Structural Damage in Thermally Cycled Reńe 41 and Astroloy Sheet Materials PDF Download
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Author: D. P. Moon
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 34
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Book Description
Author: D. P. Moon
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 34
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Book Description
Author: M. F. Amateau
Publisher:
ISBN:
Category : Alkali metals
Languages : en
Pages : 68
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Book Description
Corrosion of containment materials is the most serious problem in liquid-metal systems. Most high-temperature engineering metals such as refractory metals, nickel-base and cobalt-base superalloys, and the austenitic and ferritic stainless steels are sufficiently resistant to liquid sodium and NaK to be useful up to about 1600 F. The most important factor in the corrosion of these materials under given conditions of temperature and flow rate is the oxygen content of the sodium. No material is truly corrosion resistant to lithium, although the refractory metals tantalum, columbium, and molybdenum do have some potential for high-temperature service in engineering applications. Zirconium and pure iron may also find some limited use in lithium, especially in lower temperature, twocomponent, static systems. The cobalt- and nickel-base alloys are unsuitable for high-temperature service in liquid lithium. The nitrogen content of the lithium is a particularly important factor. Potassium, rubidium, and cesium are somewhat less corrosive than the other alkali metals. The refractory metals and alloys are little affected by these liquid metals. The sliding and bearing properties of metals are generally affected adversely by the presence of pure molten metals. (Author).
Author: F. F. Schmidt
Publisher:
ISBN:
Category : Tungsten
Languages : en
Pages : 154
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Book Description
The results of a state-of-the-art survey covering tungsten and ten of its alloys are presented. All data are given in tabular and graphical form covering some of the more important physical, mechanical, and metallurgical properties for each material. References are given at the conclusion of each material section.
Author: F. F. Schmidt
Publisher:
ISBN:
Category : Niobium
Languages : en
Pages : 264
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Book Description
The results of a state-of-the-art survey covering niobium and 18 of its most promising alloys are presented. All data are given in tabular and graphical form covering some of the more important physical, mechanical, and metallurgical properties for each material. References are given at the conclusion of each material section.
Author: Charles W. Marschall
Publisher:
ISBN:
Category : Steel
Languages : en
Pages : 88
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Book Description
Author: Carol Alnoth Krier
Publisher:
ISBN:
Category : Heat resistant alloys
Languages : en
Pages : 248
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Book Description
Author: Alan R. Rosenfield
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 88
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Book Description
On June 21 a symposium was sponsored by the Bureau of Naval Weapons on the application of ultrasonic energy in the deformation of metals. At this session, a number of investigators actively working in the field reported informally on the results of their research. The reports revealed that the results achieved by incorporating ultrasonic transducers into conventional metalforming and-cutting operations are sufficiently promising that the technique merits further attention. Data are available to indicate that application of ultrasonic vibrations during metal working can increase speeds, lower forces, and improve surface finishes. All of these results have been obtained without any observed difference in properties between ultrasonically and conventionally fabricated parts. (Author).
Author: R. M. Evans
Publisher:
ISBN:
Category : Brazing alloys
Languages : en
Pages : 86
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Book Description
Author: J. W. Spretnak
Publisher:
ISBN:
Category : Metals
Languages : en
Pages : 70
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Author: W. A. Gibeaut
Publisher:
ISBN:
Category : Heat resistant alloys
Languages : en
Pages : 104
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Book Description
This report summarizes the information generated since the middle of 1961 on the chemical, physical, and mechanical properties of refractory metals that are coated with oxidation-resistant coatings of advanced-experimental or commercial status. It is a supplement to DMIC Report 162, Coatings for the Protection of Refractory Metals from Oxidation, dated November 24, 1961. Recent data on specific silicide- and aluminide- type coatings for columbium, molybdenum, tantalum, and tungsten and their alloys reflect general advances in coating quality and performance, understanding of the behavior of coated systems, and more complete realization of the problems associated with the use of coated hardware.
