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梯度功能材料零件自由曲面分层建模方法 被引量：2

Layered modeling algorithm for free surfaces of parts from FGM
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摘要 为满足功能梯度材料(FGM)零件稳定、高效直接成形的需要,研究开发了一种基于表面梯度源的FGM零件建模方法,支持材料成分等值曲面分层快速成形.首先采用基于分层切片原理的体素化算法将STL网格模型转化为体素模型.然后设定模型表面轮廓为梯度源,结合材料分布函数,描述零件材料分布信息,得到材料成分的体数据集.最后运用等值面抽取技术从材料体数据集中得到等材料成分的曲面,实现FGM零件的曲面分层,为后续路径规划提供数据支持. To improve the speed of manufacturing and stability of part, a functionally graded material （FGM） modeling approach was presented to rapidly layered manufacture the metal part based on isocomposition surface. The vowelizing algorithm based on the principle of layering slicing was applied to transfer stereo lithography （STL） model into voxel model. Then voxel data set with material composition was calculated by setting the surface of geometric model as grading source and material composition function as the material control object. Finally, Marching Cubes （MC） algorithm was introduced to evaluate iso-composition 3D free surface, which is essential data support to path planning for FGM part manufacturing.
作者 胡帮友 张海鸥 王桂兰 陈晔
机构地区 华中科技大学数字制造装备与技术国家重点实验室 华中科技大学材料成形与模具技术国家重点实验室
出处 《华中科技大学学报（自然科学版）》 EI CAS CSCD 北大核心 2009年第12期104-106,共3页 Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金 国家高技术研究发展计划资助项目(2007AA04Z142) 国家自然科学基金资助项目(50475134) 华中科技大学博士后基金资助项目(0128100030)
关键词 梯度功能材料 建模 制造 自由曲面分层 体素模型 表面梯度源 functionally graded material modeling manufacture free surface layering voxel model surface grading source
分类号 TP391.73 [自动化与计算机技术—计算机应用技术]
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参考文献11

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二级参考文献24

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共引文献33

同被引文献17

  • 1颜永年,李生杰,张人佶,林峰,吴任东,卢清萍,熊卓,王小红.Rapid Prototyping and Manufacturing Technology:Principle, Representative Technics, Applications, and Development Trends[J].Tsinghua Science and Technology,2009,14(S1):1-12. 被引量：17
  • 2刘军,李英梅,黄宝宗.复合材料层板损伤失效分析[J].东北大学学报（自然科学版）,2006,27(1):76-79. 被引量：4
  • 3赵吉宾,刘伟军,卞宏友,吴剑煌.快速成形制造中扫描方向的优化方法研究[J].计算机集成制造系统,2006,12(12):2044-2048. 被引量：3
  • 4黄雪梅,牛宗伟,董小娟.快速成型技术中的分区扫描路径产生算法[J].机械设计与研究,2007,23(1):80-82. 被引量：16
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华中科技大学学报（自然科学版）
2009年 第12期

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