Research Papers

Study of Machinability of Metals

[+] Author and Article Information
H. Takeyama, E. Usui

Government Mechanical Laboratory, Tokyo, Japan

J. Eng. Ind 81(4), 289-292 (Nov 01, 1959) (4 pages) doi:10.1115/1.4008319 History: Received April 13, 1958; Published November 01, 1959; Online February 20, 2019


If the definition of the so-called machinability is simplified, a rather scientific treatment of machinability is possible. The experiment to be described reveals that machinability of a metal in terms of chip formation, which is one of the most important aspects, is closely related to the ratio of the shearing strain to the shearing stress near the fracture point of the shearing-test curve of the metal. The larger the ratio, the poorer the machinability from the viewpoint of chip formation.

Copyright © 1959 by ASME
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