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Rupture strengths, in graphical form, are presented for selected superalloys at 100 hours and 1000 hours, and for selected refractory metal alloys at 10 hours and 100 hours. Nominal chemical compositions are tabulated for all of the alloys covered. (Author).
Materials covered include carbon, alloy and stainless steels; alloy cast irons; high-alloy cast steels; superalloys; titanium and titanium alloys; refractory metals and alloys; nickel-chromium and nickel-thoria alloys; structural intermetallics; structural ceramics, cermets, and cemented carbides; and carbon-composites.
Reflecting the rapid advances in new materials development, this work offers up-to-date information on the properties and applications of various classes of metals, polymers, ceramics and composites. It aims to simplify the materials selection process and show how to lower materials and manufacturing costs, drawing on such sources as vendor supplied and quality control test data.
A research program aimed toward the development of a wrought nickel-base sheet alloy with a high strength-to-weight advantage up to 1400 degree F is described. The target properties were 1000 hour stress rupture strength to density ratio of 250,000 inches and 150,000 psi .2% yield strength, both at 1400 degree F. Laboratory heats were melted, processed to sheet, and tested. Several alloys exhibited yield strengths in excess of 180,000 psi at 1400 degree F with rupture strengths better than current high yield strength sheet alloys. None of the alloys, however, had the desired ductilities and stress rupture lives. The alloys selected for further evaluation were based on a statistical analysis of the chemical composition and mechanical property data generated on the previous heats. By exploitation several alloys were identified that combined exceedingly high yield strength with ductility. The best alloys had an extrapolated 1400 degree F/1000 hour rupture strength of 67,000 psi, which is about 10,000 psi over the best commercially available wrought alloy, U-700.
Erstmals in einem Band werden Werkstoffe hier (in zwei getrennten Systemen) sowohl nach ihrer technischen Anwendung als auch nach ihren Eigenschaften geordnet. - Benutzer können deshalb zunächst nach der Gruppe von Materialen suchen, die für eine spezielle Anwendung geeignet sind, und anschließend Details über jedes einzelne Material finden - Suchkriterien sind Eigenschaften wie Wärmeleitfähigkeit, optisches Reflexionsvermögen, Elastizität usw. und Anwendungsgebiete wie Bauwesen, Biomedizin, Fahrzeugbau, Luftfahrttechnik, Elektrotechnik usw. - berücksichtigt werden sowohl herkömmliche Werkstoffe (Eisen- und Nichteisenmetalle, Kunststoffe, Klebstoffe) als auch Kompositwerkstoffe und synthetische Materialen wie Laminate, Fasern und Keramiken
It is the objective of this book to describe the potential usefulness of parametric analyses in analyzing and extrapolating the properties of aluminum alloys at high temperatures. It is also the intent to illustrate the use of such methods by presenting a broad spectrum of high-temperature creep data for aluminum alloys generated from a single source and developed using consistent testing procedures and practices.