Results 101 to 110 of about 1,337,621 (234)
Concepts and techniques for ultrasonic evaluation of material mechanical properties [PDF]
Ultrasonic methods that can be used for material strength are reviewed. Emergency technology involving advanced ultrasonic techniques and associated measurements is described. It is shown that ultrasonic NDE is particularly useful in this area because it
Vary, A.
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Role of Contacts in Capacitance Measurements of Solar Cells [PDF]
The electronic properties of low cost, thin-film solar cells are complicated by the non-ideal nature of the semiconductor layers. Typically, the fundamental electronic properties of such materials are evaluated using current-voltage and capacitance ...
Davis, Justin R. +2 more
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Active particle materials with high capacity, safety, and abundance, such as Sn and Si‐based materials, and nickel‐rich layered materials like LiNixCoyMn1−x−yO2 (with x≥0.8) are viewed as promising candidates for the evolution of next‐generation ...
Xin Zhang +5 more
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Surface analysis of space telescope material specimens [PDF]
Qualitative and quantitative data on Space Telescope materials which were exposed to low Earth orbital atomic oxygen in a controlled experiment during the 41-G (STS-17) mission were obtained utilizing the experimental techniques of Rutherford ...
Daneshvar, K., Fromhold, A. T.
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Metal complexes not only play an essential role in various technologies and industries, but they are also serving with efficiencies in the fields of catalysis, medicine, dye, agrochemicals, polymers, and other important materials for human society.
Shailendra Yadav +3 more
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Preparation, analysis and release of simulated interplanetary grains into low Earth orbit [PDF]
Astronomical observations which reflect the optical and dynamical properties of interstellar and interplanetary grains are the primary means of identifying the shape, size, and the chemistry of extraterrestrial grain materials.
Kunkle, T. D. +2 more
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Spectroscopic investigation of defects in two-dimensional materials
Two-dimensional (2D) materials have been extensively studied in recent years due to their unique properties and great potential for applications. Different types of structural defects could present in 2D materials and have strong influence on their ...
Wu Zhangting, Ni Zhenhua
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The accelerated characterization of viscoelastic composite materials [PDF]
Necessary fundamentals relative to composite materials and viscoelasticity are reviewed. The accelerated characterization techniques of time temperature superposition and time temperature stress superposition are described.
Brinson, H. F. +2 more
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Scanning electron microscopy investigation of bio-polymer composites morphology [PDF]
The development of nano-composite materials puts higher demand on morphological analysis techniques. The bio-nano-composite material systems is among the most challenging nano-composite materials for morphology characterization due to its sensitivity to ...
Wan, Quan
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Analytical ultrasonics for evaluation of composite materials response. Part 2: Generation and detection [PDF]
To evaluate the response of composite materials, it is imperative that the input excitation as well as the observed output be well characterized. This characterization ideally should be in terms of displacements as a function of time with high spatial ...
Duke, J. C., Jr., Henneke, E. G., II
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