Comparison of Five Methods Used to Measure Hardness (Classic Reprint)
Language: English
Published by Forgotten Books, 2018
- Hardcover
- New
Seller: Books Puddle, Woodside, NY, U.S.A.Books Puddle
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Condition: New
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- Title
- Comparison of Five Methods Used to Measure Hardness (Classic Reprint)
- Author
- Ralph P. Devries
- Publisher
- Forgotten Books
- Publication year
- 2018
- Condition
- New
- Binding
- Hardcover
- Language
- English
- ISBN 10
- 0265830761
- ISBN 13
- 9780265830765
Since Brinell proposed this method it has been investigated by Le Chatelier,2 Leon,3 Malmstrom,4 Meyers,5 and others.
The cone test, which is a modification of the sphere test, was first proposed and investigated by Ludwik. The principle of the method is the same as that of the sphere except that a cone of 90 angular opening is substituted for the sphere.
For the measurement of the workability or cutting hardness of metals Bauer proposed a method which depends in principle on the depth of hole drilled in a given time by a drill running at a con stand speed and under a constant pressure.
In 1906 Shore originated a hardness-measuring instrument, the action of which depends on the rebound of a hardened steel ham mer when it is dropped upon the substance under investigation.
The Ballantine method depends upon the amount a leaden disk is indented when it transmits through an anvil the energy of a falling hammer to the metal to be tested.
About the Publisher
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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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Books Puddle
Woodside, NY, U.S.A.
AbeBooks seller since November 22, 2018
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