陈明和
Professor
Education Level:南京航空航天大学
Degree:Doctoral Degree in Engineering
School/Department:College of Mechanical and Electrical Engineering
Discipline:Aeronautical and Astronautical Manufacturing Engineering. Material Process Engineering
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Affiliation of Author(s):机电学院
Journal:稀有金属材料与工程
Key Words:宽弦空心叶片;毛坯优化设计;扩散连接;有限元仿真;钛合金;
Abstract:钛合金宽弦空心风扇叶片是航空发动机的重要部件,具有复杂的结构特点,内部交替排列减重空腔与加强筋,采用基于复杂超塑性成形的传统多层工艺成形难度大。针对以上问题,提出一种基于热成形和扩散连接技术的新双层制造工艺,并且规划了一条毛坯优化设计的基本技术途径,更可靠可控的构建了内部加强筋。借用ABAQUS软件数值模拟成形,分析成形结果的厚度均匀性、结构完整性和表面缺陷,以及评估方法的实用性。以Ti-6Al-4V为成形材料,采用经尺寸优化后的最佳坯料,进行了一系列的实验来验证仿真结果。实验成功制造出无缺陷的缩比版钛合金宽弦空心风扇叶片,同时实验与仿真模拟结果非常吻合。
ISSN No.:1002-185X
Translation or Not:no
Date of Publication:2019-06-15
Co-author:吴心晨,xls,王宁,wangning,苏楠
Correspondence Author:cmh
Pre One:Prediction and Experiment of Fracture Behavior in Hot Press Forming of a TA32 Titanium Alloy Rolled Sheet
Next One:Numerical and experimental investigations of the hot stamping process for complex aircraft skin parts composed of TA32 high-temperature titanium alloy using an Arrhenius-type constitutive model
