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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01 Jan 2021
TL;DR: In this paper, the authors focus on providing an analysis of the wear on cylinder liners of automotive and aircraft engines due to the repeated sliding stroke of a piston stroke, and provide a solution to the problem.
Abstract: Recently, cylinder liners of automotive and aircraft engines are encountered severe wear due to piston slap occurred by the repeated sliding stroke of piston. This research focuses on providing an ...
28 citations
TL;DR: In this paper, the information on the various matrix material and reinforcement particles used for friction stir processing is given, and the Microstructure using scanning electron microscope (SEM), micro hardness using Vickers hardness testing technique, tool material used and effect of parameters like tool rotational speed and traverse speed are studied.
27 citations
TL;DR: In this paper, the friction stir welded dissimilar aluminium alloy joints were friction stir processed under air (normal) and underwater (submerged) with room temperature conditions and the joints produced through these two distinct conditions were studied comparatively.
Abstract: The friction stir welded dissimilar aluminium alloy joints were friction stir processed under air (normal) and underwater (submerged) with room temperature conditions. The joints produced through these two distinct conditions were studied comparatively. The microstructural analysis revealed that due to the water rapid cooling system the grain sizes received were finer compared to the normal friction stir processing ones. The microstructural grain refinement contributed immensely toward the joint tensile properties. The submerged friction stir processed joints were found to be more ductile compared to the normal friction stir processed ones. The positioning of the harder alloy (AA6082) on the advancing side and the soft alloy (AA8011) on the retreating side yielded better results for both normal and submerged conditions. The sampling position was also found to have an impact on the results. This was observed when the specimens cut in the beginning of the joint were studied comparatively with those cut from other locations of the joint.
27 citations
11 Jun 2015-Materials Science and Engineering A-structural Materials Properties Microstructure and Processing
TL;DR: In this article, the authors used friction stir processing (FSP) to refine the microstructure of different alloys resulting in superior mechanical properties, which is a critical issue during hot deformation of FSPed Al alloys.
Abstract: Friction stir processing (FSP) has demonstrated to refine the microstructure of different alloys resulting in superior mechanical properties. Abnormal grain growth (AGG) has been recognized as a critical issue during hot deformation of FSPed Al alloys. 5083 Al alloys with different Mn content were subjected to heat treatments at 350 and 535 °C before FSP to avoid AGG during subsequent hot deformation. As a result, heat treatment of 350 °C was able to retard AGG significantly. Also, an improvement in the refinement of the microstructure was observed. Consequently, a better ductility of 861% at elevated temperature was reached in the alloy with lower Mn content comparing with the same alloy without heat treatment prior to FSP.
27 citations
TL;DR: In this paper, Al 2 O 3 /TiO 2 particle-reinforced copper matrix surface composites were successfully processed via friction stir processing (FSP) and a "sandwich" lap joint setup subjected to multi-pass FSP was adopted.
27 citations