アルミニウム合金薄肉異形材の熱間押出時の先端形状を一様にする型形状に関する実験的検討 I 軸心を通る肉厚一定な異形材の押出し
An experimental study on die shapes for balancing metal flow in hot extrusion - Extrusion of thin shapes of aluminum alloy with a constant thickness through a die orifice concentric to the extrusion axis.