不同轧制方式下TC4轧管变形分析
Science & Technology of Baotou Steel(Group) Corporation（2019）
Abstract
采用ABAQUS模拟软件模拟了PQF轧机、Accu轧机、Assel轧机轧制TC4钛合金管坯的过程,分析轧制过程的截面形状、温度、应力、应变的变化.结果表明:PQF轧机轧制TC4无缝管过程中截面形状较Accu和Assel轧机轧制TC4无缝管时截面形状变化小,尺寸精度高;Accu轧机和Assel轧机轧制过程中应力分布较PQF轧机复杂;采用3种方式轧制时,壁厚内侧金属应变较外侧大;Accu和Assel轧机轧制时间短,温度下降较PQF轧机小.
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