Backward tracing simulation of precision forging process for blade based on 3D FEM

• 作 者: 高涛 杨合 刘郁丽
• 机 构: CollegeofMaterialsScienceandEngineering,StateKeyLaboratoryofPlasticFormingSimulationandDieandMouldTe
• 出 处: Transactions of Nonferrous Metals Society of China
• 发表日期: 2006年B02期
• 关键词: 航空发动机叶片 精密锻造过程 三维FEM模型 反向跟踪模拟 blade precision forging preform design backward
• 基金项目: Project（50225518） supported by the National Science Foundation of China for Distinguished Young Scholars： Project（02H53061） supported by the Aeronautical Science Foundation of China, Project（05-1） sup

<正>In order to obtain the desired final shape, the blade precision forging requires a reasonable preformed billet which can be obtained from a given final shape by using backward tracing scheme based on FEM. The key technologies of backward tracing