Instrumentation for quantitative analysis of volatile compounds emission at elevated temperatures. Part 2: Analysis of carbon fibre reinforced epoxy composite

被引：1
|
作者：
Lourenco, Celia [1 ]
Francis, Daniel [1 ]
Fowler, Dawn P. [2 ]
Staines, Stephen E. [1 ]
Hodgkinson, Jane [1 ]
Walton, Christopher [3 ]
Bergin, Sarah [1 ,4 ]
Tatam, Ralph P. [1 ]
机构：
[1] Cranfield Univ, Ctr Engn Photon, Cranfield MK43 0AL, Beds, England
[2] Cranfield Univ, Environm Analyt Facil, Cranfield MK43 0AL, Beds, England
[3] Cranfield Univ, Ctr Environm & Agr Informat, Cranfield MK43 0AL, Beds, England
[4] HSE Sci & Res Ctr, Harpur Hill, Buxton SK17 9J, Derby, England
来源：
SCIENTIFIC REPORTS | 2020年 / 10卷 / 01期
基金：
英国工程与自然科学研究理事会; 欧盟地平线“2020”;
关键词：
THERMAL-DEGRADATION; ORGANIC-COMPOUNDS; AIRCRAFT; DECOMPOSITION; MONOXIDE; BEHAVIOR; RESINS;
D O I：
10.1038/s41598-020-65473-4
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We have investigated the release of gases and volatile organic compounds (VOCs) from a carbon fibre reinforced epoxy composite matrix used in aircraft structural components. Analysis was performed at several temperatures both up to and above the recommended operating temperature (121 degrees C) for the material, to a maximum of 250 degrees C. Gas chromatography-mass spectrometry (GC-MS) combined with thermal desorption (TD-GC-MS) was used to identify and quantify VOCs, and in parallel real-time gas detection with commercial off-the-shelf (COTS) gas sensors. Under hydrocarbon free air, CO, SO2, NO, NO2 and VOCs (mainly aldehydes, ketones and a carboxylic acid) were detected as the gaseous products released during the thermal exposure of the material up to 250 degrees C, accompanied by increased relative humidity (4%). At temperatures up to 150 degrees C, gas and volatile emission was limited.
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页数：9
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