| 摘要 |
Has an obj ect of providing a connection structural body in which an electric wire and a crimp terminal formed of different metal materials are connected to each other, and which is produced at low cost and with a small number of production steps, prevents galvanic corrosion, and has a conducting function with certainty. In a connection structural body 1, an aluminum electric wire tip part 202a and a crimp terminal 10 are connected to each other. The aluminum electric wire tip part 202a is an exposed tip part of an insulated wire 200 including an aluminum core wire 202 and an insulating cover 201 for covering the aluminum core wire 202, and is exposed as a result of being stripped of the insulating cover 201. The crimp terminal 10 includes a wire barrel section 12 for pressure-bonding and thus connecting the aluminum electric wire tip part 202a and is formed of a metal material having a higher potential than that of the aluminum core wire 202. The aluminum electric wire tip part 202a is covered with a cover solder 203 or with the cover solder 203 and a cover resin 204. The aluminum electric wire tip part 202a is pressure-bonded and thus connected to the wire barrel section 12, such that the aluminum electric wire tip part 202a is, in a pressure-bonded state, covered with the cover 203 and/or the cover reins 204, with no gap, from an insulating cover tip part 201a of the insulating cover 201 to a rear end portion of the wire barrel section 12.
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