T�tulo: High-Speed Steel: The Development, Nature, Treatment, and Use, of High-Speed Steels, Together with Some, Suggestions as to the Problems, Involved in Their Use (Classic Reprint)
Editor: Forgotten Books
Fecha de publicaci�n: 2017
Idioma: Ingl�s
ISBN 10: 1330270762
ISBN 13: 9781330270769
Encuadernaci�n: Paperback
Estado: Brand New

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Sinopsis

Excerpt from High-Speed Steel: The Development, Nature, Treatment, and Use, of High-Speed Steels, Together With Some, Suggestions as to the Problems, Involved in Their Use

It is rather unusual that any considerable time should elapse between the announcement of a great discovery and the appearance of a book dealing specifically and comprehensively with the subject of that discovery; and especially is this true when the idea or invention has such a far-reaching, even revolutionary, influence in its particular department of the world's activities as is the case with high-speed steels. Nevertheless during the decade and more since Fred W. Taylor and Maunsel White unexpectedly stumbled upon the high-hcat treatment for tungsten and related steels, and developed their high-speed steel, nothing has been published which could be called at all adequate as a treatment of the subject, except possibly Mr. Taylor's address before the American Society of Mechanical Engineers on the occasion of his inauguration as president, at the December, 1900, meeting; and the articles hereafter mentioned. This address or report is indeed a monumental work, including as it does the results of his experiences and researches, and those of his co-laborers, in the carrying on of his investigations. These researches, it would seem, have been more extensive and thorough than any others yet attempted, covering the general subject of the new steels. Other investigations, covering limited portions of the field, like those of Dr. H. C. H. Carpenter, say, have been exhaustive as far as they extended, an�l also are very valuable for the light they throw upon the nature and the possibilities of high-speed steel.

The Taylor report confines itself largely to the experiences of its author and his associates, and unfortunately, has not a good index. There has been a pretty general feeling for some time that a work should he available which would cover comprehensively the whole subject of high…

Rese�a del editor

Excerpt from High-Speed Steel: The Development, Nature, Treatment, and Use, of High-Speed Steels, Together With Some, Suggestions as to the Problems, Involved in Their Use

The entire subject is so recent, however, and astonishing developments have followed one another with such bewildering rapidity, that the aecom plishing of this purpose presented many difficulties. Almost every steel man knows the practical impossibility of obtaining detailed information concem ing tool steels which is absolutely accurate and reliable. The personal equation and a multitude of other factors commonly accounted negligible, so much affect results that the assertion might be safely hazarded that all conclusions as to method and means in steel treatment are subject to allowances for these elements. Thus, for illustration, two different plants operated by the some concern make large use of the barium process in hardening. At one the temperature commonly maintained and indicated by the pyrometer is 1200 degrees C. (2200 while at the other an instrument of the same make and calibrated with equal care uniformly indicates only 1070 degrees C. (1950 F.) and yet as far as can be seen by the eye of an experienced operator, familiar with both plants, the two baths are kept at identical temperatures. Certain it is that results equally good are obtained at both plants.

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This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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