The titanium strip and foil production process includes the following basic processes: Slabs are hot-rolled into flat products and wound into coils - Warm and cold rolled into intermediate strip stocks - Cold rolling of strips and foils with a multi-roll mill ; Finishing process.
In the former Soviet Union, commercially available pure titanium and titanium alloys can be used to produce foils with a thickness of 0.05 to 0.08 mm and strips of strip material 0.1 to 1.5 mm in thickness and 200 to 600 mm in width to be rolled according to the process outlined in Table 2-25. system.
When the strip blank is rolled to a thickness of 1.6 mm, the low-alloyed titanium alloy can be cold-rolled, and the high-alloyed titanium alloy is subjected to two-pass warm rolling at a temperature of 720 to 800 T. The total relative deformation is 50 at most. % and 40%. Between the two rolling passes, the strip blanks need to be pickled and annealed when cold rolling, while only mild pickling is required during warm rolling.
Titanium foil materials are generally 0.5~0.8mm strip blanks in a vacuum annealed state. After a cold rolling process, the total reduction is 20% to 50% in 7 to 8 cold rolling passes, rolled to a final thickness of 0.05 - 0.08mm.
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