Solid particle erosion wear behavior of severe plastically deformed AA7075 alloys
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Hasan Kaya
Abstract
In this study, severe plastic deformation (SPD) and wear behavior of AA 7075 allosy widely used in aerospace, automotive and defence industries, has been investigated. The equal channel angular pressing (ECAP) process was applied to achieve an ultra-fine grain structure of homogenized AA 7075 materials. Solid particle abrasion behavior was impressed into homogenized and ECAP' ed materials via a variable particle impingement angle (PIA) and acceleration pressure. Microstructure and wear behavior of the tested materials were investigated using scanning electron microscopy (SEM) and a surface profilometer. In the studies conducted, it was observed that an increase in the number of ECAP passes with the effect of SPD, reduced the solid particle wear behavior.
Kurzfassung
In der diesem Beitrag zugrunde liegenden Studie wurde die starke plastische Verformung und das Verschleißverhalten der Alumniumlegierung AA 7075 untersucht, die breitflächig im Flugzeugbau, im Automobilbau und in der Verteidigungsindustrie eingesetzt wird. Es wurde das Equal Channel Angular Pressing (ECAP) Verfahren angewandt, um eine ultrafeine Kornstruktur des homogenisierten Werkstoffes AA 7075 zu erreichen. Das Festpartikel-Verschleißverhalten wurde in den homogenisierten und ECAP-behandelten Werkstoffen unter einem variablen Partikelauftreffwinkel und Beschleunigungsdruck untersucht. Die Mikrostrukturen und das Verschleißverhalten der Testwerkstoffe wurden mittels Rastereleketronenmikroskopie und einem Oberflächenprofilometer untersucht. In der Studie wurde beobachtet, dass mit einer Zunahme der ECAP-Behandlungen mit der Auswrikung einer starken plastischen Verformung das Festpartikelverschleißverhalten reduziert werden konnte.
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© 2018, Carl Hanser Verlag, München
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Compression testing of additively manufactured continuous carbon fiber-reinforced sandwich structures
- Microstructure and mechanical properties of nano-carbon reinforced Cu-based powder metallurgy friction materials produced by hot isostatic pressing
- Thermo-mechanical testing of TiO2 functional coatings using friction stir processing
- Ternary melt blend based on poly (lactic acid)/chitosan and cloisite 30B: A study of microstructural, thermo-mechanical and barrier properties
- Untersuchungen zur verlässlichen Messung der Härte nach dem UCI – Verfahren (Ultrasonic Contact Impedance)
- Electrochemical impedance spectroscopy of sand of varied particle size and water content using the three-electrode system
- Recycling of LM25 aluminum alloy scraps
- Mechanical fracture characterization of adhesive interfaces: Introducing a new concept for evaluating adhesive quality
- Effect of welding processes on mechanical and microstructural properties of S275 structural steel joints
- Essential Work of Fracture: Bestimmung des gültigen Ligamentbereiches mittels digitaler 3D-Bildkorrelation
- Synthesis, properties and EDM behavior of 10 wt.-% ZrB2 reinforced AA7178 matrix composites
- Solid particle erosion wear behavior of severe plastically deformed AA7075 alloys
- Performance of coated and uncoated carbide/cermet cutting tools during turning
- Assessment of soft materials for anthropomorphic soft robotic fingertips
- Application of the grey based Taguchi method and Deform-3D for optimizing multiple responses in turning of Inconel 718
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Compression testing of additively manufactured continuous carbon fiber-reinforced sandwich structures
- Microstructure and mechanical properties of nano-carbon reinforced Cu-based powder metallurgy friction materials produced by hot isostatic pressing
- Thermo-mechanical testing of TiO2 functional coatings using friction stir processing
- Ternary melt blend based on poly (lactic acid)/chitosan and cloisite 30B: A study of microstructural, thermo-mechanical and barrier properties
- Untersuchungen zur verlässlichen Messung der Härte nach dem UCI – Verfahren (Ultrasonic Contact Impedance)
- Electrochemical impedance spectroscopy of sand of varied particle size and water content using the three-electrode system
- Recycling of LM25 aluminum alloy scraps
- Mechanical fracture characterization of adhesive interfaces: Introducing a new concept for evaluating adhesive quality
- Effect of welding processes on mechanical and microstructural properties of S275 structural steel joints
- Essential Work of Fracture: Bestimmung des gültigen Ligamentbereiches mittels digitaler 3D-Bildkorrelation
- Synthesis, properties and EDM behavior of 10 wt.-% ZrB2 reinforced AA7178 matrix composites
- Solid particle erosion wear behavior of severe plastically deformed AA7075 alloys
- Performance of coated and uncoated carbide/cermet cutting tools during turning
- Assessment of soft materials for anthropomorphic soft robotic fingertips
- Application of the grey based Taguchi method and Deform-3D for optimizing multiple responses in turning of Inconel 718