Recent Trends and Advances in Friction Stir Welding and Friction Stir Processing of Metals

2018 ◽  
pp. 717-753
Author(s):  
Puthuveettil Sreedharan Robi ◽  
Sukhomay Pal ◽  
Biswajit Parida
Keyword(s):  
Friction Stir Welding ◽  
Friction Stir Processing ◽  
Friction Stir ◽  
Recent Trends

scholarly journals Friction Stir Processing Of TIG And Friction Stir Welded Dissimilar Alloy Joints: A Review

2019 ◽  
Author(s):  
Sipokazi Mabuwa ◽  
Velaphi Msomi
Keyword(s):  
Mechanical Properties ◽  
Friction Stir Welding ◽  
Friction Stir Processing ◽  
Aluminium Alloys ◽  
Food Packaging ◽  
Processing Technique ◽  
Tig Welding ◽  
Automotive Electronics ◽  
Friction Stir ◽  
Dissimilar Alloys

The use of aluminium alloys continues to grow in many applications to mention a few aerospace, automotive, electronics, electricity, construction and food packaging. With so much demand there is a new interest in welding of dissimilar aluminium alloys. Some of the welding techniques used to join dissimilar aluminium alloys include friction stir welding and TIG welding. The welding of dissimilar alloys affects the mechanical properties negatively due to porosity and cracking during the welding. This then suggests that there should be a process which can be used to improve the dissimilar alloys mechanical properties post its production. Friction stir processing was found to be one of the mechanical techniques that could be used to improve the mechanical properties of the material. This paper reports on the literature on the friction stir welding, TIG welding and friction stir processing techniques published so far, with the aim to identify the gap in the use of friction stir process as a post processing technique of the weld joints.

scholarly journals Investigation on friction stir welding of hybrid composites fabricated on Al–Zn–Mg–Cu alloy through friction stir processing

2019 ◽  
Vol 8 (5) ◽  
pp. 3733-3740 ◽  
Author(s):  
Namrata Gangil ◽  
Sachin Maheshwari ◽  
Arshad Noor Siddiquee ◽  
Mustufa Haider Abidi ◽  
Mohammed A. El-Meligy ◽  
...  
Keyword(s):  
Friction Stir Welding ◽  
Friction Stir Processing ◽  
Hybrid Composites ◽  
Friction Stir ◽  
Cu Alloy

scholarly journals Review on Friction Stir Processed TIG and Friction Stir Welded Dissimilar Alloy Joints

Metals ◽  
2020 ◽  
Vol 10 (1) ◽  
pp. 142 ◽  
Author(s):  
Sipokazi Mabuwa ◽  
Velaphi Msomi
Keyword(s):  
Friction Stir Welding ◽  
Friction Stir Processing ◽  
Aluminium Alloys ◽  
Processing Technique ◽  
Inert Gas ◽  
Tungsten Inert Gas Welding ◽  
Friction Stir ◽  
Dissimilar Alloys ◽  
The Status

There is an increase in reducing the weight of structures through the use of aluminium alloys in different industries like aerospace, automotive, etc. This growing interest will lead towards using dissimilar aluminium alloys which will require welding. Currently, tungsten inert gas welding and friction stir welding are the well-known techniques suitable for joining dissimilar aluminium alloys. The welding of dissimilar alloys has its own dynamics which impact on the quality of the weld. This then suggests that there should be a process which can be used to improve the welds of dissimilar alloys post their production. Friction stir processing is viewed as one of the techniques that could be used to improve the mechanical properties of a material. This paper reports on the status and the advancement of friction stir welding, tungsten inert gas welding and the friction stir processing technique. It further looks at the variation use of friction stir processing on tungsten inert gas and friction stir welded joints with the purpose of identifying the knowledge gap.

scholarly journals Wear of ZhS6U Nickel Superalloy Tool in Friction Stir Processing on Commercially Pure Titanium

Metals ◽  
2020 ◽  
Vol 10 (6) ◽  
pp. 799 ◽  
Author(s):  
Alihan Amirov ◽  
Alexander Eliseev ◽  
Evgeny Kolubaev ◽  
Andrey Filippov ◽  
Valery Rubtsov
Keyword(s):  
Friction Stir Welding ◽  
Tool Wear ◽  
Friction Stir Processing ◽  
Chemical Elements ◽  
Pure Titanium ◽  
Nickel Superalloy ◽  
Commercially Pure Titanium ◽  
Friction Stir ◽  
Commercially Pure ◽  
Residual Stresses And Strains

