Micro-Structural Analysis of Chip Formation During Orthogonal Machining of Al/SiCp Composites

[+] Author and Article Information
S. S. Joshi, N. Ramakrishnan

Department of Mechanical Engineering, Indian Institute of Technology, Bombay, Powai, Mumbai, 400 076 India

P. Ramakrishnan

Department of Metallurgical Engineering, Indian Institute of Technology, Bombay, Powai, Mumbai, 400 076 India

J. Eng. Mater. Technol 123(3), 315-321 (Nov 17, 2000) (7 pages) doi:10.1115/1.1356026 History: Received April 23, 1999; Revised November 17, 2000
Copyright © 2001 by ASME
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Grahic Jump Location
Reinforcement distribution in Al/SiC/20p composites
Grahic Jump Location
(a–d) Longitudinal c/s of chip showing STP (on shaper, speed: 16.5 m/min, depth of cut: 0.12 mm)
Grahic Jump Location
Enlarged longitudinal c/s of Al/SiC/30p (on shaper, speed: 16.5 m/min; depth of cut: 0.12 mm)
Grahic Jump Location
Longitudinal c/s of chip (Al/SiC/20p) (on lathe, speed: 68 m/min; depth of cut: 0.12 mm)
Grahic Jump Location
(a–b) SEM micrographs of chip roots (a) Chip root, (b) gross fracture (on lathe: speed: 22 m/min; depth of cut: 0.12 mm)
Grahic Jump Location
Model of deformation on shear plane
Grahic Jump Location
(a–b) Distribution of stresses on (a) tool face (b) shear plane 27
Grahic Jump Location
Model of distribution of stresses on the shear plane
Grahic Jump Location
State of stress on the shear plane



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