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ABAQUS模拟粉末冲击压制冲模质量数值优化

胡海烽 刘军

胡海烽, 刘军. ABAQUS模拟粉末冲击压制冲模质量数值优化[J]. 机械科学与技术, 2016, 35(10): 1525-1530. doi: 10.13433/j.cnki.1003-8728.2016.1009
引用本文: 胡海烽, 刘军. ABAQUS模拟粉末冲击压制冲模质量数值优化[J]. 机械科学与技术, 2016, 35(10): 1525-1530. doi: 10.13433/j.cnki.1003-8728.2016.1009
Hu Haifeng, Liu Jun. Optimization of Quality of Stamping Die Manufactured by Metal Powder Shock Compaction via ABAQUS[J]. Mechanical Science and Technology for Aerospace Engineering, 2016, 35(10): 1525-1530. doi: 10.13433/j.cnki.1003-8728.2016.1009
Citation: Hu Haifeng, Liu Jun. Optimization of Quality of Stamping Die Manufactured by Metal Powder Shock Compaction via ABAQUS[J]. Mechanical Science and Technology for Aerospace Engineering, 2016, 35(10): 1525-1530. doi: 10.13433/j.cnki.1003-8728.2016.1009

ABAQUS模拟粉末冲击压制冲模质量数值优化

doi: 10.13433/j.cnki.1003-8728.2016.1009
基金项目: 

国家自然科学基金项目(11372148)资助

详细信息
    作者简介:

    胡海烽(1992-),硕士研究生,研究方向为粉末高速压制成形技术,626835045@qq.com

    通讯作者:

    刘军(联系人),副教授,liujun@nbu.edu.cn

Optimization of Quality of Stamping Die Manufactured by Metal Powder Shock Compaction via ABAQUS

  • 摘要: 采用有限元软件模拟金属粉末冲击压制过程时,由于计算量过大,所建立的模型颗粒数远低于实际粉末压制中的颗粒数,造成计算结果偏差过大,需要对冲模质量等相关参数进行优化。优化基于SHPB实验结果,通过ABAQUS对铝粉建立密排球堆积简化模型,有序增加模型横向与纵向颗粒数,确定仿真模型中冲模的质量,进而构建模拟中颗粒数与冲模相对质量之间关系,分别得到横向和纵向颗粒排数与冲模相对质量的关系;确立了粉末微观模拟压制中最常用的密排9堆积模型的冲模相对质量为0.093;通过与铜粉的冲击压实实验结果对比,验证所建立的模型颗粒数与冲模相对质量关系式在其他材料计算中也是适用的。
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出版历程
  • 收稿日期:  2015-10-12
  • 刊出日期:  2016-10-05

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