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Characterization and evaluation of wood strand composite load capacity with near infrared spectroscopy

机译：木线复合材料承载能力的近红外光谱表征与评价

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摘要

This study looked at the ability to use near infrared reflectance spectroscopy to non-destructively assess the load capacity and deflection of oriented strand construction board in the presence of phenol formaldehyde (PF) resin variation. The influence of PF resin on both mechanical properties was significant. Principal components regression was used to determine and rank statistically important principal components. For prediction of load capacity, the following associated wavelengths were important and in the following order: urea ＞ lignin ＞ cellulose ＞ PF. Likewise, for prediction of deflection within the elastic region, the following associated wavelengths were important: urea ＞ cellulose ＞ lignin ＞ PF. Models for prediction of load capacity (R~2 = 0. 69) were stronger than those for deflection (R~2 = 0. 59). It was determined that the predictive capability of the mul-tivariate models were strong enough to characterize population parameters and for interpretation purposes but may not be precise enough for the accurate screening of individual panels.
机译：这项研究探讨了使用近红外反射光谱法无损评估取向酚醛建筑板材在酚醛（PF）树脂存在下的承载能力和挠度的能力。 PF树脂对两种机械性能的影响都很大。主成分回归用于确定和统计上重要的主成分。为了预测负载能力，以下相关波长很重要，且顺序如下：尿素＞木质素＞纤维素＞ PF。同样，对于预测弹性区域内的挠度，以下相关波长很重要：尿素＞纤维素＞木质素＞ PF。预测负荷能力的模型（R〜2 = 0. 69）比用于挠度的模型（R〜2 = 0. 59）强。已确定，多变量模型的预测能力足以表征种群参数并用于解释目的，但可能不够精确，无法准确筛选单个面板。

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  • 来源
    《Materials and structures》 |2013年第11期|1801-1810|共10页
  • 作者

    Brian Via;

  • 作者单位

    School of Forestry and Wildlife Sciences, Auburn University, 520 Devall Drive, Auburn, AL 36849, USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    NIR; Non-destructive; Adhesive; Composite; Biomaterial;

    机译：近红外;无损胶粘剂;综合;生物材料;

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