Al合金押出材の研究

微粒子化合物析出性元素と強力性との關係

抄録

The cause of high strength in extruded aluminium alloy have been attributed to the stability of recrystallization structure formed under working. The present author has carefully examined the cast structure of S D and found its speciality owing to the existence of Mn in the alloy. Other elements, having the same effect as Mn, have been reserched, and it is recognized that the extruded materials with those elements also show high strength. The stability of recrystallization structure, which is the cause of high strength in the extruded material, results from this special structure existing.