Results 71 to 80 of about 260 (127)

Probeless friction stir welding of dissimilar metal welds [PDF]

open access: yes
In recent years, the number of lightweight parts made of high-strength aluminium alloys and advanced high strength steels (AHHS) has increased fivefold to further enhance engine efficiency and reduce CO2 emissions in automotive sector.
Rashkovets, Mariia
core   +1 more source

Analysis of welding performance thin material aluminium alloy 1100 series using Bobbin friction stir welding [PDF]

open access: yes, 2023
Bobbin Friction Stir Welding (BFSW) is a solid-state welding technique combining heat and pressure to complete the process. With the advancement of technology, many industries opt for thin materials in their production thus making the joining process ...
Mohd Kassim, Mohammad Khairul Azmi
core  

Surface composites and functionalisation : enhancement of aluminium alloy 7075-T651 via friction stir processing [PDF]

open access: yes, 2020
: This research work is aimed at modifying and enhancing the properties of aluminium alloy 7075- T651 through the friction stir processing (FSP) technique, in order to improve the mechanical, electrochemical, structural, tribological as well as the ...
Ikumapayi, Omolayo Michael
core   +1 more source

Numerical analysis of forming sheet panels with stiffening ribs [PDF]

open access: yes, 2015
The transport industry, especially aviation, pays special attention to vehicle weight because lower weight means lower fuel consumption and in turn lower environmental pollution.
Adamus, J., Lacki, P.
core   +2 more sources

Dissimilar Probeless Friction Stir Spot Welding of Aluminum Alloy and USIBOR®1500-AS Steel Thin Plates [PDF]

open access: yes
Lap joining of an aluminum AA6082-T6 plate and a UHSS steel plate coated with an Al-Si layer was performed using Probeless Friction Stir Spot Welding (P-FSSW). The dwell time and rotational speed were controlled in the range of 10–15 s and 1000–1500 rpm,
Casalino, Giuseppe   +4 more
core   +1 more source

The effects of welding parameters on the tensile shear strength of refill friction stir spot welding of 7075-T6 aluminium alloy joints

open access: yesITM Web of Conferences, 2017
The paper presents the results of an analysis of the effect of welding parameters on the load capacity of joints obtained by the refill friction stir spot welding (RFSSW) method.
Wydrzyński Dawid   +2 more
doaj   +1 more source

Exploring the boundaries of refill friction stir spot welding : influence of short welding times on joint performance [PDF]

open access: yes
Refill friction stir spot welding is a solid-state spot-welding technique suited to lap joining of thin aluminium sheets, including difficult-to-weld 2xxx series alloys that are prone to hot cracking during fusion welding processes.
Amancio-Filho, Sergio T.   +5 more
core  

Refill Friction Stir Spot Welding of an Al-Li Alloy: The Effects of Rotating Speed and Welding Time on Joint Microstructure and Mechanical Properties

open access: yesMetals
In this work, 2060 Al-Li alloy was joined by refill friction stir spot welding (RFSSW). The effects of the tool’s rotating speed and welding time on the microstructure and mechanical properties of the welded joints were studied.
Yuanbiao Cui   +4 more
doaj   +1 more source

A numerical modelling approach to predict material flow and defect formation in refill friction stir spot welded joints [PDF]

open access: yes
In this study, a fully coupled thermomechanical model of the refill friction stir spot welding process was developed using the coupled Eulerian-Lagrangian technique.
de Traglia Amancio-Filho, Sergio   +4 more
core  

Active thermography for the investigation of corrosion in steel surfaces [PDF]

open access: yes, 2021
The present work aims at developing an experimental methodology for the analysis of corrosion phenomena of steel surfaces by means of Active Thermography (AT), in reflexion configuration (RC).
Francesca Cura   +3 more
core  

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