e/Shape memory coupling

Information
has gloss	eng: Shape memory coupling is a system for connecting pipes using shape memory alloys. In its typical form the technique uses an internally ribbed sleeve of alloy such as Tinel that is slightly smaller in diameter than the pipes it is to connect. The sleeve is cooled in liquid nitrogen then, in this low-temperature state, mechanically expanded with a mandrel to fit easily over the two pipe ends to be joined. After fitting, it is allowed to rewarm, when the memory effect causes the sleeve to shrink back to its original smaller size, creating a tight joint.
lexicalization	eng: Shape memory coupling
instance of	c/Metallurgical processes