Results 81 to 90 of about 28,309 (205)
Ultrasonic measurement of stress in 2219-T87 aluminum plate [PDF]
The basic relationship of ultrasonic signal velocity to directional subsurface stress is reviewed. Inappropriateness of dependency on a single correlative value of constant for a three dimensional stress field in metallic materials is discussed ...
Clotfelter, W. N., Risch, E. R.
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Study on Surface Integrity and Fatigue Properties of TC4 Titanium Alloy by Surface Ultrasonic Rolling. [PDF]
Materials (Basel), 2023 Zhu X, Liu P, Zhang C, Liang H, Hua J.
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Review and critical analysis: Rolling-element bearings for system life and reliability [PDF]
A ball and cylindrical roller bearing technical specification which incorporates the latest state-of-the-art advancements was prepared for the purpose of improving bearing reliability in U.S. Army aircraft. The current U.S.
Anderson, W. J. +2 more
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, 1980 Requirements for the space fabrication of large space structures are considered with emphasis on the design, development, manufacture, and testing of a machine which automatically produces a basic building block aluminum beam.
Muench, W. K.
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LubricantsTo enhance the abrasion resistance of TC4 titanium alloy and meet the demand for wear-resistant and corrosion-resistant friction pair materials for water-hydraulic components of marine equipment, the tribological properties of the material subsequent to ...
Shuaihui Wang +6 more
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Space fabrication demonstration system: Executive summary [PDF]
The results of analysis and tests conducted to define the basic 1-m beam configuration required, and the design, development, fabrication, and verification tests of the machine required to automatically produce these beams are ...
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Rolling of FRP thread with ultrasonic vibration. Fundamental experiment.
Journal of the Japan Society for Precision Engineering, 1988 Fiber reinforced plastics (FRP) has been increasingly applied in every field of camera, aerospace and vehicle industries and so on because of its light weight, chemical and corrosion resistance, electrical insulation and its high mechanical properties after all.
Kazuo MARUYAMA +2 more
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Inference of stress and texture from angular dependence of ultrasonic plate mode velocities [PDF]
The theory for the angular dependence of the ultrasonic wave velocity in a symmetry plane of an orthorhombic, stressed material is presented. The two waves having polarizations in this plane are shown to have velocities which can be estimated from ...
Lee, S. S. +2 more
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Methods and apparatus employing vibratory energy for wrenching Patent [PDF]
, 1970 Ultrasonic wrench for applying vibratory energy to mechanical ...
Blaise, H. T. +2 more
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Ultrasonic Monitoring of Textures in Cold-Rolled Copper Sheets
, 1990 The formation of deformation texture is an important material characteristic which influences the behavior of a material. A textured material usually exhibits certain levels of anisotropy which may or may not be desirable from a practical point of view.
Yu, C. J. +3 more
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