-
Article
Dynamic recrystallization mechanism, grain structure evolution, and mechanical behavior in friction stir welding of galvanized steel at different cooling rates
Friction stir welding (FSW) of galvanized steel offers unique advantages as it can avoid the extensive metallurgical problems associated with fusion welding. However, conventional FSW still leads to a higher t...
-
Article
Simulation and Experimental Analysis of Double Rotating Shoulder Friction Stir Welding
In this work, a new Double Rotating Shoulder (DRS) tool is designed to create a preheating effect and promote material flow in the shoulder-affected area during friction stir welding (FSW). A comparative study...
-
Article
Enhanced Strength–Ductility Synergy in Submerged Friction Stir Processing ER2319 Alloy Manufactured by Wire-Arc Additive Manufacturing via Creating Ultrafine Microstructure
Submerged friction stir processing (SFSP) with flowing water was employed to alleviate the porosities and coarse-grained structure introduced by wire-arc manufacturing. As a result, uniform and ultrafine grain...
-
Article
Effect of a novel pin tool with large diameter disc on the microstructure and mechanical properties of Al/Mg dissimilar friction stir lap joint
In this paper, a novel friction stir welding tool with large diameter disc at the tip of the pin was developed to solve the problems in aluminum/magnesium friction stir lap welding. Based on the structural des...
-
Article
High Temperature Corrosion and Mechanical Properties of TiC-AlSi12 Composite Coating Fabricated on Ti-6Al-4V Alloy Substrate via High-Energy Mechanical Alloying Method
The TiC-AlSi12 composite coating was successfully prepared on Ti-6Al-4V substrate via mechanical alloying. the process parameters including powder weight ratio and milling duration of coating fabrication were ...
-
Article
Develo** Ultrafine Twinned Microstructure Enabled Excellent Strength–Ductility Synergy in Mg–Al–Zn Alloy by Submerged Friction Stir Processing
Traditional multi-pass friction stir processing (FSP) can homogenize the microstructure and enhance the mechanical properties of magnesium alloy, but the thermal cycle between adjacent passes will lead to a la...
-
Article
Open AccessCyclin L1 controls cardiomyocyte proliferation and heart repair after injury
-
Article
Effect of tool pin length on interfacial behaviors and mechanical properties of friction stir-welded lap joints of 430/304 stainless steels
In this study, the effect of tool pin length on friction stir lap welding of 430 and 304 stainless steels has been investigated. The thermal history of interface was measured by thermocouple. The interfacial m...
-
Article
Influences of Process Parameters on Morphology and Mechanical Properties of FSW-T-Joint of 2024/5083 Al Alloy Sheets
T-joints of dissimilar Al alloys are mainly prepared by mechanical connection in industry, which significantly increases the structural weight and is prone to stress concentration. In this paper, friction stir...
-
Article
The role of pin eccentricity in friction stir welding of Al-Mg-Si alloy sheets: microstructural evolution and mechanical properties
In friction stir welding, geometrical and motion features of the tool or pin greatly influence the interaction between the tool and workpiece as well as the resulting joint microstructure and mechanical proper...
-
Article
Investigation on Friction Stir Welding of Mg/Al T-Joints
In this article, the AZ31B/2024-T4 T-lap joint was successfully fabricated by friction stir welding (FSW) with different welding parameters. The defect characteristics and metallurgical structure were observed...
-
Article
Conventional and swing friction stir spot welding of aluminum alloy to magnesium alloy
Swing friction stir spot welding (SFSSW) technology which is mainly consisted of two steps is applied to join AA5083 Al alloy to AZ31B Mg alloy in the present investigation. In addition, AA5083/AZ31B joints pr...
-
Article
Preparation of Diamond Reinforced NiCoCrTi0.5Nb0.5 High-Entropy Alloy Coating by Laser Cladding: Microstructure and Wear Behavior
The diamond enhanced (NiCoCrTi0.5Nb0.5)Cx (x = 3, 6, 12 wt.%) high-entropy alloy coatings were well-prepared by laser cladding, which are denoted as C3, C6 and C12, respectively. The macroscopic morphology, phase...
-
Article
Producing of FeCoNiCrAl high-entropy alloy reinforced Al composites via friction stir processing technology
In this study, friction stir processing (FSP) is utilized to fabricate FeCoNiCrAl high-entropy alloy reinforced Al5083 composites. The role of the reinforcement and processing pass on microstructure, microhard...
-
Article
Effect of Annealing Treatment on Microstructure, Mechanical Properties and Oxidation Resistance of SiCp/Al Coating Synthesized on Ti–6Al–4 V Alloy Substrate by Mechanical Alloying Method
An Al–SiC coating was synthesized on Ti–6Al–4 V alloy substrate using the mechanical alloying method. The effects of annealing treatment on the microstructure, the microhardness, the friction and wear resistan...
-
Article
Microstructure and Mechanical Properties of Friction Stir Welded Austenitic-Ferritic Stainless Steels Using Staggered Joint Configuration
Dissimilar friction stir welding of 304 austenitic stainless steel and 430 ferritic stainless steel was performed by using staggered butt joint configuration. Under proper heat input, welding experiments were ...
-
Article
Influence of welding parameters on morphology and mechanical performance of friction spot pressure welded thin monomer cast nylon 6 sheets
In this paper, 1-mm-thickness monomer cast nylon 6 sheets were joined under the pressure and the frictional heat generated between the pinless tool and thin stainless steel plates, which was named friction spo...
-
Article
Influence of cooling water temperature on ME20M magnesium alloy submerged friction stir welding: a numerical and experimental study
Submerged friction stir welding on magnesium (Mg) alloy is investigated with limits in the past. ME20M is an important lightweight Mg alloy with enhanced yield strength and heat resistance that merits further ...
-
Article
Fabrication of Al7075/PI composites base on FSW technology
In this paper, polyimide (PI) particles-reinforced Al7075 composite is fabricated via friction stir processing (FSP) since it has potential applications in the field of aeronautics and astronautics, automobile...
-
Article
Friction plug welding acrylonitrile butadiene styrene sheets: the investigation of welding process, joint morphology and mechanical property
In this paper, friction plug welding technology was employed to join Acrylonitrile Butadiene Styrene sheets. Proper welding process was investigated and determined first, and the influence of plug diameter and...
