Abstract
In rolled strip material, the orientation of the crystallites, known as texture, is influenced by various kinds of thermo-mechanical processes, such as casting, plastic deformation, annealing and phase transformation. The modern industry production requires stable product performance, real-time monitoring and full controlling of the quality. The online texture measurement in metal rolling can be used to real-time monitor the whole process, and then feedback control to the production process can be implied to adjust the process parameters to ensure the stability of the products. The principles, advantages and disadvantages of related detection methods (2D X-ray diffraction, neutron diffraction, laser-ultrasonics and electromagnetic acoustic transducers (EMAT)) and the possibility of online measurement are discussed. Finally, 2D X-ray diffraction and laser-ultrasonics are employed on online texture measurement, and the schemes of online texture measurement are proposed.
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Foundation item: the National Natural Science Foundation of China (No. 51204018), National Key Technology R&D Program of China (Nos. 2011BAE23B00 and 2012BAF04B02), the Research Fund for the Doctoral Program of Higher Education of China (No. 20110006110027), the Fundamental Research Funds for the Central Universities (No. FRF-TP-12-167A)
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He, F., Yin, Am. & Yang, Q. Research on online texture measurements in metal rolling field. J. Shanghai Jiaotong Univ. (Sci.) 17, 690–696 (2012). https://doi.org/10.1007/s12204-012-1347-0
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DOI: https://doi.org/10.1007/s12204-012-1347-0
Key words
- texture measurement
- 2D X-ray diffraction
- laser-ultrasonics
- electromagnetic acoustic transducers
- neutron diffraction