Results 21 to 30 of about 1,529,417 (286)

Fatigue Properties of Welded Butt Joint and Base Metal of MB8 Magnesium Alloy

open access: yesMedžiagotyra, 2016
The fatigue properties of welded butt joint and base metal of MB8 magnesium alloy were investigated. The comparative fatigue tests were carried out using EHF-EM200K2-070-1A fatigue testing machine for both welded butt joint and base metal specimens with ...
Ying-xia YU   +4 more
doaj   +1 more source

A comparison of laser-metal inert gas hybrid welding and metal inert gas welding of high-nitrogen austenitic stainless steel

open access: yesJournal of Materials Research and Technology, 2021
High-nitrogen austenitic stainless steel (HNASS) has many excellent properties, such as high strength and toughness, high strain-hardening ability, strong corrosion resistance and low magnetization compared with the traditional widely used Ni–Cr ...
Jie Ning   +3 more
doaj   +1 more source

Microstructure and Mechanical Properties of Friction Stir Lap Welded Dissimilar Al/Ti Alloys by Ultrasonic Assistance [PDF]

open access: yesArchives of Metallurgy and Materials, 2022
Dissimilar Al/Ti alloy sheets were lap welded with ultrasonic assistance in this work. The influence of ultrasonic vibration on formation, intermetallic compounds (IMCs) and tensile failure load of the obtained joints was discussed.
Zhibo Dong   +4 more
doaj   +1 more source

The Effect of the Welding Technology on the Thermal Performance of Welded Finned Tubes Used in Heat Exchangers

open access: yesEnergies, 2023
Due to the use of welded finned tubes in heat exchangers, gas blocks are characterized by very good electric energy production performance, and their reliability can reach 98%. Finned tubes used in heat exchangers are usually welded. Such tubes should be
Janusz Adamiec, Michał Urbańczyk
doaj   +1 more source

Formability of Medium Mn Steel Welded Joints

open access: yesMetals, 2020
In this study, a new-generation high-strength and high-ductility medium Mn steel (0.1C-5Mn-Fe) for the automotive industry was joined by the fiber laser and gas tungsten arc welding (GTAW) methods. Formability testing of the welded joints was done by the
Yang Cao   +6 more
doaj   +1 more source

Edge Crack in Longitudinal Butt-Welded Joint in Thick-Wall Cylinder [PDF]

open access: yes, 2021
Thick-wall vessels and pipes cylindrical shape are very typical in power plant, chemical, processing, oil and gas industry. The equipment with cylindrical shape can be either thin or thick wall which depends on the function of that particular equipment ...
Prawoto, Yunan   +3 more
core   +1 more source

Microstructures and mechanical properties of a titanium alloy thick plate joint after electron beam welding plus solution-aging

open access: yesJournal of Materials Research and Technology, 2022
A thick plate of Ti–6Al–2Zr–2Sn–3Mo–1.5Cr–2Nb (TC21) damage-tolerant alloy was electron-beam welded and the joint was treated via solution aging. The microstructural characterizations and mechanical properties of the welding and solution-aging states ...
Zhijun Yang   +3 more
doaj   +1 more source

Resistance to fracture of friction welded joints. Friction welded joints of S45C.

open access: yesJournal of the Society of Materials Science, Japan, 1990
In order to determine the requisite value of toughness for friction welded joints on the basis of fracture mechanics, Charpy impact test and fracture toughness test were carried out at various temperatures on the friction welded butt joints composed of carbon steel JIS. S45C and the base metal.The experimental results indicated that the Charpy absorbed
Kozo OKITA   +5 more
openaire   +3 more sources

Study of the Microstructure and Properties of the Butt Joint of Laser-Welded Titanium Alloy with Flux-Cored Wire

open access: yesMetals, 2023
A self-developed Ti-Al-V-Mo system titanium alloy flux-cored wire was used to join the Ti64 titanium alloy plate via laser welding with filler wire. The microstructure and properties of the obtained welded joint were investigated.
Mingqiu Wang   +11 more
doaj   +1 more source

Effect of welding heat input on microstructure and properties of TC4 titanium alloy ultra-narrow gap welded joint by laser welding with filler wire

open access: yesMaterials Research Express, 2021
A 10 mm narrow gap TC4 titanium alloy welded joint by laser welding with filler wire was obtained by different welding heat inputs. The microstructures of the welded joint were analyzed by OM, SEM, XRD and EBSD.
Naiwen Fang   +8 more
doaj   +1 more source

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