| 摘要 |
For a pipe joining method using shape memory alloy capable of preventing a shape memory capacity loss due to a pipe's tolerance, a shape memory alloy joint having an inner diameter greater/less than an outer diameter of pipes to be joined is installed at the outer/inner circumference of a pipe joining portion, and the pipes and the shape memory alloy joint are simultaneously enlarged/reduced. In addition, a general metal joint having an inner diameter greater/less than an outer diameter of shape memory alloy pipes to be joined is installed at the outer/inner circumference of a shape memory alloy pipe joining portion, and the shape memory alloy pipes and the general metal joint are simultaneously enlarged/reduced.
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