Xem 1-20 trên 515 kết quả Materials properties
  • The data and information in this booklet have been collected for use in the Materials Courses in Part I of the Engineering Tripos (as well as in Part II, and the Manufacturing Engineering Tripos). Numerical data are presented in tabulated and graphical form, and a summary of useful formulae is included. A list of sources from which the data have been prepared is given below.

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  • The World is confronted with a plethora of potentially disruptive technologies – some, such as nanotechnology, will inevitably challenge our cherished social, economic and industrial stability over the next two decades. Rational design and manufacture of materials properties through nanostructure control will profoundly affect the food we eat, the sources of water and power we use, our health services, our national security, housing, transportation, etc. Precisely what will be the ultimate effect of these disruptions is still unclear.

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  • Tham khảo sách 'materials data book editioncambridge university engineering department', công nghệ thông tin, đồ họa - thiết kế - flash phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • The characteristic data, economic figures, general assessments and indications concerning all the properties are not guaranteed and cannot be used for calculations, computations or other operations to determine design, cost-effectiveness or profitability. Readers must verify the technical data and economic figures with their own suppliers of raw materials or parts, and other current technical and economic sources. Prototypes and tests under operating conditions are essential.

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  • Most plastic materials are used because they have desirable mechanical properties at an economical cost. For this reason, the mechanical properties may be considered the most important of all the physical and chemical properties of high polymers for most applications. Thus everyone working with such materials needs at least an elementary knowledge of their mechanical behavior and how this behavior can be modified by the numerous structural factors that can be varied in polymers.

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  • Innovation in engineering often means the clever use of a new material - new to a particular application, but not necessarily (although sometimes) new in the sense of ‘recently developed’. Plastic paper clips and ceramic turbine-blades both represent attempts to do better with polymers and ceramics what had previously been done well with metals. And engineering disasters are frequently caused by the misuse of materials.

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  • TRUMP BECAME a billionaire in real estate by making a series of incredibly creative and successful investments in New York City properties. He is now the largest real estate developer in New York and is widely acknowledged to be one of the most brilliant real estate investing minds anywhere. For example, in the early 1980s, with the building of Trump Tower on 5th Avenue, he singlehandedly created the market for high-end luxury residences in New York City.

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  • The Ramsar Convention defined the wise use of peatlands as “their sustainable use for the benefit of mankind in a way compatible with the maintenance of the natural properties of the ecosystem.” Land sustainability relates to definite periods and land uses.

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  • Tham khảo sách 'mechanical properties of engineered materials', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • These unique characteristics plus the functionalities from the materials themselves impart nanofibers with a number of novel properties for applications in areas as various as biomedical engineering, wound healing, drug delivery and release control, catalyst and enzyme carriers, filtration, environment protection, composite reinforcement, sensors, optics, energy harvest and storage, and many others. More and more emphasis has recently been placed on large-scale nanofiber production, the key technology to the wide usages of nanofibers in practice....

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  • Composite materials often demand a unique combination of properties, including high thermal and oxidative stability, toughness, solvent resistance and low dielectric constant. This book, "Thermoplastic - Composite Materials", is comprised of seven excellent chapters, written for all specialized scientists and engineers dealing with characterization, thermal, mechanical and technical properties, rheological, morphological and microstructure properties and processing design of composite materials.

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  • Encyclopedia of Materials Characterization is a comprehensive volume on analytical techniques used in materials science for the characterization of surfaces, interfaces and thin films. This flagship volume in the Materials Characterization Series is a unique, stand-alone reference for materials science practitioners, process engineers, students and anyone with a need to know about the capabilities available in materials analysis. An encyclopedia of 50 concise articles, this book will also be a practical companion to the forthcoming books in the Series.

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  • At the beginning of the 19th century the description of matter attained, what one would call today, a scientific basis. Dalton1 supported the atomic theory with experiments permitting the development of modern chemistry. The book “A New System of Chemical Philosophy,” describes this new approach. In Fig. 1.1, an excerpt is displayed. Chapters I and II give a summary of the contemporary understanding of nature by analyzing heat and mass, the two basic building-blocks of any material. Chapter I displays the theory of the caloric as it was generally...

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  • This book has been outlined as follows: fabrication techniques followed by an analysis on the physical properties of carbon nanotubes, including density of states and electronic structures. Ultimately, the book pursues a significant amount of work in the industry applications of carbon nanotubes. A list of the chapters is given below.

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  • Materials are important to mankind because of the benefits that can be derived from the manipulation of their properties, for example electrical conductivity, dielectric constant, magnetization, optical transmittance, strength and toughness. Materials science is a broad field and can be considered to be an interdisciplinary area. Included within it are the studies of the structure and properties of any material, the creation of new types of materials, and the manipulation of a material's properties to suit the needs of a specific application....

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  • A one-stop Desk Reference, for engineers involved in the use of engineered materials across engineering and electronics; this is a book that will not gather dust on the shelf. It brings together the essential professional reference content from leading international contributors in the field. Material ranges from basic to advanced topics including materials and process selection; and explanations of properties of metals, ceramics, plastics and composites

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  • Materials are evolving today faster than at any time in history. Industrial nations regard the development of new and improved materials as an “underpinning technology” – one which can stimulate innovation in all branches of engineering, making possible new designs for structures, appliances, engines, electrical and electronic devices, processing and energy conservation equipment, and much more.

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  • Technological advances in cases are included in the equipment around us every day, our life is safer, hand in hand with economic advantage and ecology. This book collects original research related to composite materials, their properties and tested from different perspectives. Programs are divided into five groups according to their main purpose: the material properties, natural resources, manufacturing, Experimental and model.

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  • With the exception of admixtures and fly ash, all moulds and materials are discussed in this chapter. None of the factors listed can be considered in isolation since variation in one will often affect another. Mix design for various forms of precast manufacture is dealt with in Chapter 6. The purpose of this chapter is to acquaint the reader with all the starting variables. The background picture will then be fully understood before one proceeds to put these variables into a process, in order to produce a precast concrete product....

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  • Investigation of the magnetic properties of materials is very important, because magnetic phenomena have various scientific and technical applications. The macroscopic properties of matter are a manifestation of the microscopic properties of the atoms of which it is composed. The magnetic properties of materials may be very different for types of material, depending on their nature and structure.

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