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Metallurgical and Materials Transactions A

Erschienen in:

01.12.2008

Optimization of the Machinability of the Al-SiC Metal Matrix Composite Using the Dynamic Material Model

verfasst von: B. Mohan, S. Venugopal, A. Rajadurai, S.L. Mannan

Erschienen in: Metallurgical and Materials Transactions A | Ausgabe 12/2008

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Abstract

The dynamic material model (DMM) method has been widely used for the macroscopic description of flow, fracture, and workability of materials under hot deformation. This investigation is aimed at proposing a new methodology for the optimization of hot machinability of a material using the DMM stability criteria. The constitutive flow behavior of Al-20 pct SiC has been evaluated in the temperature range 50 °C to 350 °C and the cutting velocity in the range from 25 and 300 m/min with the view to optimizing its machinability using the DMM instability parameters. The DMM instability parameters predicted a narrow region around 150 °C and 150 m/min as the optimum domain for machining this material. It has been observed that the tool wear is minimum at optimal conditions. This investigation proved that the machinability could be optimized through the DMM.

Vorheriger Artikel Microstructure of ECAE-Processed Copper after Long-Term Room-Temperature Storage

Nächster Artikel Master Sintering Curve for Densification Derived from a Constitutive Equation with Consideration of Grain Growth: Application to Tungsten Heavy Alloys

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Titel: Optimization of the Machinability of the Al-SiC Metal Matrix Composite Using the Dynamic Material Model
verfasst von: B. Mohan
S. Venugopal
A. Rajadurai
S.L. Mannan
Publikationsdatum: 01.12.2008
Verlag: Springer US
Erschienen in: Metallurgical and Materials Transactions A / Ausgabe 12/2008
Print ISSN: 1073-5623
Elektronische ISSN: 1543-1940
DOI: https://doi.org/10.1007/s11661-008-9591-5

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