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Friction stir processing

About: Friction stir processing is a research topic. Over the lifetime, 2977 publications have been published within this topic receiving 62158 citations.


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Journal ArticleDOI
TL;DR: In this article, the fly ash reinforcement of FA particles enhanced the micro-hardness of the composites and the strengthening mechanisms were discussed, which will bring down the production cost of metal matrix composites.

60 citations

Journal ArticleDOI
TL;DR: In this article, a novel method based on friction stir processing was developed for fabrication of polymer/clay nanocomposites to enhance the dispersion state of nanoclay particles and surface mechanical properties.
Abstract: A novel method based on friction stir processing was developed for fabrication of polymer/clay nanocomposites to enhance the dispersion state of nanoclay particles and surface mechanical properties. X-ray diffraction, transmission electron microscopy, microhardness and rheological analysis were employed to investigate the effect of processing parameters on morphology and surface mechanical properties. An attempt was made to establish correlations between the significantly enhanced microhardness values and FSP-induced dispersion of nanoclay.

59 citations

Journal ArticleDOI
TL;DR: In this article, the microstructure-mechanical property correlations for a Mg-4Y-3RE (WE43) alloy were reported for both as-received and friction stir (FS) processing.
Abstract: This paper reports microstructure–mechanical property correlations for a Mg–4Y–3RE (WE43) alloy. Friction stir (FS) processing was employed to modify the microstructure of hot-rolled (as-received) WE43 alloy. The grain size decreased from 10 to 300 µm in as-received condition to an average of 3.1±0.4 µm in FS processed condition. The alloy in AR condition contained globular, acicular, and rectangular (cuboidal) shaped precipitates located at twin boundaries, grain boundaries, and intragranular regions, along with fine scale honeycomb network of intragranular β1 precipitates. A very good combination of strength and ductility was observed for the alloy tested in FS processed condition. Detailed fractography was done to differentiate mode of fracture between as-received and FS processed conditions. Based on Schmid factor analysis, it was concluded that basal slip system controlled the yielding of the material in both the conditions. An empirical relationship was developed between work hardening rate and ductility. This can be applied to microstructural design of magnesium alloys used for applications where high uniform ductility is needed.

59 citations

Journal ArticleDOI
TL;DR: In this paper, tungsten particles were dispersed into 1060 Al matrix by multi-pass friction stir processing (FSP) to fabricate W/1060Al composites and the effects of the number of FSP passes on the microstructure, mechanical properties and electrical resistivity were investigated.
Abstract: In this paper, tungsten particles were dispersed into 1060 Al matrix by multi-pass friction stir processing (FSP) to fabricate W/1060Al composites. The effects of the number of FSP passes on the microstructure, mechanical properties and electrical resistivity were investigated. Microstructural observations revealed that increasing the number of FSP passes contributed to W uniform distribution and grain refinement without changing the size and morphology of W particles. Detailed interfacial microstructure analysis indicated that an excellent metallurgical bonding consisting of an element solid solution was formed at the W/Al interface. The mechanical test results showed that, as the number of FSP passes increased, the microhardness values were remarkably enhanced with a more uniform distribution and at the same time both the strength and ductility of FSPed composites were also improved. The maximum microhardness, strength and ductility were achieved in 5-pass FSPed composite reaching to approximate 86 HV, 126 MPa and 24%, respectively. It was also found that the W particles reinforced Al composites exhibited excellent electrical conductivity and increasing the number of FSP passes caused a negligible enhancement in the electrical resistivity of FSPed composites.

59 citations

Journal ArticleDOI
TL;DR: Graphene nanoplatelets reinforced Al6061 surface composites were successfully fabricated by multiple micro channel reinforcement filling (MMCRF) strategy during multi-pass friction stir processing (FSP) as discussed by the authors.

59 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023236
2022443
2021356
2020322
2019349
2018261