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Microstructure and Texture Evolution of Rolled Plate for Cu–15Cr In-Situ Composite
XuDong Wu,LvQi Zhu,RuiRui Liu,HaiTao Zhou 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.11
The microstructure and texture of different rolling processes in situ Cu–15Cr sheets are studied. The results show that thesecond phase Cr in the material gradually become broken, flattened, merged and homogenized from dendritic state to orientedthin lath. Meanwhile, the texture in distributed copper matrix grains finally forms Brass {110}<112>, Goss {001}<110>and Copper {112}<111> textures along with Cr phase texture of randomly distributed α-fiber (<110> fiber) and γ-fiber(<111> fiber) texture. Based on VPSC (visco-plastic self-consistent model), the texture of cold rolled Cu–15Cr compositeis simulated, and the simulation result indicates that obvious twinning effect in the copper matrix appears with a feature ofa special texture evolution law of Goss.