抄録
Our aim was to produce a thin sheet of shape memory alloy in a small quantity. First, we used the SHS, method (Self Propargating High temperature Synthesis) to make an ingot of about one kilogram of Ti-Ni memory alloy. Next, we trisected the one kilogram ingot and did precision castings of the three 330 gram-pieces. Then, we made a block with a height of 500 mm, width of 500 mm, and thickness of 7 mm. We tried to produce a small lot of hoop, material by hot-rolling and then cold-rolling the block. We used two kinds of blocks to produce the hoop material. The Ti-Ni shape memory alloy ingots, were made with two kinds of two kinds of powders: one powder, which contained at 50.8% Ni and the remainder Ti, was for its super-elastic characteristic: and the other powder, which had at 50% Ni and the remainder Ti, was for its, shape memory characterisitic. The final measurements of the hoop material were a thickness of 0.2 mm and a width of 115mm. We could slit and cut off both edges because both edges of the hoop were corrugated. In the end, we produced a thin sheet of shape memory alloy with a width of 100 mm.
