Topic
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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TL;DR: In this paper, multiple-pass friction stir processing (FSP) was employed to impregnate TiO2 (rutile) particles into the surface of an Aluminium alloy, and the surface composites of Al-TiO2 were then anodized in a sulphuric acid electrolyte.
26 citations
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TL;DR: In this paper, the relation between base materials properties, plate thickness, welding conditions and torque evolution was explored, which constitutes a novelty relative to the previous studies on this subject, and the relations between processing parameters, classified as independent variables, and corresponding welding results, classifying as dependent variables, using torque sensitivity analysis.
26 citations
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TL;DR: In this paper, the use of friction stir processing (FSP) as a means to hardened surface layer in AISI 4140 steel was evaluated under both dry and lubricated contact conditions in reciprocating sliding.
26 citations
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01 Mar 2018
TL;DR: In this paper, a surface composite using commercially pure aluminum and TiC reinforcement powder with a significant fabrication technique called friction stir processing (FSP) was developed without any defects formation to investigate the particles distribution in the composite, microstructural changes and mechanical properties of the material.
Abstract: Titanium carbide (TiC) is an exceedingly hard and wear refractory ceramic material. The surface properties of the material are very important and the corrosion, wear and fatigue resistance behaviour determines its ability and applications. It is necessary to modify the surface properties of the materials to enhance their performance. The present work aims on developing a new surface composite using commercially pure aluminum and TiC reinforcement powder with a significant fabrication technique called friction stir processing (FSP). The metal matrix composite of Al/TiC has been developed without any defects formation to investigate the particles distribution in the composite, microstructural changes and mechanical properties of the material. The microstructural observations exhibited that the grain refinement in the nugget compared to the base metal and FSP without TiC particles. The developed composite properties showed substantial improvement in micro-hardness, friction factor, wear resistance and microstructural characteristics in comparison to parent metal. On the other side, the ductility of the composite specimens was diminished over the substrate. The FSPed specimens were characterised using X-ray diffraction technique and revealed that the formation of AlTi compounds and the presence of Ti phases in the matrix. The microstructures of the samples illustrated the uniform distribution of particles in the newly developed metal matrix composite.
25 citations
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TL;DR: In this paper, surface modification of austenitic stainless steel, SS316L, was done using friction stir processing, which resulted in significant grain refinement from 22μm to 0.67μm for the sample processed at 388-rpm under submerged cooling condition.
25 citations