NDLI: On the Numerical Analysis of Different Controlling Parameters During the Solidification of Aluminum-Carbon Fiber Composite With Thermal Management

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Amano, R. S. Lee, E. K. Rohatgi, P. K. Seong, H. G. Tiwari, V. K.
Copyright Year	2002
Abstract	Metal matrix composites (MMCs) consist of two or more distinct phases, namely a continuous metallic phase known as the matrix and a reinforcing phase. MMCs offer advantages over traditional monolithic materials of enhanced material properties such as strength, thermal/electrical conductivity, toughness, modulus of elasticity, wear resistance, etc. It is desirable to shorten the solidification time when producing MMCs because the higher the cooling rate, the finer the microstructures of the MMCs will be. The present research investigates MMCs processed in a novel way, in which the ends of the reinforcement phase are extended outside the liquid matrix envelope and cooled by a heat sink. By doing so, heat extraction in the axial direction greatly reduces the solidification time compared with conventional way of making MMCs. Due to the complicated geometry of the calculation domain, analytical result is very difficult to obtain. Therefore, attempts have been made to solve the energy equation by finite difference numerical method for a 2-D axis-symmetric model involving phase change. The calculation domain is based on the proposed experimental configuration by Rohatgi et al. [1]. In this paper, the effects of selected parameters which can influence the process of solidification are examined. These parameters include the volume fraction, the thermal conductivity of the reinforcing phase, and the heat sink temperature.
Sponsorship	Heat Transfer Division
Starting Page	269
Ending Page	276
Page Count	8
File Format	PDF
ISBN	0791836363
DOI	10.1115/IMECE2002-32913
Volume Number	Heat Transfer, Volume 5
Conference Proceedings	ASME 2002 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2002-11-17
Publisher Place	New Orleans, Louisiana, USA
Access Restriction	Subscribed
Subject Keyword	Elastic moduli Temperature Cooling Electrical conductivity Aluminum Carbon Fibers Solidification Fracture toughness Geometry Heat Composite materials Numerical analysis Materials properties Thermal management Metal matrix composites Thermal conductivity Wear resistance Heat sinks
Content Type	Text
Resource Type	Article

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