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Excerpt from Alloys of Chromium, Copper and Nickel1. Purpose of the Investigation. - The growing interest in special acid-resisting alloys and the many uses found for them has stimulated both the search for efficient materials of this nature and the study of the causes underlying their inertness. The alloys developed by Professor S. W. Parr for use in calorimeter construction have shown this quality of high resistance to corrosion to a marked degree. The almost perfect insolubility of these alloys in nitric and other acids seems to be conditioned upon a proper mixture of chromium, copper, and nickel, together with smaller quantities of such added metals as tungsten or molybdenum.These additions have so marked an effect in improving both the acid resisting properties and the casting qualities of the alloys that it has seemed desirable to study their effects more systematically in order that they may be used to the best advantage. The complexity of the mixtures used, however, has made the problem a very difficult one and has shown the necessity of first obtaining a more complete knowledge of the ternary alloys of chromium, copper, and nickel, and of the binary alloys of copper and nickel, copper and chromium, and chromium and nickel. With this information in hand it should be possible to understand better the effects produced by additions of a fourth metal.In the work presented in this bulletin a preliminary survey has been made of the binary and ternary alloys and a somewhat systematic study made of their properties.2. Present State of Information. - Previous investigators have studied in some detail the equilibrium conditions in the three binary systems. The freezing point curves for copper-nickel and chromium-nickel alloys have been fairly well established, but that for the chromium-copper series has been determined only in part, owing to the unusual difficulties attending the work.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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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Alloys of Chromium, Copper and Nickel
Bokrecensioner » Alloys of Chromium, Copper and Nickel (Classic Reprint)
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