細線の温間引張り矯正特性

概要

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The characteristics of warm tension straightening of micro steel wire coated with zinc has been investigated. (1) The wire can be straightened by the conditions of the tension corresponding to 0.7% elongation at temperature of 300 〜 400℃ (2) The warm tension Straightening decreases the rupture strength and elongation of the straightened wire with the increase of temperature increase. (3) The tension straightening at the temperature above 300℃ changes the colour of coated zinc and makes its initial properties lost. (4) The appropriate conditions of the tension straightening of the wire coated with zinc are 300℃ in temperature and 1249MPa in tension, but the rupture strength of the straightened wire decreases by 20% and its rupture elongation decreases by 8%.
九州共立大学の論文