Results 271 to 280 of about 45,289 (325)

Correction for beam hardening in computed tomography

Medical Physics, 1978
Corrections for beam-hardening artifacts in computed tomography can be made by using a model which assumes that water and bone mineral are the only constituents of tissue. With this model, a correction factor for the measured transmission values can be calculated such that the reconstructed attenuation coefficients have values corresponding to a ...
P K, Kijewski, B E, Bjärngard
openaire   +3 more sources

Computer simulation of induction hardening

Journal of Materials Processing Technology, 2004
The computer simulation of electromagnetic, thermodynamic and microstructural transformations in treated work-piece is usually recommended for the exact definition of working parameters in process planning of the induction hardening processes. A special simulation program has been developed for the axially symmetric work-pieces.
Cajner, Franjo   +2 more
openaire   +2 more sources

Computer thermal model for hardening grinding

Journal of Engineering Physics and Thermophysics, 2000
A mathematical model of heat transfer in steel parts under force grinding is considered that allows one to determine the grinding parameters at which a steel layer of prescribed thickness is heated up to hardening temperatures. Results of numerical simulation of the process of hardening grinding are compared with experimental data.
V. D. Efremov   +2 more
openaire   +1 more source

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