Investigation of the impregnation degree of the prepreg by near infrared spectroscopy

被引：12
|
作者：
Jiang, B. [1 ]
Huang, Y. D. [1 ]
机构：
[1] Harbin Inst Technol, Sch Chem Engn & Technol, Polymer Mat & Engn Dept, Harbin 150001, Peoples R China
来源：
COMPOSITES PART B-ENGINEERING | 2011年 / 42卷 / 04期
基金：
高等学校博士学科点专项科研基金; 中国国家自然科学基金; 中国博士后科学基金;
关键词：
Prepreg; Analytical modeling; Non-destructive testing; QUALITY;
D O I：
10.1016/j.compositesb.2010.12.022
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the manufacture of the prepreg, the impregnation degree was a key factor to ensure the quality of the prepreg. In experiment, the impregnation degree of the prepreg was analyzed by developing the reference method. Near infrared (NIR) spectra were combined with partial least squares (PLS) to develop the calibration models of the impregnation degree of the prepreg. The determination coefficient (R-2) was 0.98 and root mean square error of calibration (RMSEC) was 4.24 for the calibration models. The regression coefficient of the actual values against NIR predicted values for calibration model was 0.989. With this rapid and noncontact analytical method, prepreg quality will be improved. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：946 / 948
页数：3
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