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西北工业大学机电学院
Published:2010
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孙敬,杨方,齐乐华. 超塑性微挤压尺度效应有限元模拟与分析[J]. 航空制造技术, 2010, 53(16): 73-75/95.
Finite Element Numerical Simulation and Analysis of Superplastic Micro-Extrusion Size Effect[J]. Aeronautical Manufacturing Technology, 2010, 53(16): 73-75.
孙敬,杨方,齐乐华. 超塑性微挤压尺度效应有限元模拟与分析[J]. 航空制造技术, 2010, 53(16): 73-75/95. DOI: 10.16080/j.issn1671-833x.2010.16.006.
Finite Element Numerical Simulation and Analysis of Superplastic Micro-Extrusion Size Effect[J]. Aeronautical Manufacturing Technology, 2010, 53(16): 73-75. DOI: 10.16080/j.issn1671-833x.2010.16.006.
针对超塑性微挤压工艺的特点,利用有限元方法建立微挤压模型。以制件在微小尺寸下尺度效应的特征为基础,通过挤压力、等效应力分布以及流动网格的变化模拟分析尺度效应对微挤压过程的影响,为微小零件挤压成形的深入研究提供必要的信息与指导。
According to the characteristics of superplastic micro-extrusion
micro-extrusion finite element model is built. The infl uences of size effect are simulated and analyzed by extrusion pressure
effective stress distribution and the changes of fl ow grid
on the basis of size effect of parts at micro dimension. Through this study
the necessary information and guides are provided for the further research of extrusion of micro-parts.
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