The Effect of Traveling and Rotation Speeds on Mechanical Properties during Friction Stir Welding of Dissimilar Al Alloys

2010 ◽  
Vol 297-301 ◽  
pp. 590-595 ◽  
Author(s):  
Jae Cheul Park ◽  
Seong Jong Kim
Keyword(s):  
Mechanical Properties ◽  
Friction Stir Welding ◽  
High Speed ◽  
Load Capacity ◽  
Al Alloys ◽  
Fiber Reinforced ◽  
Friction Stir ◽  
Ship Construction ◽  
Fiber Reinforced Plastic ◽  
Reinforced Plastic

Interest in Al alloys for ship construction has increased because of the advantages of high speed with lightweight, increased load capacity, and ease of recycling compared to fiber-reinforced plastic. This study determined that the optimum traveling and rotation speeds for friction stir welding of 5052-O and 6061-T6 Al alloys for shipbuilding applications are 61 mm/min and 1600 RPM, respectively.

Werkzeugeintritt beim Rührreibschweißen/Friction Stir Welding of Fiber Reinforced Plastics

2021 ◽  
Vol 111 (11-12) ◽  
pp. 840-845
Author(s):  
Sascha Stribick ◽  
Erik Dieringer ◽  
Patrick Huber
Keyword(s):  
Friction Stir Welding ◽  
Full Potential ◽  
Fiber Reinforced ◽  
Fiber Reinforced Composite ◽  
Friction Stir ◽  
Fiber Reinforced Plastic ◽  
Reinforced Plastics ◽  
Reinforced Composite ◽  
Reinforced Plastic ◽  
Fiber Reinforced Plastics

Faserverbundkunststoffe besitzen ein hohes industrielles Interesse. Die bisher industrieüblichen Fügeverfahren besitzen jedoch noch große prozessspezifische Nachteile für diese Werkstoffklasse, sodass das volle Potenzial des Werkstoffes durch Beschädigen der Fasern nicht ausgeschöpft werden kann. Rührreibschweißen kann dieses Potenzial nutzen. Im Rahmen dieses Beitrags werden Grundlagenuntersuchungen der Eintrittsphase näher betrachtet. Diese dienen als Basis für weiterführende Schweißversuche.   Fiber reinforced plastic composites are well known in the industry. Common joining processes in the industry often have process specific disadvantages for this material class like damage of the fibers. Therefore it isn’t possible to use the full potential of the composites. Friction Stir Welding can use the full potential of the fiber reinforced composite. Fundamental researches of the entry phase are presented in this paper. These results can be used for further welding experiments.

scholarly journals Friction Stir Welding Parameters: Impact of Abnormal Grain Growth during Post-Weld Heat Treatment on Mechanical Properties of Al–Mg–Si Welded Joints

Metals ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 1607
Author(s):  
Amir Hossein Baghdadi ◽  
Zainuddin Sajuri ◽  
Mohd Zaidi Omar ◽  
Armin Rajabi
Keyword(s):  
Mechanical Properties ◽  
Heat Treatment ◽  
Friction Stir Welding ◽  
Grain Growth ◽  
Precipitation Hardening ◽  
Al Alloys ◽  
Abnormal Grain Growth ◽  
Post Weld Heat Treatment ◽  
Welding Parameters ◽  
Friction Stir

Friction stir welding (FSW) is an alternative method to join aluminum (Al) alloys in a solid-state condition. However, the coarsening or dissolution of precipitation hardening phases in the welding zone causes strength reduction or softening behavior in the welded area of age-hardened Al alloys. Therefore, this research aimed to improve the mechanical properties of an FSW Al–Mg–Si alloy via post-weld heat treatment (PWHT) and the possibility of controlling the abnormal grain growth (AGG) using different welding parameters. FSW was performed with different rotational and travel speeds, and T6 heat treatment was carried out on the FSW samples as the PWHT. The results showed a decrease in the strength of the FSW samples compared with that of the base material (BM) due to the dissolution of precipitation hardening particles in the heat-affected zone. However, the emergence of AGG in the microstructure after the T6-PWHT was identified as the potential event in the microstructure of the PWHT samples. It is found that the AGG of the microstructure in similar joints of Al6061(T6) was governed by the welding parameters. The results proved that PWHT was able to increase the tensile properties of the welded samples to values comparable to that of Al6061(T6)-BM. The increased mechanical properties of the FSW joints were attributed to a proper PWHT that resulted in a homogeneous distribution of the precipitation hardening phases in the welding zones.

Micro-Drilling of CFRP Plates Using a High-Speed Spindle

2012 ◽  
Vol 523-524 ◽  
pp. 1035-1040 ◽  
Author(s):  
Keiji Ogawa ◽  
Heisaburo Nakagawa ◽  
Toshiki Hirogaki ◽  
Eiichi Aoyama
Keyword(s):  
Cutting Forces ◽  
High Speed ◽  
Fiber Reinforced ◽  
Fiber Reinforced Plastic ◽  
Reinforced Plastics ◽  
Cfrp Plate ◽  
Glass Fiber Reinforced ◽  
Reinforced Plastic ◽  
Micro Drilling ◽  
Fiber Reinforced Plastics

Fundamental characteristics in the micro drilling of carbon fiber reinforced plastic (CFRP) plates are investigated in the present paper. When micro drilling with a high-speed spindle, cutting forces during drilling, such as thrust force and torque, were measured by high resolution dynamometers and drill temperature was monitored by thermography. Comparing the experimental results of CFRP with that of drilling glass fiber-reinforced plastics (GFRP) revealed some unique tendencies. The cutting forces and drill temperature increased drastically. Moreover, drill wear rapidly accelerated. The tool life of CFRP plate drilling is much shorter than that of other plates.

Delamination in High Speed Drilling of Carbon Fiber Reinforced Plastic (CFRP)

2008 ◽  
Vol 42 (15) ◽  
pp. 1523-1532 ◽  
Author(s):  
Juan C. Campos Rubio ◽  
Alexandre M. Abrão ◽  
Paulo Eustáquio Faria ◽  
Antônio Esteves Correia ◽  
João Paulo Davim
Keyword(s):  
Carbon Fiber ◽  
High Speed ◽  
Carbon Fiber Reinforced Plastic ◽  
Fiber Reinforced ◽  
Fiber Reinforced Plastic ◽  
Reinforced Plastic ◽  
High Speed Drilling ◽  
Carbon Fiber Reinforced
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