Xem 1-7 trên 7 kết quả Creep tests
  • Creep phenomena have so far been investigated only in terms of old- style technology. For a number of decades, the usual way of tackling similar problems was to apply simple and exact tests (e.g. tensile tests) to the very complex and impure materials used in industry and then to subject the results of these tests to a subtle mathematical analysis. As to the prospects of this way of proceeding, we need only to realize that a piece of iron is far more complicated a structure than, for example, a watch.

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  • Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài:" Viscoelastic behaviour of green wood across the grain. Part I. Thermally activated creep tests up to 120 °C"

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  • The constitutive law of plastic deformation expresses the effects of material behavior and properties for stress analysis in the design of manufacturing technology and product service behavior, for materials testing, and for the maintenance of structural and machine components. The book represents the state of the art, but the editors do not rule out other concepts of constitutive laws. There are many different facets of the same problem and as many answers; the right one is the one that gives the most practical solution, the one that best serves the specific problem....

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  • Tham khảo sách 'dynamic mechanical analysis', 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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  • CHAPTER 7 SOLID MATERIALS Joseph Datsko Professor Emeritus of Mechanical Engineering The University of Michigan Ann Arbor, Michigan 7.1 STRUCTURE OF SOLIDS / 7.1 7.2 ATOMIC BONDING FORCES / 7.2 7.3 ATOMIC STRUCTURES / 7.4 7.4 CRYSTAL IMPERFECTIONS / 7.11 7.5 SLIP IN CRYSTALLINE SOLIDS / 7.15 7.6 MECHANICAL STRENGTH / 7.17 7.7 MECHANICAL PROPERTIES AND TESTS / 7.20 7.8 HARDNESS / 7.21 7.9 THE TENSILE TEST / 7.25 7.10 TENSILE PROPERTIES / 7.32 7.11 STRENGTH, STRESS, AND STRAIN RELATIONS / 7.36 7.12 IMPACT STRENGTH / 7.42 7.13 CREEP STRENGTH / 7.43 7.14 MECHANICAL-PROPERTY DATA / 7.46 7.

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  • Diving for bodies was not one of Scott Markman’s favorite things. He gazed across the open water at the big orange ball creeping up over the forest horizon. A passing Florida breeze rippled the glassy lake-top and caused swirls within the fading layer of fog lingering at the water’s surface. Markman found himself wishing he were somewhere else. Kneeling awkwardly on the flexible, black bottom of the rubber boat, he wormed the new regulator mouthpiece back into his sore mouth and sucked test air from the fresh aluminum tank. With his left hand he wiggled the black wrap-around mask down...

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  • Ensure you understand the project vision and spend time documenting and determining the project objectives. Produce a project plan document that describes the test system deliverables. It is a good idea to document what is in scope as well as out of scope for absolute clarity. Verify the content of this document with the key stakeholder, spending time to walk them through it, and ask them to sign off on it. You should plan for some degree of scope creep in most projects; therefore, it is important to design a process to manage these changes. You can then implement a...

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