ISSN 1004-4140
CN 11-3017/P
杨存丰, 李敬明, 田勇, 张伟斌, 戴斌. 工业CT在增强硬质聚氨酯泡沫塑料无损检测中的应用[J]. CT理论与应用研究, 2009, 18(3): 66-71.
引用本文: 杨存丰, 李敬明, 田勇, 张伟斌, 戴斌. 工业CT在增强硬质聚氨酯泡沫塑料无损检测中的应用[J]. CT理论与应用研究, 2009, 18(3): 66-71.
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YANG Cun-feng, LI Jing-ming, TIAN Yong, ZHANG Wei-bin, DAI Bin. Applications of Industrial CT in Reinforced Rigid Polyurethane Foam Non-destructive Testing[J]. CT Theory and Applications, 2009, 18(3): 66-71.
Citation: YANG Cun-feng, LI Jing-ming, TIAN Yong, ZHANG Wei-bin, DAI Bin. Applications of Industrial CT in Reinforced Rigid Polyurethane Foam Non-destructive Testing[J]. CT Theory and Applications, 2009, 18(3): 66-71.
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工业CT在增强硬质聚氨酯泡沫塑料无损检测中的应用

Applications of Industrial CT in Reinforced Rigid Polyurethane Foam Non-destructive Testing

    摘要
  • 摘要: 为提高作为结构材料使用时硬质聚氨酯泡沫塑料(RPUF)的力学性能,在基体材料中添加增强材料形成了增强RPUF(RRPUF),RRPUF内部的材料组成及结构特征影响其力学性能。本文应用微焦点锥束体式工业CT技术,进行了玻璃纤维RRPUF三维结构的工业CT检测,获得了高分辨率的RRPUF三维结构CT图像,并解析了RRPUF内部结构特征,包括玻璃纤维及泡孔的形状、位置、尺寸、体积含量以及分布状况等。研究表明微焦点VCT技术可有效地实现RRPUF内部结构特征的检测及分析,为进一步研究RRPUF的性能提供了重要方法。

     

    Abstract: The rigid polyurethane foam with high mechanical properties, as structure materials, can be obtained by filling reinforcing materials. Structure characteristic and material composition influence mechanical properties of RRPUF. In this thesis, 3D structure of glass fiber RRPUF was tested by microfocus cone-beam X-ray industrial computed tomography. Structure characteristic such as shape, position, size and volume percentage of glass fiber and porosity defect inside glass fiber RRPUF was analyzed by CT analysis software. It shows that microfocus cone-beam X-ray industrial computed tomography is important method in non-destructive testing for RRPUF structure characteristic.

     

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