Formation mechanism and fracture behavior in extra-filling refill friction stir spot weld for Al–Cu–Mg aluminum alloy
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Science"
DOI: 10.1007/s10853-019-03940-8
Abstract: Joint quality of conventional refill friction stir spot welding (RFSSW) is sensitive to welding parameters, and the welding parameters are difficult to control. Thus, deep surface indentation, large hook angle, and void usually occur within… read more here.
Keywords: extra filling; rfssw joint; spot; stir ... See more keywords
Structural Phase Evolution in Ultrasonic-Assisted Friction Stir Welded 2195 Aluminum Alloy Joints
Sign Up to like & getrecommendations! Published in 2017 at "Russian Physics Journal"
DOI: 10.1007/s11182-017-1172-x
Abstract: The authors examined the structural and phase state of fixed joints produced by method of friction stir welding (FSW) and ultrasonic-assisted friction stir welding (UAFSW) from extruded profile of aluminum alloy AA2195. In order to… read more here.
Keywords: stir; structural phase; ultrasonic assisted; friction stir ... See more keywords
Reducing the Hook Defect of Friction Stir Lap Welded Ti-6Al-4V Alloy by Slightly Penetrating into the Lower Sheet
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-017-2512-2
Abstract: For the purpose of reducing the hook defect in friction stir lap welding joint, Ti-6Al-4V alloy was lap welded by slightly penetrating into the lower sheet. Hook feature, microstructure and mechanical properties of the lap… read more here.
Keywords: hook defect; lap; defect friction; stir ... See more keywords
Characterization and Strain-Hardening Behavior of Friction Stir-Welded Ferritic Stainless Steel
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-017-3020-0
Abstract: In this study, friction stir-welded joint of 3-mm-thick plates of 409 ferritic stainless steel (FSS) was characterized in light of microstructure, x-ray diffraction analysis, hardness, tensile strength, ductility, corrosion and work hardening properties. The FSW… read more here.
Keywords: strain hardening; stir; stainless steel; ferritic stainless ... See more keywords
Fabrication and Characterization of A5083-WC-Al2O3 Surface Composite by Friction Stir Processing
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Engineering and Performance"
DOI: 10.1007/s11665-019-04093-0
Abstract: In this study, WC-Al2O3 ceramic composite was incorporated into Al5083 to produce a surface composite by friction stir processing (FSP), and the microstructure, hardness and wear properties of Al5083-WC-Al2O3 surface composite were evaluated. Optical microscopy… read more here.
Keywords: al2o3 surface; composite friction; microscopy; surface composite ... See more keywords
Microstructure and mechanical properties evaluation of friction stir welded boron steel
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-0422-y
Abstract: The microstructure and mechanical properties of friction stir welded boron steel in butt joint configuration are experimentally studied. Two different friction stir welding (FSW) parameter combinations are used to successfully fabricate butt joints. Microstructural analysis… read more here.
Keywords: stir welded; microstructure mechanical; friction stir; stir ... See more keywords
Investigation on the Effects of Welding Speed on Bobbin Tool Friction Stir Welding of 2219 Aluminum Alloy
Sign Up to like & getrecommendations! Published in 2019 at "Metals and Materials International"
DOI: 10.1007/s12540-019-00450-9
Abstract: The microstructure and mechanical properties of bobbin tool friction stir welded joints for 2219-T87 aluminum alloy using different welding speeds were investigated based on the experimental results together with a thermo-mechanical model developed. The stir… read more here.
Keywords: bobbin tool; stir zone; tool friction; stir ... See more keywords
Structure Modification of a Rheocast Aluminum–Zinc Alloy by Friction Stir Butt Welding: Microstructural Evolution
Sign Up to like & getrecommendations! Published in 2020 at "Metals and Materials International"
DOI: 10.1007/s12540-020-00643-7
Abstract: In this study, friction stir butt welding was applied to weld an aluminum–zinc alloy produced by semi-solid method (rheocasting). For this aim, the effect of tool rotational and traverse speeds on the microstructure was investigated.… read more here.
Keywords: alloy; microscopy; friction stir; stir ... See more keywords
Microstructure and Mechanical Properties of Friction Stir Repaired Al–Cu Casting Alloy
Sign Up to like & getrecommendations! Published in 2018 at "Transactions of the Indian Institute of Metals"
DOI: 10.1007/s12666-018-1340-x
Abstract: Friction stir repairing was successfully used to repair shrinkage cavity and porosity defects in Al–Cu casting alloy plates with T5 treatment. Effects of welding speeds on microstructures and mechanical properties of repaired region were mainly… read more here.
Keywords: casting alloy; microstructure mechanical; friction stir; stir ... See more keywords
Effect of Zener–Hollomon Parameter on Microstructure and Mechanical Properties of Copper Subjected to Friction Stir Welding
Sign Up to like & getrecommendations! Published in 2019 at "Acta Metallurgica Sinica (English Letters)"
DOI: 10.1007/s40195-019-00943-x
Abstract: In this work, the influence of the Zener–Hollomon ( Z ) parameter on the microstructure and mechanical properties of copper subjected to friction stir welding (FSW) was investigated. Liquid N 2 cooling was conducted to… read more here.
Keywords: microstructure mechanical; stir; mechanical properties; parameter ... See more keywords
Quantitative signal intensity ratios to distinguish between subfascial lipoma and atypical lipomatous tumor/well-differentiated liposarcoma using short-tau inversion recovery (STIR) MRI.
Sign Up to like & getrecommendations! Published in 2020 at "Diagnostic and interventional imaging"
DOI: 10.1016/j.diii.2020.01.015
Abstract: PURPOSE To establish simple quantitative variables at short-tau inversion recovery (STIR) magnetic resonance imaging (MRI) to identify lipomas with high specificity in patients with indeterminate subfascial lipomatous tumors. MATERIALS AND METHODS The MRI examinations of… read more here.
Keywords: tumor; inversion recovery; short tau; stir ... See more keywords