation of the weld toe geometry along the weld seam, which is one important reason for the comparably large scatter in fatigue life. Therefore, it is crucial to take the local geometry at the weld toe into account, to reduce the conservatism in fatigue assessment of welded joints.
Jan Schubnell, Sai Kumar Konidena, Matthias Jung, Moritz Braun, Sören Ehlers, Mauro Madia, Thomas Kannengießer, Daniel Löschner   +7 more
wiley   +1 more source

Evaluation of AH36 microalloyed steel welded joint by submerged arc welding process with one and two wires [PDF]

Materials Research, 2016
Shipbuilding is going through a period of revitalization, growth and technological advancement. One component of these innovations is to improve welding techniques and materials for optimizing processing time, reducing costs and to improve properties and
Anderson Clayton Nascimento Ribeiro, Hani Henein, Douglas G. Ivey, Sergio Duarte Brandi   +3 more
doaj   +1 more source

Thermography Applied to the Adhesion Phenomenon of Mortars with Additions of Submerged Arc Welding (SAW) Slag

Buildings
In this work, the effects of the mixing water loss capacity of hydrated lime mortars with different dosages were analysed—type O (mix 1:2:9), type N (mix 1:1:6), and type M (mix 1:0.5:4.5), with additions of submerged arc welding (SAW) slag. Infrared thermography tests and optical and scanning electronic microscopy analyses of the mortars were also ...
Érica Sousa, Alef Santana, Millena Moura, João M. P. Q. Delgado, Romildo Berenguer   +4 more
openaire   +2 more sources

Effect of cladding procedures on mechanical properties of heat treated dissimilar joint

Metalurgija, 2012
The specimens plated by different cladding procedures (hot rolling, submerged arc welding surfacing using strip electrode (SAW) and explosion welding) were heat treated by annealing (650 ºC through 2 hours). Charpy impact energy testing, as well as shear
B. Mateša, I. Samardžić, M. Dunđer
doaj  

Investigation of the Effects of Submerged Arc Welding Process Parameters on the Mechanical Properties of Pressure Vessel Steel ASTM A283 Grade A

Journal of Engineering, 2017
The pressure vessel steel is used in boilers and pressure vessel structure applications. This research studied the effects of submerged arc welding (SAW) process parameters on the mechanical properties of this steel.
Prachya Peasura
doaj   +1 more source

Evaluation of Quality Weld Deposit on Different Types of Rails

Applied Sciences
Welding of high-carbon rail steels is widely applied in railway maintenance to restore worn rail surfaces and extend service life. However, the weldability of these steels is limited by their high carbon content and susceptibility to brittle ...
Michal Bucko, Lucie Krejci, Ivo Hlavaty, Jindrich Kozak, Petr Mohyla, Ondrej Sopr, Petr Samek, Martina Gree   +7 more
doaj   +1 more source