W06(2) マグネシウム合金線・管の冷間引抜き加工(【W06】機械材料としてのマグネシウム合金の新展開)

抄録

Recently, light magnesium alloy with superior heat radiating ability has been attracting attention in the fields of small digital electronic appliances, such as laptop computers, digital cameras. However, plastic working of the alloy is difficult, making warm or hot working necessary . Furthermore, the production of products with complicated shapes using the alloy is difficult, the processing cost is high, and the applicability of the alloy is limited. In this study, a technique for obtaining wires and tubes by cold drawing is examined to obtain wires with high strength, quality and surface morphology, while decreasing production cost. It was demonstrated that 60% or greater reduction of the cross-sectional area was realized during cold wire drawing by optimizing the drawing conditions. The cold drawing of tube is possible up to the total reduction of approximately 15%.