基于同步辐射X射线相衬显微CT技术的竹木复合材料胶合界面特征研究

彭冠云; 王玉荣; 任海青; 杨淑敏; 马红霞; 谢红兰; 邓彪; 杜国浩; 肖体乔

doi:doi:10.3964/j.issn.1000-0593(2013)03-0829-05

光谱学与光谱分析, 2013, 33 (3): 829, 网络出版: 2013-03-27

基于同步辐射X射线相衬显微CT技术的竹木复合材料胶合界面特征研究

Investigation of Characteristic Microstructures of Adhesive Interface in Wood/Bamboo Composite Material by Synchrotron Radiation X-Ray Phase Contrast Microscopy

论文大纲

彭冠云 ^1,*王玉荣 ²任海青 ²杨淑敏 ³马红霞 ⁴谢红兰 ¹邓彪 ¹杜国浩 ¹肖体乔 ⁵

作者单位

¹ 中国科学院上海应用物理研究所, 上海201204

² 中国林业科学研究院木材工业研究所北京100091

³ 国际竹藤中心, 北京100102

⁴ 广东省林业科学研究院, 广东广州510520

⁵ 中国科学院上海应用物理研究所, 上海201204

同步辐射相位衬度竹木复合材料胶黏剂 Synchrotron radiation Phase contrast Wood/bamboo composite material Adhesive

摘要

第三代同步辐射光源X射线相位衬度显微CT能获得样品内部结构的边缘增强图像, 实现对低Z材料成像。利用上海同步辐射光源X射线相衬显微成像技术, 实现了竹木复合材料中EPI和MUF胶合界面和胶黏剂渗透特征的无损探测, 并基于这些特征分析了几种不同加工工艺对胶黏剂在木材和竹材中渗透的影响。该技术为人造板工艺解剖学研究提供了一种重要无损检测手段。

Abstract

Third-generation synchrotron radiation X-ray phase-contrast microscopy（XPCM）can be used for obtaining image with edge enhancement, and achieve the high contrast imaging of low-Z materials with the spatial coherence peculiarity of X-rays. In the present paper, the characteristic microstructures of adhesive at the interface and their penetration in wood/bamboo composite material were investigated systematically by XPCM at Shanghai Synchrotron Radiation Facility (SSRF). And the effect of several processing techniques was analyzed for the adhesive penetration in wood/bamboo materials. The results show that the synchrotron radiation XPCM is expected to be one of the important precision detection methods for wood-based panels.

参考文献

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彭冠云, 王玉荣, 任海青, 杨淑敏, 马红霞, 谢红兰, 邓彪, 杜国浩, 肖体乔. 基于同步辐射X射线相衬显微CT技术的竹木复合材料胶合界面特征研究[J]. 光谱学与光谱分析, 2013, 33(3): 829. PENG Guan-yun, WANG Yu-rong, REN Hai-qing, YANG Shu-min, MA Hong-xia, XIE Hong-lan, DENG Biao1, DU Guo-hao1, XIAO Ti-qiao. Investigation of Characteristic Microstructures of Adhesive Interface in Wood/Bamboo Composite Material by Synchrotron Radiation X-Ray Phase Contrast Microscopy[J]. Spectroscopy and Spectral Analysis, 2013, 33(3): 829.

基于同步辐射X射线相衬显微CT技术的竹木复合材料胶合界面特征研究

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