منابع مشابه
Vibration Damping of High-Chromium Ferromagnetic Steel
The aim of the present work is to study the effect of annealing on the vibration damping capacity of high-chromium (16%) ferromagnetic steel. The alloys were prepared from raw materials of 99.9% purity melted in a high frequency induction furnace under high vacuum. The samples were heat-treated in vacuum at various temperatures (800 to 1200oC) for 1 hour followed by slow cooling (120oC/h). The ...
متن کاملHigh Damping Composite Materials: Effect of Structural Hierarchy
A combination of stiffness and loss (the product Etan ) is desirable in damping layer and structural damping applications. Composite materials of structure which gives rise to Reuss or Hashin–Shtrikman lower bound behavior can give rise to such properties. Hierarchical particulate morphologies attain the Hashin– Shtrikman curve. We show that hierarchical composites give rise to complex Poisson’...
متن کاملThe Study of Deep Drawing of Brass-steel Laminated Sheet Composite Using Taguchi Method
Deep drawing process is one of the most applicable methods in producing industrial parts. In this process, the initial blank deforms to final product using a rigid punch and die. In this investigation, the effect of deep drawing process parameters of brass/steel laminated sheet composites on required forming force has been investigated. The process simulated using finite element method (FEM) an...
متن کاملNSF Composite Sheet Forming Workshop.PDF
Background The breakthrough of advanced composite materials in various applications has occurred to a smaller extent than might have been expected previously, mainly due to the high integral costs of composite products: a high cost of manufacturing added to the already expensive raw material. There is a clear need for improved costeffectiveness. The key issues are considered to be: cheaper prod...
متن کاملExperimental study of strain fields during shearing of medium and high strength steel sheet
Background: There is a shortage of experimentally determined strains during sheet metal shearing. These kinds of data are a requisite to validate shearing models and to simulate the shearing process. Methods: In this work, strain fields were continuously measured during shearing of a medium and a high strength steel sheet, using digital image correlation. Preliminary studies based on finite ele...
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ژورنال
عنوان ژورنال: Bulletin of the Japan Institute of Metals
سال: 1979
ISSN: 0021-4426,1884-5835
DOI: 10.2320/materia1962.18.212