| 摘要 |
A method for preparing a nonflammable insulating sheath on a metal conductor wherein the sheath does not shed, slough off, wipe off, or crack when said conductor is flexed or bent comprising the steps of adding impurities to a metal electrical conductor, zonally annealing said conductor, and rectifying said conductor metallurgically by exposing said conductor to a magnetic or electrical field. The method yields a resultant sheathing on said conductor that does not burn, smoke, smolder, yield toxic fumes or crack during bending or flexing.
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