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Author: John R. Freeman Jr. Publisher: Forgotten Books ISBN: 9780331458862 Category : Technology & Engineering Languages : en Pages : 28
Book Description
Excerpt from Endurance Properties of Some Special Rail Steels For convenience, the figure showing location of test specimens is repeated. Here (fig. Duplicate contiguous (end to end) speci mens were taken giving a group of 12 specimens from each rail. They were taken from adjoining portions to those on which the hard ness tests were made. All test sections were taken from a location at least 1 foot from the end of the rail. 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.
Author: John R. Freeman Jr. Publisher: Forgotten Books ISBN: 9780331458862 Category : Technology & Engineering Languages : en Pages : 28
Book Description
Excerpt from Endurance Properties of Some Special Rail Steels For convenience, the figure showing location of test specimens is repeated. Here (fig. Duplicate contiguous (end to end) speci mens were taken giving a group of 12 specimens from each rail. They were taken from adjoining portions to those on which the hard ness tests were made. All test sections were taken from a location at least 1 foot from the end of the rail. 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.
Author: John R. Freeman Jr. Publisher: Forgotten Books ISBN: 9780364591437 Category : Technology & Engineering Languages : en Pages : 64
Book Description
Excerpt from Effect of Service on the Endurance Properties of Rail Steels Fatigue failures are due to the repeated stressing of the structure at stresses greater than the endurance limit of the material in that structure. The endurance limit may be defined as that minimum stress which, if repeatedly imposed, will cause cracks. To develop which will progress under repetition of that stress, causing ultimate failure. 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.
Author: John R. Freeman Publisher: Forgotten Books ISBN: 9780266859253 Category : Languages : en Pages : 102
Book Description
Excerpt from Endurance and Other Properties of Rail Steel: Part I. Endurance Properties of Rail Steel; Part II. Comparative Tests of Rail Steel Cast in Standard and Sink-Head Molds of the Gathmann Type In a report 1 of the Interstate Commerce Commission in 1917 it is stated: The continued use of rails without exact knowledge upon their resistance to repeated alternate stresses which constitutes their function in service and Without exact knowledge upon the magnitude of the track stresses which they daily receive present an engineering anomaly Which has extended far beyond the proper limits of time. 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.
Author: John R. Freeman Jr. Publisher: Forgotten Books ISBN: 9780266915256 Category : Technology & Engineering Languages : en Pages : 60
Book Description
Excerpt from Tensile Properties of Rail and Some Other Steels at Elevated Temperatures A photograph of a series of test bars after test is shown in Figure 4. The brittle nature of the, fracture is evident. This temperature range, from 600° to 7 00° C., in which this. Rail steel showed such surprisingly low ductility, has been termed the secondary brittle range and the phenomenon secondary brittle ness. It will be referred to as such throughout this report. 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.
Author: G. Willard Quick Publisher: Forgotten Books ISBN: 9781391982960 Category : Technology & Engineering Languages : en Pages : 28
Book Description
Excerpt from Tensile Properties of Rail Steels at Elevated Temperatures This paper reports the results of elevated-temperature tensile tests on specimens from these rails. The procedure of testing was the same as described 1n the previous paper. Table 1 gives the designa tion, the chemical composition, and source of the materials studied. 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.
Author: W. H. Swanger Publisher: Forgotten Books ISBN: 9781390425611 Category : Technology & Engineering Languages : en Pages : 26
Book Description
Excerpt from Effect of Zinc Coatings on the Endurance Properties of Steel The stresses applied to the acid pickled and the coated specimens were calculated on the diameter of the polished specimen before it was pickled or coated. The diameters were measured with a special micro meter capable of a precision of plus or minus inch. The change in diameter caused by either the acid treatment alone or the acid treatment and the application of the zinc coating was in all cases less than inch. The tensile strengths of the three materials were determined on standard inch diameter test bars, heat treated in the same way as the endurance specimens. Hardness determinations were made on the ends of the tensile and endurance test bars. 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.
Author: John R. Freeman Jr.
Author: John R. Freeman Jr.
Author: John Ripley Freeman
Author: John R. Freeman Jr.
Author: John R. Freeman
Author: United States. National Bureau of Standards
Author: John R. Freeman Jr.
Author: G. Willard Quick
Author: 
Author: John R. Freeman
Author: W. H. Swanger