Joining and fabrication of metal matrix composites by friction stir welding/processing

Das, Hrishikesh; Mondal, Mounarik; Hong, Sung-Tae; Chun, Doo‐Man; Han, Heung Nam

doi:10.1007/s40684-018-0016-7

Cited by 33 publications

(11 citation statements)

References 173 publications

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“…shoulder diameter geometry as well as pin profile while groove dimension in terms of depth and width should be well designed; also, machine variables must be controlled such as tool plunge depth, tool tilt angle, tool rotational speed, and tool traverse speed. In the same vein, amount of heat input and the method of heating and cooling must be controlled significantly while material properties must be known before and after the processing such as mechanical, chemical, thermal as well as electrical properties (Das et al 2018;Ikumapayi et al, 2018a,b;Koli et al, 2014;Mishra & Ma, 2005;Sharma et al, 2015). Several researchers have done tremendous works on behaviors of aluminium alloy 7075 at different tapered conditions using various reinforcement particles ranging from metallic powders to agrowastes powders which are carried out experimentally and theoretically (Johannes & Mishra, 2007;Kubit et al, 2018;Padhy et al, 2017;Rana et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Tribological, structural and mechanical characteristics of friction stir processed aluminium-based matrix composites reinforced with stainless steel micro-particles

et al. 2020

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The efficacy of stainless-steel micro-particles on friction stir processed aluminium-based matrix composite (ABMC) was studied using tribological, mechanical and structural analysis tools. The stainless-steel powder (17-4PH) of average size 45-90 µm was used as the reinforcement particle. The parametric values employed during the fabrication of ABMC-AA7075-T651/17-4PH were the rotational speed of 1500 rpm and travel speed of 20 mm/min while the plunge depth and tilt angles used were respectively 0.3 mm and 3 degrees. Tribological study was carried out under the influence of dry sliding condition with varying loads of 20 N and 50 N using tribometer while the scanning electron microscope (SEM) was used to capture the wear track. Structural analysis was examined with the aid of x-ray diffraction (XRD). The tensile strengths of the fabricated ABMC were also tested and the fracture surfaces were studied using SEM analysis. The results from the study revealed that at higher loading of 50 N, the wear performance was significantly improved for the fabricated aluminium composite-AA7075-T651/17-4PH when compare with lower loading of 20 N. The tensile properties for the ABMC were also improved under the influence of the stainless steel microparticles. There was structural improvement in ABMC wherein the value for crystallite size was lowest while micro-strain, dislocation density, as well as full width at half maximum (FWHM), had the highest values over the FSPed AA7075-T651 and the parent material. The examined fractured surface of the fabricated composite was dominated with fine, network and equiaxed dimples with cup and cone attributes confirming superb interfacial bonding and that the failure mode was ductile.

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Section: Introductionmentioning

confidence: 99%

Tribological, structural and mechanical characteristics of friction stir processed aluminium-based matrix composites reinforced with stainless steel micro-particles

et al. 2020

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“…The FSP technique does not only refine the microstructural grain size but also modifies the texture of the processed zone [3,4]. FSP has been successfully used in many applications including the fabrication of surface composites of aluminium substrates [5,6], for superplastic high strain rate [7,8], metal matrix composites [9,10] and cast aluminium alloys [11,12]. FSP as an enticing emerging technology continues to grow, however, due to the high temperature the material experiences during FSP, grain growth was found to occur.…”

Section: Introductionmentioning

confidence: 99%

The Influence of Multiple Pass Submerged Friction Stir Processing on the Microstructure and Mechanical Properties of the FSWed AA6082-AA8011 Joints

Mabuwa

Msomi

2020

Metals

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The AA6082–AA8011 friction stir-welded joints were subjected to submerged multiple pass friction stir processing to evaluate the microstructure and mechanical properties of the joints. A maximum of four submerged friction stir processed passes were used in this study. All the specimens were extracted from three different joint positions (start, middle and end). The tests conducted included microstructural analysis, tensile tests, hardness and fracture surface morphology of the post-tensile specimens, were performed using a scanning electron microscope (SEM). There was no particular trend in the microstructure and mechanical properties when looking at the specimen positioning in all the passes. The minimum mean grain sizes were refined from 3.54 to 1.49 µm and the standard deviation from 5.43 to 1.87 µm. The ultimate tensile strength was improved from 84.96 to 94.77 MPa. The four-pass SFSPed specimens were found to have more ductile properties compared to the one-pass SFSPed one. The hardness of the stir zones in all the passes was found to be higher compared to the AA8011 base material but lower than the AA6082 one. The maximum stir zone hardness of 75 HV was observed on the one-pass SFSP joints.

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“…Technical factors like variation in pin length can control the processed depth in one-step technique. FSP is adaptable for processing, synthesis and fabrication of materials (Saini et al , 2015; Das et al , 2018; Rajan et al , 2016). Fabricating ex situ and in situ hybrid and nano surface composites of various alloys (Gangil et al , 2017; Zhang et al , 2011).…”

Section: Introductionmentioning

confidence: 99%

Surface development by reinforcing nano-composites during friction stir processing – a review

Swathi

Raju

Ramulu

2019

JEDT

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Purpose Friction stir processing (FSP) is overviewed with the process variables, along with the thermal aspect of different metals. Design/methodology/approach With its inbuilt advantages, FSP is used to reduce the failure in the structural integrity of the body panels of automobiles, airplanes and lashing rails. FSP has excellent process ability and surface treatability with good corrosion resistance and high strength at elevated temperatures. Process parameters such as rotation speed of the tool, traverse speed, tool tilt angle, groove design, volume fraction and increase in number of tool passes should be considered for generating a processed and defect-free surface of the workpiece. Findings FSP process is used for modifying the surface by reinforcement of composites to improve the mechanical properties and results in the ultrafine grain refinement of microstructure. FSP uses the frictional heat and mechanical deformation for achieving the maximum performance using the low-cost tool; the production time is also very less. Originality/value 100

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Joining and fabrication of metal matrix composites by friction stir welding/processing

Cited by 33 publications

References 173 publications

Tribological, structural and mechanical characteristics of friction stir processed aluminium-based matrix composites reinforced with stainless steel micro-particles

Tribological, structural and mechanical characteristics of friction stir processed aluminium-based matrix composites reinforced with stainless steel micro-particles

The Influence of Multiple Pass Submerged Friction Stir Processing on the Microstructure and Mechanical Properties of the FSWed AA6082-AA8011 Joints

Surface development by reinforcing nano-composites during friction stir processing – a review

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