Nondestructive Characterization of Materials: Proceedings of the 3rd International Symposium Saarbrücken, Frg, October 3-6, 1988

ISBN-13: 9783642840050 / Angielski / Miękka / 2011 / 892 str.

Paul Holler; Viktor Hauk; G. Dobmann

Opis

Organized by Deutsche Gesellschaft fur zerstorungsfreie Prufung e.V. (DGZfP), Berlin and Fraunhofer-Institut fur zerstorungsfreie Prufverfahren (IzfP), Saarbrucken

Spis treści

1. Research Programmes.- Presentation of the next BRITE-EURAM-Programme (1989–1992).- Materials Research-Programme of the Federal Ministry for Research and Technology (BMFT).- 2. Ceramics.- Properties, preparation and requirements to testing of ceramic materials.- Material characterization of ceramics by various nondestructive testing methods.- Requirements on nondestructive testing methods after machining of ceramics.- Ultrasonic nde of advanced ceramics.- Tomodensitometry with x- and gamma-rays.- Nondestructive density measurements in powder metallurgy and ceramics.- New developments for the ultrasonic characterization of materials.- 3. Composites.- Graphite-magnesium elastic constants: Composite and fiber.- Monitoring of anisotropic material elastic properties using ultrasonic receiving arrays.- Anisotropy measurements and indication of ply orientation in composite materials using holographic mapping of large amplitude acoustic waves.- Recognition of fracture modes and behaviour of composites by acoustic emission.- Determination of strength properties of injection moulded parts made from reinforced thermoplastics by acoustic emission.- Ultrasonic velocity measurements in porous materials.- Porosity characterization in thin composite plates by ultrasonic measurements.- X-ray diffraction scanning microscopy — a new method of nondestructive characterization of composites.- Nondestructive investigation of fibre reinforced composites by x-ray computed tomography.- Ultrasonic characterization of aluminium/epoxy composite materials.- Fibre and particle reinforced metal matrix composites: structure — production — properties.- Ultrasonic characterization of SiC-reinforced aluminum.- Ultrasonic propagation in metal-matrix-composites.- Thermomechanical behaviour of metal matrix composites.- 4. Polymers.- Correlation between manufacturing parameters and residual stresses of injection-molded polypropylene: an x-ray diffraction study.- Characterization of varnish layers using optically generated thermal waves.- Application of dielectric spectroscopy for nondestructive investigation of epoxy curing.- The investigation of mass transport through polyethylene with concentration waves.- 5. Texture.- Texture analysis — a method of non-destructive characterization of materials I.- Texture analysis — a method of non-destructive characterization of materials II.- Characterization of crystallographic texture in aluminum can stock by x-ray diffraction.- Non-destructive determination of materials parameters by neutron diffraction.- Computer aided optimization of an on-linetexture analyzer.- Characterization of rolling texture by ultrasonic dispersion measurement.- Nondestructive analysis of the deep-drawing behaviour of rolled sheets with ultrasonic techniques.- Lankford coefficient evaluation in steel sheets by an ultrasonic method.- Characterization of textures in plates by ultrasonic plate wave velocities.- 6. Microstructure, Stress State, Creep Damages.- Surveillance of material degradation by means of diffraction methods.- Grain-size measurements by spectral evaluation of line-scans in scanning acoustic microscopy.- Non-contact and nondestructive evaluation of grain-sizes in thin metal sheets.- The use of a contactless ultrasonic method for evaluating grain size in steel sheets.- Analysis of the effect of graphite morphology on the elastic properties of cast iron.- Effect of graphite aspect ratio on cast-iron elastic constants.- Ultrasonic determination of materials characteristics.- Real time cure monitoring and control of composite fabrication using nondestructive dynamic mechanical methods.- Characterization of the elastic behaviour of nanocrystalline materials by scanning acoustic microscopy.- Variation of the ultrasonic propagation velocity due to creep strain in austenitic steel.- Application of ultrasonic methods for the characterization of ZrO2 pellets.- Simultaneous residual stress and retained austenite measurement by x-ray diffraction.- Acoustic characteristics of porous materials in simple and complex state of stresses.- Crack inspection of railroad wheel treads by EMATs.- Computer aided threedimensional deformation analysis using holographic interferometry.- Practical application of ultrasonic stress analysis on thin walled components.