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Excerpt from The Chemical Analysis of Steel-Works' Materials Since the publication of The Analysis of Steel-Works Materials in 1902, quite a number of text-books on pyrometry and microscopy have appeared, in response to the rapid growth and development of these highly important branches of metallurgy. This little volume, therefore, purports to be a new and revised edition, long overdue, of that section only of the work referred to, which treated of the analytical chemistry of the raw materials and finished products of ferrous metallurgy. Compiled at infrequent intervals, and under difficult circumstances, its defects are doubtless not few, and none the less because the authors esteemed friend, Harry Brearley, was unable to collaborate in its production. The author gratefully acknowledges the assistance of Drs. L. Aitchison and F. C. Thompson, and of Messrs. B. W. Methley, F.I.C., S.G. Clark, T. F. Russell, and E. V. Nicholson. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Excerpt from The Sampling and Chemical Analysis of Iron and Steel During many years of service in the Royal Testing Bureau the authors have noticed again and again how carelessly and often quite unscientifically the sampling of iron and steel for chemical analysis is carried out. The practical man usually assumes that the material for analysis has the same composition throughout its entire cross-section and that it is immaterial, therefore, where and how the samples are taken. This assumption is often incorrect. The complaints made against chemists, in cases of bad agreement in analytical results, are often unjust because the differences in chemical composition due to segregation are frequently much greater than the possible errors in the analytical procedures. Fortunately, however, with the aid of metallography and the macroscopic study of the structure, the chemist is now able to determine quickly and with certainty whether segregation has taken place. The first part of this book shows, by means of numerous examples taken from metallographic practice, how seriously the analytical results can be influenced by incorrect sampling. Before discussing them, a brief introduction to Metallography is given with a description of the necessary apparatus, the methods of etching, and the characteristic appearance of the different constituents. In the second part, the methods of chemical analysis are given in detail. In collecting these methods the main object has been to include only those methods which have been found reliable and have undergone the test of a number of years' use at the Royal Testing Bureau. They are suitable, therefore, for test and umpire analyses. Descriptions of the very rapid "works methods" are omitted because these processes aim to give quick results rather than values of great accuracy. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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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Excerpt from Rapid Methods for the Chemical Analysis of Special Steels, Steel-Making Alloys, Their Ores and Graphites In all there are considerably more than one hundred additional pages of new material not found in either of the previous editions; and a net increase of the size of the book to the extent of also more than 100 pages. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.
Excerpt from The Analysis of Steel-Works Materials In the following pages we have dealt the Analysis of Steel works materials on such lines as could profitably be followed in a large and busy Works Laboratory. The processes given in the books we have seen either (1) are too long and laborious; (2) require too delicate manipulation; (3) are too scanty in their treatment of the newer materials of steelmaking; or (4) are not sufficiently accurate. We believe that the special standpoint from which the book has been written makes it no worse a text-book for technical schools and colleges. No man, in a lifetime, could choose the best from the continually increasing number of ways of analysing Steel Works Materials, and prove his chosen methods at every point. This has been our ideal, though we have by no means accomplished it. We have, however, described no method that has not been personally verified and practised for a considerable time, except in one or two minor (and mentioned) cases dealing with estimations we have never had occasion to make: and which have been added for the sake of completeness merely. In many instances we have imposed the still severer test of having estimations made by persons who were inexperienced in the particular process. And, moreover, in writing up the description we have simultaneously worked through the operation, so that no feature might be overlooked which was needful to a complete appreciation of the process; most of the typical analyses given were obtained in this way. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.
Excerpt from Rapid Methods for the Chemical Analysis of Special Steels, Steel-Making, Alloys, and Graphite IN offering this little volume the author desires to call attention to the portions of it that he has worked out in his own way and that are, as far as he is aware, new features. (1) A qualitative test for titanium in the presence of vanadium. (2) The annealed test for ebro mium in steel. (3) The test for annealing in steel. (4) The pouring Of the indicator into the solution when titrating for vanadium and chromium in steel, in the presence of either or both elements. (5) The determina tion of small amounts of copper and nickel in steel and ferro-vanadium by first separating the copper and nickel from the bulk of the iron and vanadium by means of potassium ferricyanide. (6) The exact determination of phosphorus in ferro-vanadium, demonstrating that as little as one-eighth of the actual phosphorus may be Obtained by the ordinary processes. (7) The application of the new heating wire to a combustion tube. (8) The modified method for higher per cents of nickel. (9) The determination of Silicon carbide in old plumbago crucibles and its existence therein. (10) The automatic labora tory still. (11) The simple laboratory method for making clay combustion boats. (12) The method for annealing Hadfield's steel. (13) The author's method for the rapid volumetric determination Of manganese in the presence of iron, Calcium and magnesium, by means of potassium ferricyanide. (14) The new form of potash absorption and weighing apparatus for carbon dioxide. (15) The new form of combustion train. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.