Effect of cutting environment and heat treatment on the surface roughness of drilled Al/SiC MMC
Abstract
In the last decades, the use of metal matrix composites (MMCs) has increased enormously in many engineering applications such as aerospace, automotive, marine and railway. Such materials are known as difficult to machine materials due to the presence of very hard and abrasive reinforcements. The purpose of this study is to determine the influence of the cutting parameters, cutting environment and heat treatments on the surface roughness after drilling A 356/15 SiC MMCs. Experiments were conducted at different cutting speeds, feed rates, heat treatments (as-received, solution annealed and aged) and cutting environments (MQL, compressed air and dry). Improved surface roughness values were obtained with increased cutting speeds and decreased feed rates. The surface roughness using the MQL technique was lower than the surface roughness obtained for the other cutting environment. The optimal machining parameter combination has been obtained and the cutting conditions in terms of the cutting speed of 15 m × min−1, the feed rate of 0.1 mm × rev−1 and the cutting environment MQL represent applicable solutions for the annealed materials.
Kurzfassung
In den letzten Jahrzehnten hat die Verwendung von Metallmatrix-Kompositen (Metal Matrix Composites (MMC)) in vielen technischen Anwendungsfeldern enorm zugenommen, wie zum Beispiel im Flugzeugbau, Automobilbau, Schiffbau und Schienenfahrzeugbau. Diese Werkstoffe sind wegen ihrer schwierigen maschinellen Bearbeitbarkeit bekannt, und zwar aufgrund der Anwesenheit von sehr harten und abrasiven Verstärkungen. Der Zweck der diesem Beitrag zugrunde liegenden Studie bestand darin, den Einfluss der Schneidparameter, der Schneidumgebung und der Wärmebehandlung auf die Oberflächenrauheit nach dem Drehen von Al 356/15 SiC-MMCs zu bestimmen. Hierzu wurden Versuche bei verschiedenen Schnittgeschwindigkeiten, Vorschubraten, Wärmebehandlungen (im Anlieferungszustand, lösungsgeglüht und gealtert) und Schneidumgebungen (MQL, Druckluft und trockene Umgebung) durchgeführt. Verbesserte Werte der Oberflächenrauheit ergaben sich für steigende Schnittgeschwindigkeiten und reduzierte Vorschubraten. Die Oberflächenrauheit bei Verwendung der MQL-Technik war niedriger als die Oberflächenrauheit für die anderen Schneidumgebungen. Die optimale Kombination der Bearbeitungsparameter wurde ermittelt. Mit einer Schnittgeschwindigkeit von 15 m × min−1, einer Vorschubrate von 0.1 mm × rev−1 und der Schneidumgebung MQL wurden Schneidbedingungen gefunden, die für die angelassenen Werkstoffe zu anwendbaren Lösungen führen.
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© 2016, Carl Hanser Verlag, München
Articles in the same Issue
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Three-dimensional surface measurement for the quantification of mechanical properties of laser-sintered parts
- Effect of the die approach zone shape on the transition of retained austenite and the mechanical properties of TRIP steel wires
- Effect of heat treatment on the wear resistance of cast irons
- Optimization of bead geometry for duplex stainless steel GTA welds using the Taguchi approach
- Corrosion behavior of X70 steel in sands at different charging times
- Fatigue life assessment of the driving shaft of a LCV by FEA using customer correlation data
- Hydrothermal effects on the burst strength of impacted glass fiber/epoxy composite pipes
- Effect of mechanical alloying on FeCrC reinforced Ni alloys
- Application of a fuzzy expert system for failure load estimation of two serial pinned or bolted sandwich composite plates
- Tensile shear strength and elongation of FSW parts predicted by Taguchi-based fuzzy logic
- Effect of cutting environment and heat treatment on the surface roughness of drilled Al/SiC MMC
- Advanced hybrid welding and manufacturing technologies
- Laser repair welding of an extrusion mold
- Mode II delamination of woven mengkuang fiber/woven silk laminated hybrid composites
Articles in the same Issue
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Three-dimensional surface measurement for the quantification of mechanical properties of laser-sintered parts
- Effect of the die approach zone shape on the transition of retained austenite and the mechanical properties of TRIP steel wires
- Effect of heat treatment on the wear resistance of cast irons
- Optimization of bead geometry for duplex stainless steel GTA welds using the Taguchi approach
- Corrosion behavior of X70 steel in sands at different charging times
- Fatigue life assessment of the driving shaft of a LCV by FEA using customer correlation data
- Hydrothermal effects on the burst strength of impacted glass fiber/epoxy composite pipes
- Effect of mechanical alloying on FeCrC reinforced Ni alloys
- Application of a fuzzy expert system for failure load estimation of two serial pinned or bolted sandwich composite plates
- Tensile shear strength and elongation of FSW parts predicted by Taguchi-based fuzzy logic
- Effect of cutting environment and heat treatment on the surface roughness of drilled Al/SiC MMC
- Advanced hybrid welding and manufacturing technologies
- Laser repair welding of an extrusion mold
- Mode II delamination of woven mengkuang fiber/woven silk laminated hybrid composites