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Author : Gordon A. Bruggeman
Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Effect of Plastic Strain Rate on Diffusion in Aluminum-zinc Alloys written by Gordon A. Bruggeman and published by . This book was released on 1960 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gordon A. Bruggeman
Publisher :
ISBN 13 :
Total Pages : 45 pages
Book Rating : 4.:/5 (148 download)
Download or read book The Effect of Plastic Strain Rate on Diffusion in Aluminum-zinc Alloys written by Gordon A. Bruggeman and published by . This book was released on 1960 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of compressive strain-rate on interdiffusion and zinc self-diffusion in aluminum-zinc alloys has been investigated. At a strain rate of 0.0002/sec, the interdiffusion coefficient is increased by factors of 20, 13, and 8 at 375, 415, and 450C respectively. At comparable strain rates, little enhancement of self-diffusion is detected. Quasi-hydrostatic pressure causes the interdiffusion coefficient to decrease much more than predicted theoretically. Factors are suggested which could account for the results, but existing uncertainties preclude a precise interpretation. (Author).
Author :
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ISBN 13 :
Total Pages : 154 pages
Book Rating : 4.3/5 (91 download)
Download or read book U.S. Government Research Reports written by and published by . This book was released on 1960 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nikolaĭ Nikolaevich Buĭnov
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.3/5 (91 download)
Download or read book Effect of Plastic Deformation on Subsequent Decomposition in Aluminum Alloys Al-Si and Al-Mg-Si written by Nikolaĭ Nikolaevich Buĭnov and published by . This book was released on 1953 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of plastic deformation on subsequent decomposition in the alloys Al-Si (1.2 percent Si) and Al-Mg-Si (1.4 percent Mg2Si) was studied with an electron microscope. These alloys were chosen because the first is easily quenched and does not age at room temperature and because in the second no decomposition after quenching and natural aging is detected with the electron microscope (although the properties change). These alloys were chosen also because they could be studied by the oxide-film method. This method was used to study the surface of the samples, which was etched before deformation and aging. It is then possible to observe simultaneously, on the electron photographs, precipitation, the block structure, and those alterations (slip lines, bending of blocks, cracks, etc.) in the submicroscopic structure of the alloys which are caused by deformation.
Author : Nikolaĭ Nikolaevich Buĭnov
Publisher :
ISBN 13 :
Total Pages : 4 pages
Book Rating : 4.3/5 (91 download)
Download or read book Effect of Plastic Deformation on Subsequent Decomposition in Aluminum Alloys written by Nikolaĭ Nikolaevich Buĭnov and published by . This book was released on 1953 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Co-deformation of an Aluminum Zinc Alloy written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In some systems, including copper niobium, it has been found that as the scale of the two phases decreases, there is an anomalous increase in strength. Mechanisms of this strengthening have been postulated, but a general theory has yet to be developed. A model system to study the co-deformation of fine scale materials was developed and characterized. An aluminum 18.5at.% zinc alloy was selected and discontinuously precipitated to produce 100% transformation and an interlamellar spacing of 240nm. The material was tested using strain rate jump tests to determine the temperature sensitivity, tensile tested to determine work hardening and the temperature sensitivity, wire drawn to study the effect of large plastic deformation and finally tension compression tested to determine internal stresses. The bulk properties of the two phases are well known allowing for a detailed analysis of the composite properties when combined with the mechanical results. The material showed increased strength above the rule of mixture prediction from bulk properties due to a fine scale microstructure . Although the lamellar material had a much higher strength than the rule of mixtures would predict, the overall strength of the alloy did not approach that of more conventional high strength aluminum alloys. The material was found to be temperature and rate dependent, with an increased work hardening rate as the temperature was decreased. Temperature was found to play a key role in the stress partitioning between the two phases. Temperature dependent relaxation processes lowered the stress partitioning between the hard and soft phases as the temperature was increased. Therefore, stress relaxation must be minimized to maximize the strengthening found in fine scale materials.
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ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (3 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1990 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 784 pages
Book Rating : 4.:/5 (334 download)
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1969-10 with total page 784 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1130 pages
Book Rating : 4.:/5 (6 download)
Download or read book Abstracts of Theses Accepted in Partial Fulfillment of the Requirements for the Doctor's Degree in ... written by and published by . This book was released on 1962 with total page 1130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Massachusetts Institute of Technology
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ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.0/5 ( download)
Download or read book Abstracts of Theses Accepted in Partial Fulfillment of the Requirements for the Doctor's Degree written by Massachusetts Institute of Technology and published by . This book was released on 1962 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frank G. Arcella
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (331 download)
Download or read book The Effect of Plastic Strain During the Diffusion of Cobalt in Aluminum written by Frank G. Arcella and published by . This book was released on 1962 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Carlos D. Rincon
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 (395 download)
Download or read book Microstructural and Strain Rate Effects on Plastic Deformation in Aluminum Alloy 2219-T87 written by Carlos D. Rincon and published by . This book was released on 1998 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : David Lee Dollar
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (89 download)
Download or read book The Effect of Ternary Additions on the Superplastic Zn-22A1 Alloy written by David Lee Dollar and published by . This book was released on 1970 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 612 pages
Book Rating : 4.E/5 ( download)
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1976 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 828 pages
Book Rating : 4.E/5 ( download)
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : N. Eswara Prasad
Publisher : Springer
ISBN 13 : 9811021430
Total Pages : 568 pages
Book Rating : 4.8/5 (11 download)
Download or read book Aerospace Materials and Material Technologies written by N. Eswara Prasad and published by Springer. This book was released on 2016-11-07 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book serves as a comprehensive resource on various traditional, advanced and futuristic material technologies for aerospace applications encompassing nearly 20 major areas. Each of the chapters addresses scientific principles behind processing and production, production details, equipment and facilities for industrial production, and finally aerospace application areas of these material technologies. The chapters are authored by pioneers of industrial aerospace material technologies. This book has a well-planned layout in 4 parts. The first part deals with primary metal and material processing, including nano manufacturing. The second part deals with materials characterization and testing methodologies and technologies. The third part addresses structural design. Finally, several advanced material technologies are covered in the fourth part. Some key advanced topics such as “Structural Design by ASIP”, “Damage Mechanics-Based Life Prediction and Extension” and “Principles of Structural Health Monitoring” are dealt with at equal length as the traditional aerospace materials technology topics. This book will be useful to students, researchers and professionals working in the domain of aerospace materials.
Author : United States. National Aeronautics and Space Administration
Publisher :
ISBN 13 :
Total Pages : 1556 pages
Book Rating : 4.:/5 (319 download)
Download or read book Technical Publications Announcements with Indexes written by United States. National Aeronautics and Space Administration and published by . This book was released on 1962 with total page 1556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
