100 Result(s)
within
Materials Science
Characterization and Evaluation of Materials
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Chapter
Discussion Following Session 3: Papers 5 – 8
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Chapter
Erratum
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Chapter
Erratum to: Magnetic Aerogels
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Chapter and Conference Paper
Non-Destructive Prediction of Material Properties of Steel and Al-Alloys — State and Challenge
The challenge for future nondestructive techniques is characterized by the two major demands of the users of ND techniques. One is the detectability of defects getting smaller and smaller, is the earlier detec...
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Chapter and Conference Paper
Thermographic Signal Reconstruction for Enhanced Characterization of Materials
Common approaches to analysis and enhancement are based on either contrast methods, which require identification or synthesis of a defect free reference region in the field of view, or gated average or slope c...
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Chapter and Conference Paper
Characterization of Plastically Deformed Steel Utilizing EMAT Ultrasonic Velocity Measurements
There is a desire to characterize plastically deformed regions in structures to monitor their integrity. Of particular importance is the accurate prediction of the lifetime of damaged pipelines due to outside ...
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Chapter and Conference Paper
Non-Contact and Non-Destructive Strain Measurement in Composites
Our research is aimed at develo** a method for a non-contact and non-destructive evaluation of polymeric fiber-reinforced composites via the measurement of strain. The method is based on Qudrupole Resonance ...
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Chapter and Conference Paper
The Use of X-ray Computed Tomography in Quantifying Air Voids in Asphalt Compacted Specimens
This study describes experimental and analytical methods to quantify the internal structure of air voids in asphalt mixes. An x-ray computed tomography system along with image analysis techniques were used to ...
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Chapter and Conference Paper
Ultrasonic Attenuation and Backscattering in Duplex Alloys for Materials Characterization
It is well known that the microstructure can affect a propagating ultrasonic beam. For example, the sound velocity is significantly affected by crystallographic texture. In addition, during flaw detection, the...
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Chapter and Conference Paper
Acoustic Imaging for Materials Characterization
Ultrasonic scanning and array imaging of the subsurface materials features is commonly used for nondestructive evaluation (NDE) and nondestructive materials characterization (NDC). Formation and interpretation...
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Chapter and Conference Paper
Evaluation of Stresses in Components using Ultrasonic and Electromagnetic Techniques
Complementary to the established techniques to evaluate stress states, electromagnetic and ultrasonic techniques permit the evaluation of stresses in surface layers and in the bulk of components, respectively....
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Chapter and Conference Paper
Survey on NDE of Non-Metallics
Non-metallic materials are of technological interest because of their low production costs and resistance against corrosion or their specific strength exceeding often metal properties. This makes them attracti...
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Chapter and Conference Paper
Qualitative New Mechanical Properties of Microstructured Metallic Systems
Different micro-systems have been developed which only have in common that they are fabricated by processes known from semiconductor technology. The knowledge of used materials that has been gathered in mechan...
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Chapter and Conference Paper
Development in Thermosonic NDE Technique
A NDE technique, thermosonics, has been developed at Wayne State University 1,2,3 This technique employs a single, short pulse of sound/ultrasound to cause defects such as cracks to heat up and become visible ...
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Chapter and Conference Paper
Analysis of Crack Distribution and Propagation in Concrete Using X-ray Computed Tomography
Industrial X-ray computed tomography has been applied to make time-resolved measurement of the initiation and growth of cracks within concrete specimens in order to characterize damage associated with delayed ...
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Chapter and Conference Paper
Combined Bi-Static Near-Field Microwave and Modulated Scattering Techniques for Detection of Embedded Targets
Near-field microwave nondestructive testing techniques, using open-ended waveguide probes, have been extensively used for inspection of a wide variety of structures and composites. Modulated scattering techniq...
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Chapter
Ion-Generated Damage
It has to be expected that both ions and electrons will damage specimens under examination to a greater or lesser degree. Electrons are low in mass but can travel at velocities which are a significant fraction...
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Chapter
Patterning and Nanofabrication
As seen above, ion beams can rapidly remove material from a specimen placed in the HIM. Depending on the proposed application, this could then be considered either as damage—and so be undesirable—or as a uniqu...
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Chapter
Summary
This overview summarized the present status of the research of porous materials with directionally elongated pores. In comparison with the conventional porous and foamed materials with isotropically almost sph...
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Chapter
Summary
The present non-isothermal kinetic analysis method successfully identifies the mechanism of the solid state process. The activation energy can be calculated more accurately from the kinetic data. The apriori k...