The use of electric arc or gas welding in the manufacture of titanium components often results in low quality welded joints due to large residual stresses and strains. A successful solution to this problem can be found in the application of friction stir welding. However, friction stir welding (FSW) of titanium alloys is complicated by rapid tool wear under high loads and temperatures achieved in the process. This paper studies the durability of a tool made of ZhS6U Ni-based superalloy used for friction stir processing of commercially pure titanium and the effect of the tool wear on the weld quality. The total length of the titanium weld formed by the tool without failure comprised 2755 mm. The highest wear of the tool is observed at the base of the pin, which brings about the formation of macrodefects in the processed material. The tool overheating causes an increase in the dendrite element size of ZhS6U alloy. The transfer layer contains chemical elements of this alloy, indicating that the tool wear occurs by diffusion and adhesion. As a result of processing, the tensile strength of commercially pure titanium increased by 25%.

scholarly journals Review on Friction Stir Processed TIG And Friction Stir Welded Dissimilar Alloy Joints

2019 ◽  
Author(s):  
Sipokazi Mabuwa ◽  
Velaphi Msomi
Keyword(s):  
Mechanical Properties ◽  
Friction Stir Welding ◽  
Friction Stir Processing ◽  
Welded Joints ◽  
Aluminium Alloys ◽  
Knowledge Gap ◽  
Friction Stir ◽  
Dissimilar Alloys ◽  
The Status

There is an increase towards reducing the weight of structures through the use of aluminium alloys in different industries like aerospace, automotive, etc. This growing interest would lead towards using dissimilar aluminium alloys which would require welding. TIG and friction stir welding are the well-known techniques that are currently suitable for joining dissimilar aluminium alloys. The welding of dissimilar alloys has its own dynamics which impact on the quality of the weld. This then suggests that there should be a process which can be used to improve the dissimilar alloys welds post their production. Friction stir processing is viewed as one of the techniques that could be used to improve the mechanical properties of the material. This paper reports on the status and the advancement of FSW, TIG and FSP technique. It further looks at the variation use of FSP on TIG and FSW welded joints with the purpose of identifying the knowledge gap.

scholarly journals Recent Trends in the Manufacture of Composites by Friction Stir Processing

2012 ◽  
Vol 30 (5) ◽  
pp. 16-21
Author(s):  
Yong-Ha Jeong ◽  
Sung-Tae Hong ◽  
Ho-Chul Seo
Keyword(s):  
Friction Stir Processing ◽  
Friction Stir ◽  
Recent Trends

Reconfiguration of a Milling Machine to Achieve Friction Stir Welds

2012 ◽  
Vol 232 ◽  
pp. 86-91 ◽  
Author(s):  
Akinlabi Esther Titilayo ◽  
Madyira Daniel Makundwaneyi ◽  
Akinlabi Stephen Akinwale
Keyword(s):  
Control System ◽  
Friction Stir Welding ◽  
Mild Steel ◽  
Friction Stir Processing ◽  
Joint Strength ◽  
Milling Machine ◽  
Friction Stir ◽  
Backing Plate ◽  
Vertical Milling ◽  
Vertical Milling Machine

This paper reports on the reconfiguration of a milling machine to produce friction stir welds of aluminium and copper and friction stir processing of 6086 aluminium alloy. Friction stir welding tools were designed and manufactured from tool steel. The tools were inserted into the chuck of the milling machine. A backing plate was also specially designed and manufacturedfrom mild steel to protect the milling machine table and was placed on the bed with the use of T-nuts. The plates were secured firmly on the backing plate with the use of specially designed clamping fixtures. The varied welding speeds and the rotational speeds were achieved using the control system on the vertical milling machine. The reconfigured milling machine was successfully employed to produce friction stir processing of aluminium and friction stir welds of aluminium and copper. An optimum joint strength of 74% was achieved.

Friction Stir Processing (FSP) of Cast Metals: Processing - Microstructure - Property Relationships

2012 ◽  
Vol 706-709 ◽  
pp. 194-201 ◽  
Author(s):  
Terry R. McNelley ◽  
E. Sarath Menon
Keyword(s):  
Friction Stir Welding ◽  
Grain Refinement ◽  
Friction Stir Processing ◽  
Surface Hardening ◽  
Shape Change ◽  
Friction Stir ◽  
Metals Processing ◽  
Step Over ◽  
External Shape

FSP is an allied technology of friction stir welding (FSW). These processes are reviewed and the additional considerations such as processing pattern and step over distance in FSP are introduced. The application of FSP to cast metals including AA5083, Al-7Si and NiAl bronze is summarized. As-cast microstructures may be converted to a wrought condition in the absence of external shape change and the extent of grain refinement and homogenization of microstructure is documented. The FSP-induced superplastic response of AA5083, enhanced ductility of Al-7Si and surface hardening of NiAl bronze are summarized as examples of properties developed by FSP.

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