The Development of Free Machining Sintered Metals Including Nonmetallic Materials

[+] Author and Article Information
K. Yamaguchi, T. Nakamoto

Department of Electronic-Mechanical Engineering, School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-01, Japan

T. Mizuno

Nippon Denso Co., Ltd., 1-1, Showa-cho, Kariya-shi, Aichi-ken 448, Japan

S. Daido

Nippon Soken Inc., 14 Iwaya, Shimohasumi-cho, Nishio-shi, Aichi-ken 445, Japan

J. Eng. Ind 115(3), 278-283 (Aug 01, 1993) (6 pages) doi:10.1115/1.2901661 History: Received October 01, 1990; Revised December 01, 1992; Online April 08, 2008


This paper deals with the lubricating action of nonmetallic inclusions in metal cutting. The purpose of this study is to find the most effective inclusions for metal cutting, and to develop free machining sintered metals including nonmetallic materials. The most effective additives are glass, boron nitride, and talc. By the addition of 3 percent glass to the iron, tool life could be increased 60 times.

Copyright © 1993 by The American Society of Mechanical Engineers
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