Oxidation Characteristics of Ti-14Al-21Nb Alloy PDF Download
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Author: Sankara Narayan Sankaran
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 30
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Book Description
Author: Sankara Narayan Sankaran
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 30
Get Book Here
Book Description
Author: Sankara Narayan Sankaran
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 28
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Book Description
Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722469313
Category :
Languages : en
Pages : 26
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Book Description
Static oxidation kinetics of Ti14Al21Nb (wt pct) ingot alloy were studied in air over the temperature interval of 649 to 1093 C in a thermogravimetric apparatus. The oxidation products were characterized by x ray diffraction, electron microprobe analysis, energy dispersive x ray analysis, and Auger electron spectroscopy. Cross-sections of the oxidized samples were also examined using light and scanning electron microscopy. The oxidation rate was substantially lower than the conventional alloys of titanium, but the kinetics displayed a complex behavior involving two or more oxidation rates depending on the temperature and duration of exposure. The primary oxide formed was TiO2, but this oxide was doped with Nb. Small amounts of Al2O3 and TiN were also present in the scale. Diffusion of oxygen into the alloy was observed and the diffusivity seemed to be dependent on the microstructure of the metal. A model was presented to explain the oxidation behavior of the alloy in terms of the reduction in the oxygen diffusivity in the oxide caused by the modification of the defect structure of TiO2 by Nb ions. Sankaran, Sankara N. and Clark, Ronald K. and Unnam, Jalaiah and Wiedemann, Karl E. Langley Research Center RTOP 505-43-71-01...
Author:
Publisher:
ISBN:
Category : Oxidation
Languages : en
Pages : 24
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Author: United States. National Aeronautics and Space Administration
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 24
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 20
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 178
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Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 556
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Author: Mel Schwartz
Publisher: CRC Press
ISBN: 9781566763141
Category : Technology & Engineering
Languages : en
Pages : 304
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From the Author's Preface The rapid advances in Materials Science and Engineering . . . have convinced many that the design, production and use of advanced materials will shape future manufacturing industries. Competitive advantage within entire industries is shaped by the quality of the materials available to the manufacturers; the early availability of a new material can be leveraged manyfold. In addition, advanced materials or advanced materials processing can signal the birth or death of entire industries, and access to higher quality and lower cost material has permitted some countries to obtain market dominance in several key industries. Much of the new strategy entails harnessing the potential of innovative technology, that is, going back to the nano and molecular states of materials and new, effective ways to create, process, and eventually use them. Rather than being concerned with a relatively small number of generic materials, each possessing a broad range of uses, the materials sector is increasingly concerned with tailoring a growing list of ever more specialized materials for narrow niche applications. New products with better growth prospects such as high-performance alloys, composites, laminates, and a variety of coatings have been emphasized. Materials firms also have sought ways to overcome the weaknesses of ceramics and fully exploit their formidable strengths. "Functional materials" that do more than support structures have been developed for use in sophisticated electronic, optical, magnetic, and biotech applications. This book will . . . show what materials will be available in the next decade or two, in addition to those currently available and their effect on material design, start-up, and production processes.
Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 180
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