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Effectiveness of uncoated WC-Co and PCD inserts in end milling of aluminum silicon carbide (AlSiC)

M. K., Nor Khairusshima and Amin, A. K. M. Nurul and Ismail, Ahmad Faris (2007) Effectiveness of uncoated WC-Co and PCD inserts in end milling of aluminum silicon carbide (AlSiC). Journal of Materials Processing Technology, 192-3. pp. 147-158. ISSN 0924-0136

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Metal matrix composite (MMC) with silicon carbide (SiC) reinforcement in pure aluminum matrix have found wide application in the automotive industry, especially in fiber reinforced pistons and particle-strengthened brake discs. Silicon carbide (SiC) reinforcement provides improved mechanical properties, thermal stability, high temperature formability and workability. However, the presence of the SiC phase in the structure causes serious machinability problems, especially when uncoated and coated WC-Co tools are used for their machining. High intensity of wear is attributed to high abrasive wear caused by the hard silicon carbide particles. In the current work investigations have been conducted to compare the performance of PCD tools with the conventional uncoated tungsten carbide-cobalt tool in machining aluminum silicon carbide (AlSiC) in terms of the applicable cutting speed ranges; chip morphology, tool wear rates and tool wear morphology, volume of metal removal allowed per tool life and attainable surface roughness.

Item Type: Article (Journal)
Additional Information: Impact factor = 1.567
Uncontrolled Keywords: MMC, PCD Inserts, Chatter, Machining Performance
Subjects: T Technology > TS Manufactures > TS200 Metal manufactures. Metalworking
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User: Dr. A.K.M. Nurul Amin
Date Deposited: 26 Jan 2012 09:25
Last Modified: 25 Jun 2020 15:21
URI: http://irep.iium.edu.my/id/eprint/16501

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