2005 Volume 46 Issue 2 Pages 342-348
In order to demonstrate the effect of deformation temperature on texture formation in silver alloy sheet for superconducting tapes, the rolling and annealing textures of Ag-10 mol% Pd alloy rolled at the temperatures from −196 to 160°C and subsequently annealed were examined in detail.
The rolling texture for all deformed specimens rolled at temperatures from −196 to 160°C consisted of a certain component near the Brass {110}⟨112⟩ orientation with some weak components. During annealing procedure, the characteristic components of deformation texture disappeared quickly in specimens rolled at room temperature or −196°C but slowly in those warm-rolled at 120°C or 160°C. The Copper component was found to be formed by higher temperature annealing in specimens warm-rolled at 160°C and those rolled at room temperature. Above all, a single {112}⟨111⟩ Copper type texture with high intensity in ODFs has been realized in three different specimens, which were rolled by 92% at room temperature or warm-rolled by 92% or 95% at 160°C and subsequently annealed as 200°C-10 min + 500°C-30 min + 800°C-180 min + 950°C-180 min respectively. From the experimental results obtained here, a metallurgical processing to get a sharp single orientation type texture in Ag-10 mol% Pd alloy was presented for the development of new technology on oriented superconducting substrate tapes.
