FIELD: electricity.
SUBSTANCE: insert made of material with shape memory effect (SME) is fitted between parallel edges of coupled parts. The insert and coupled parts edges are fused and weld seam is cooled. Fusing is performed by laser or arc gas-shielded welding using nonconsumable electrode. Insert in the form of wire, strip or plate is used. During cycle operation of coupling the insert material restores deformation at the moment of unloading.
EFFECT: prevention of irreversible deformations occurrence and microcracks formation and developing.
5 cl, 2 ex
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