Texture Evolution and Dynamic Recrystallization of Zr-1Sn-0.3Nb-0.3Fe-0.1Cr Alloy During Hot Rolling |
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Authors: | Jian Xun Gaoyong Lin Huiqun Liu Siyu Zhao Jing Chen Xun Dai Ruiqian Zhang |
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Affiliation: | 1. School of Materials Science and Engineering, Central South University, Changsha, 410083, China2. Key Lab of Nonferrous Materials, Ministry of Education, Central South University, Changsha, 410083, China3. Science and Technology on Reactor Fuel and Materials Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China |
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Abstract: | In the present work,the sheets of Zr-1Sn-0.3Nb-0.3Fe-0.1Cr alloy were hot rolled with different reductions(10%,30%,50%,and 60%) at 1023 K and 1073 K.The micro structure evolutions including grain micro structure,texture,and dislocation were investigated,using electron backscattering diffraction and transmission electron microscope.The results showed that dislocation slip,twinning,and dynamic recrystallization(DRX) were the main deformation mechanisms.DRX was found to be promoted by larger reduction and higher rolling temperature.The predominant texture formed during hot rolling was basal 0001//ND,whose intensity reached peak value after 30% reduction hot rolling.While the intensity of DRX texture 10-10//ND and1-210//ND increased with increasing reduction and temperature.This study provided an effective way to tailor the texture and microstructure of the alloy,for optimizing process parameters. |
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Keywords: | Zr-1Sn-0 3Nb-0 3Fe-0 1Cr alloy Hot rolling Texture evolution Recrystallization |
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