Research Status and Prospect of Friction Stir Processing Technology

Li, Kan; Liu, Xuemei; Zhao, Yi

doi:10.3390/coatings9020129

Cited by 89 publications

(54 citation statements)

References 80 publications

(98 reference statements)

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“…Kan et.al [11], reviewed the research growths in terms of principle, process and application of FSP technology as well as its upcoming research directions and developments prospects. The feasibility of FSP has been demonstrated extensively via experiments, but the current process is not sufficiently mature.…”

Section: Figure 1 : Drilled Hole Methods [7]mentioning

confidence: 99%

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Surface Composites Preparation of AL5052 Reinforced with Al2O3 by Friction Stir Processing

Devanathan¹,

Babu²,

Haribabu³

et al. 2019

IJRTE

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Friction stir processing is a modified form of friction stir welding process which is introduced to prepare the surface composites or to repair the defects in the surface to enhance the mechanical properties. The process is a green and environmental friendly process, where the required heat is produced by frictional action. In the present work, Surface composites were prepared using Al 5052 as base material and Al2O3 as reinforcement particles. Parameters such as number of passes, spindle speed, feed rate and tool pin profile were taken in three different levels. Six tools were made, three tools with 3:1 and remaining three with 4:1 D to d ratio. Totally 18 experiments were conducted with two group of tools. The results were analyzed to study the influence of above mentioned parameters on mechanical properties like tensile strength, hardness. The results were compared for different D/d ratios. The experimental results revealed that 3:1 D/d ratio tools were given better results than 4:1.Tool with square pin profile given better hardness and strength than the other profiles. This is because of the pulsating effect of the square pin profile. The other parameters have directly proportional relationship up to certain level, after which further increase of parameters reduces the tensile strength and hardness.

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Section: Figure 1 : Drilled Hole Methods [7]mentioning

confidence: 99%

“…In the last two decades the FSP technology has been extensively studied and has evolved in to many new application directions including superplastic materials and surface composites. [11]. The problems associated with melting and solidification can be addressed by making surface composites using Friction stir process.…”

Section: Introductionmentioning

confidence: 99%

Surface Composites Preparation of AL5052 Reinforced with Al2O3 by Friction Stir Processing

Devanathan¹,

Babu²,

Haribabu³

et al. 2019

IJRTE

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“…Good surface finishing especially with pin-less tool [86]. No pores or cracks on FSPed welded joint [80,87].…”

Section: Surface Finishmentioning

confidence: 99%

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

Mabuwa¹,

Msomi²

2020

Metals

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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.

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“…For duplex stainless steels, there are studies showing the success of using thermal treatments for increasing abrasion resistance 8 , increasing corrosion resistance and slip wear via laser shock peening 9 , and applying friction stir processing (FSP) for improving cavitation resistance 10 . Surface treatment by FSP is derived from the friction stir welding (FSW) process 11,12 . FSP occurs mainly through the contact of a rotating tool, composed of a shoulder and pin, that is plunged with an axial force in the workpiece, generating heat by friction and deformation.…”

Section: Introductionmentioning

confidence: 99%

“…This coupled system is promised to reduce processing forces, increase process speed and reduce manufacturing costs [17][18][19] . Apart their different technological purpose, FSP and FSW are correlated processes, as input parameters and phenomena observed during the execution of both manufacturing procedures can be linked to produce similar metallurgical results 11,12,14,20 . The friction stir welding process was already promising for the welding of duplex stainless steels [21][22][23][24] , since this process allowed to obtain welded joints with superior mechanical properties to those obtained by conventional welding, with absence of secondary deleterious phases, despite the welds obtained with this process present higher propensity to formation of these phases after the joining 25 .…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Abrasive Wear in UNS S32101 and S32750 Duplex Stainless Steels Submitted to Friction Stir Processing

et al. 2019

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Duplex stainless steels are largely applied in petrochemical industries due to their high corrosion resistance and mechanical performance. Their applicability also requires a great wear resistance, which can be enhanced by friction stir processing (FSP), a surface hardening technique. In this work, FSP is utilized to process surfaces of UNS S32101 and UNS S32750. The materials were analyzed by EBSD in order to determine grain size and phase fraction. Microhardness tests were used to verify and compare the shifting of hardness values from 296 ± 8 to 314 ± 11 HV 0.2/15 and from 323 ± 8 to 350 ± 8 HV 0.2/15 for UNS S32101 and S32750, respectively. Abrasion tests were executed to study the wear behavior of both processed and unprocessed alloys. Abrasion tests indicated that the hardening by FSP promoted decrement of abrasive wear resistance. Volumetric loss increased after FSP, from 52.1 ± 0.5 to 53 ± 2 mm 3 , for UNS S32101, and from 50 ± 2 to 56.3 ± 0.3 mm 3 for UNS S32750. Tensile tests results were fitted to Hollomon's equation in order to identify mechanical properties and tendencies of strain hardening. SEM images were used to classify the wear micromechanisms acting on the samples. The results suggest that FSP can promote modifications of wear mechanisms and these changes can be correlated to the alloys' microstructure.

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Research Status and Prospect of Friction Stir Processing Technology

Cited by 89 publications

References 80 publications

Surface Composites Preparation of AL5052 Reinforced with Al2O3 by Friction Stir Processing

Surface Composites Preparation of AL5052 Reinforced with Al2O3 by Friction Stir Processing

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

Evaluation of Abrasive Wear in UNS S32101 and S32750 Duplex Stainless Steels Submitted to Friction Stir Processing

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