Ductile Brittle Transition In The Refractory Metals
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Ductile Brittle Transition In The Refractory Metals
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Author : F. R. Schwartzberg
language : en
Publisher:
Release Date : 1959
Ductile Brittle Transition In The Refractory Metals written by F. R. Schwartzberg and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Brittleness categories.
The Effects Of Solutes On The Ductile To Brittle Transition Of Refractory Metals
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Author : George T. Hahn
language : en
Publisher:
Release Date : 1962
The Effects Of Solutes On The Ductile To Brittle Transition Of Refractory Metals written by George T. Hahn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Heat resistant alloys categories.
There appear to be two ways in which interstitials promote brittle behavior in Groups V-A and VI-A refractory metals: (1) By locating at the grain boundaries in the form of segregates of precipitates, promoting grain-boundary rupture and crack initiation; and (2) In solid solution by inhibiting dislocation movement and reducing the resistance to crack propagation. Both embrittling effects operate in Group VI-A metals; whereas, only the latter is significant in the Group V-A at the levels of purity currently achieved. The problem of reducing the low-temperature brittleness of Group V-A metals is readily solved through the purity route. Purification of Group V-A metals to interstitial levels well below the solubility limits may be readily accomplished either in the initial purification of the base metal or during melting or consolidation. There are three possible routes to solving the problem of the embrittling effect of interstitials on the Group VI-A metals: (1) the purity route, (2) through working, and (3) through alloying (thermodynamically through strong scavengers, by additions which modify the electron bonding, and via grain-refining dispersions). (Author).
Properties Of Refractory Metals
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Author : Walter D. Wilkinson
language : en
Publisher:
Release Date : 1969
Properties Of Refractory Metals written by Walter D. Wilkinson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Heat resistant alloys categories.
Investigation Of The Relationship Of Twinning To Brittle Fracture Of Refractory Metals
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Author : C. N. Reid
language : en
Publisher:
Release Date : 1963
Investigation Of The Relationship Of Twinning To Brittle Fracture Of Refractory Metals written by C. N. Reid and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Brittleness categories.
The first year's work on this program is reported. It is concluded that there is good evidence for brittle fracture induced by mechanical twinning in single crystals and polycrystalline Mo-C with grain sizes larger than 0.40 mm. However there is no evidence for such failures in Mo-C of grain size smaller than 0.25 mm, or in high-purity Cb. The effect of recrystallization texture on twinning is demonstrated, and the orientation dependence of twinning in Cb crystals is reported; a most unusual plastic instability is described in crystals of one orientation. It is shown that twinning in Mo-35Re occurs in bursts, which form in less than 2 mu sec; nucleation of twins occurs only at small strains but lateral growth takes place up to at least 12% strain.
A Brief Review Of Refractory Metals
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Author : Robert Isaac Jaffee
language : en
Publisher:
Release Date : 1959
A Brief Review Of Refractory Metals written by Robert Isaac Jaffee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1959 with Heat resistant alloys categories.
Refractory Metals And Alloys Ii
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Author : M. Semchyshen
language : en
Publisher:
Release Date : 1963
Refractory Metals And Alloys Ii written by M. Semchyshen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1963 with Heat resistant alloys categories.
Physical Metallurgy Of Refractory Metals And Alloys
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Author : E. M. Savitskii
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Physical Metallurgy Of Refractory Metals And Alloys written by E. M. Savitskii and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
The principal reasons which induced the authors to write this book and the features of the book are set forth in the preface to the Russian edition. That section of the science of metals which in Russian is called "metallovedenie" or the "physical chemistry of metals" is generally referred to in scientific and technical literature published in the English language by the term "physical metallurgy." These concepts are much broader than the term" metallography," used in the scientific and technical literature of various countries, and applied solely to research on the interrelationships of the structure and proper ties of metals and alloys. Each science must have its own subject and its own method of research. Certainly, all specialists will agree that metals and alloys, including their solid solutions, mechanical mix tures, and metallic compounds, form the subject of "physical metallurgy" or "physical chemis try of metals." The aim of this science. is to produce a theory and to elucidate the experimental relationships which ought finally to make it possible to calculate quantitatively alloys Of given properties for any working conditions and parameters.
Effect Of Reactor Irradiation On Ductile Brittle Transition And Stress Strain Behavior Of Tungsten
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Author : Charles L. Younger
language : en
Publisher:
Release Date : 1970
Effect Of Reactor Irradiation On Ductile Brittle Transition And Stress Strain Behavior Of Tungsten written by Charles L. Younger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Nuclear reactors categories.
Behavior And Properties Of Refractory Metals
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Author : Thomas Edwin Tietz
language : en
Publisher:
Release Date : 1965
Behavior And Properties Of Refractory Metals written by Thomas Edwin Tietz and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Technology & Engineering categories.
A Decade Of Progress In Refractory Metals
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Author : G. Mervin Ault
language : en
Publisher:
Release Date : 1966
A Decade Of Progress In Refractory Metals written by G. Mervin Ault and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Heat resistant alloys categories.