Enhancing the {100} grain subdivision in high-purity tantalum sheets by asymmetric cross rolling
Weak subdivision or fragmentation ability of deformed {100} ( // ND, normal direction) grains by traditional unidirectional (symmetric) rolling results in uneven deformation during tantalum (Ta) processing. Thus, a recently developed asymmetric cross rolling (ACR) is adopted in this work to enhance the subdivision of {100} grain in Ta sheets. Electron backscatter diffraction (EBSD), transmission e