- Stress field in a cold-rolled nickel plate deduced from diffraction experiments performed with synchrotron radiation at varied penetration depths.- A hybrid computer for phase images visualization and correlation based recognition.- Three dimensional surface representations of linear-elastic anisotropy in cubic single crystals.- Determination of shot peened surface states using the magnetic Barkhausen noise method.- Development of creep damages on heatresistant ferritic steel.- Nondestructive metallurgical investigations for the evaluation of turbines.- Early recognition of creep damages by means of nondestructive test methods.- 7. Electromagnetics.- The origin of nondestructive determination of characteristic material parameters using electromagnetic methods.- Progress in the micromagnetic multiparameter microstructure and stress analysis (3MA).- Detection of stress in steels from differential magnetic susceptibility.- Nondestructive characterization of austempered ductile irons.- Theory of eddy current characterization of magnetic conductors.- Nondestructive approach to characterizing the strength and structure of cast iron.- Nondestructive measurement of mechanical properties of steel plates.- Simultaneous electromagnetic determination of various material characteristics.- Nondestructive testing of forged components using CS-pulsed eddy-current technique.- Applications of capacitive array sensors to nondestructive evaluation.- Modelling of the electromagnetic field diffracted by an inhomogeneity in metal: A first step in magnetic imaging.- Comparative micromagnetic and Mössbauer spectroscopic depth profile analysis of laserhardened steel X210Cr12.- Characterization of cementite in steel and white cast iron by micromagnetic nondestructive methods.- In-situ ferrite content measurement of duplex steel structures in the chemical industry. Practical applications of the alternating field, magnetoinductive method.- Changes in magnetic and mechanical properties and microstructure during annealing of the stainless soft martensitic steel X 5 CrNi 13 4 (1. 4313).- Magnetic tangential field-strength-inspection, a further ndt-tool for 3MA.- A modulus for the evaluations of the dynamic magnetostriction as a measured quantity of the 3MA method.- 8. Nuclear Magnetic Resonance (NMR).- A review of nondestructive characterization of composites using NMR.- Tissue characterization by NMR in medical diagnostics (published by Springer Verlag in Proc. of the Int. Symp. CAR 87(1987), p. 402–407).- 9. Instruments and Systems Process Control.- Instrument for the automated ultrasonic time-of-flight measurement — a tool for materials characterization.- EMUS-systems for stress and texture evaluation by ultrasound.- Fiber-optic based heterodyne interferometer for noncontact ultrasonic determination of acoustic velocity and attenuation in materials.- The 3MA-testing equipment, application possibilities and experiences.- Small neutron radiography systems and their applications.- Multiparameter magnetic inspection system for nde of ferromagnetic materials.- Development of new quantitative SLAM techniques for material evaluation.- Nondestructive characterization of material properties by an automated ultrasonic technique.- Industrial application of on-line texture measurement.- On-line measuring of technological data of cold and hot rolled steel strips by a fixed angle texture-analyzer.- Ultrasonic measurements of surface roughness.- Characterization of industrially important materials using x-ray diffraction imaging methods.- Ultrasonic characterization of cold welds.- Ultrasonic monitoring of the molten zone during float zone refining of single crystal germanium.- 10. Optical and Thermal Properties, Special Techniques.- Optical parameter effects on laser generated ultrasound for microstructure characterization.- Determination of the thermal properties of thin layers by a photothermal technique.- Laser speckle photography for the measurement of changes in refractive index in phase media.- Testing of coatings by means of acoustic emission.- Nondestructive characterization of mixed oxide pellets in welded nuclear fuel pins by neutron radiography and gamma-autoradiography.- Nondestructive characterization of a deformed steel using positron annihilation.- Ambulante elektrochemische Charakterisierung metallischer und metalloider Festkörperoberflächen.- Noncontact ultrasonic sensing of weld pools for automated welding.- Accurate determination of the focal spot size of a microfocus x-ray tube.- Characterization of ultrasonic probes with physical and parametric methods.- Mirage effect and optical reflectance: New improvements in nondestructive evaluation.- Closing Comments.