Effects of retainer frame, irradiance level and specimen thickness on cone calorimeter test results

2005 ◽  
Vol 29 (1) ◽  
pp. 1-13 ◽  
Author(s):  
Joe Urbas
Keyword(s):  
Cone Calorimeter ◽  
Specimen Thickness ◽  
Test Results ◽  
Irradiance Level ◽  
Cone Calorimeter Test

Investigation of Flammable Behavior of Nylon 6 Fabrics with and without Spandex Using Cone Calorimeter Test and Vertical Burning Test

2014 ◽  
Vol 852 ◽  
pp. 644-647
Author(s):  
Sheng Li Luo ◽  
Hai Liang Zhang ◽  
Zhi Cheng Zhan ◽  
Bing He Mao ◽  
Zhi Jie Jiang ◽  
...  
Keyword(s):  
Heat Release ◽  
Release Rate ◽  
Cone Calorimeter ◽  
Nylon 6 ◽  
Test Results ◽  
Total Heat Release ◽  
Combustion Behavior ◽  
Textile Fabrics ◽  
Cone Calorimeter Test ◽  
Nylon Fiber

To study the influence of spandex on combustion behavior of textile fabrics, two kinds of nylon 6 fabrics were tested using cone calorimeter test and vertical burning test. Some key combustion parameters such as heat release rate (HRR), total heat release (THR) and rate of smoke release (RSR) were obtained from cone calorimeter test and afterflame time and damaged length from vertical burning test. Results indicated that the nylon 6 fabric containing spandex showed 21% higher HRR value. But THRs of the nylon 6 fabric containing spandex and the pure nylon 6 fabric were close. RSR curves indicated that RSR value of the nylon 6 fabric containing spandex was 73% higher than that of the pure nylon 6 fabric. The afterflame time and damaged length of the nylon 6 fabric containing spandex were much longer than that of the pure nylon 6 fabric. Spandex does accelerate the combustion behavior on Nylon fiber.

Experimental determination of the evolution of the incident heat flux received by a combustible during a cone calorimeter test: Influence of the flame irradiance

2020 ◽  
pp. 073490412097044
Author(s):  
Fabien Hermouet ◽  
Éric Guillaume ◽  
Thomas Rogaume ◽  
Franck Richard ◽  
Mohamad El Houssami
Keyword(s):  
Heat Flux ◽  
Cone Calorimeter ◽  
Mass Loss Rate ◽  
Polymeric Materials ◽  
Acrylonitrile Butadiene Styrene ◽  
Analytical Treatment ◽  
Irradiance Level ◽  
Cone Calorimeter Test ◽  
The Matrix ◽  
The Impact

The decomposition kinetic of polymeric materials in a cone calorimeter strongly depends on the irradiance level imposed at the sample’s surface. Indeed, even if the irradiance level is supposed to be kept constant during cone calorimeter test, the amount of heat flux which is emitted by the flame can greatly increase the total heat flux received by the material. Analytical treatment on recently obtained results of an acrylonitrile-butadiene-styrene’s mass loss rate with controlled atmosphere cone calorimeter has shown that the differences observed between well-ventilated and inert environments can be attributed to the impact of the flame. This observation has brought the necessity to determine the impact of the flaming process on the material thermal decomposition. To do so, series of experiments have been devised, based on the insertion of a heat fluxmeter within the matrix of an acrylonitrile butadiene styrene material, during cone calorimeter tests in order to measure the flame heat flux as a function of the decomposition and the combustion processes.

Predicting the time to flashover for GRP panels based on cone calorimeter test results

2008 ◽  
Vol 91 (3) ◽  
pp. 759-762 ◽  
Author(s):  
Q. Xu ◽  
G. J. Griffin ◽  
I. Burch ◽  
Y. Jiang ◽  
C. Preston ◽  
...  
Keyword(s):  
Cone Calorimeter ◽  
Test Results ◽  
Cone Calorimeter Test

scholarly journals Influence of Thickness on Water Absorption and Tensile Strength of BFRP Laminates in Water or Alkaline Solution and a Thickness-Dependent Accelerated Ageing Method for BFRP Laminates

2020 ◽  
Vol 10 (10) ◽  
pp. 3618
Author(s):  
Yanlei Wang ◽  
Wanxin Zhu ◽  
Xue Zhang ◽  
Gaochuang Cai ◽  
Baolin Wan
Keyword(s):  
Tensile Strength ◽  
Water Absorption ◽  
Tensile Properties ◽  
Alkaline Solution ◽  
Ageing Time ◽  
Accelerated Ageing ◽  
Specimen Thickness ◽  
Test Results ◽  
Strength Retention

This paper first presented an experimental study on water absorption and tensile properties of basalt fiber-reinforced polymer (BFRP) laminates with different specimen thicknesses (i.e., 1, 2, and 4 mm) subjected to 60 °C deionized water or alkaline solution for an ageing time up to 180 days. The degradation mechanism of BFRP laminates in solution immersion was also explored combined with micro-morphology analysis by scanning electronic microscopy (SEM). The test results indicated that the water absorption and tensile properties of BFRP laminates were dramatically influenced by specimen thickness. When the BFRP laminates with different thicknesses were immersed in the solution for the same ageing time, the water absorption of the specimens decreased firstly before reaching their peak water absorption and then increased in the later stage with the increase of specimen thickness, while the tensile strength retention sustaining increased as specimen thickness increased. The reason is that the thinner the specimen, the more severe the degradation. In this study, a new accelerated ageing method was proposed to predict the long-term water absorption and tensile strength of BFRP laminates. The accelerated factor of the proposed method was determined based on the specimen thickness. The proposed method was verified by test results with a good accuracy, indicating that the method could be used to predict long-term water absorption and tensile strength retention of BFRP laminates by considering specimen thickness in accelerating tests.

scholarly journals A Study on Fire Performance Evaluation of EIFS on Anti-Flaming Finish by Cone Calorimeter Test

2012 ◽  
Vol 26 (3) ◽  
pp. 106-111 ◽  
Author(s):  
Se-Hong Min ◽  
Ju-Seok Sun ◽  
Sang-Chul Kim ◽  
Yong-Mook Choi ◽  
Seok-Ki Lee
Keyword(s):  
Performance Evaluation ◽  
Cone Calorimeter ◽  
Fire Performance ◽  
Cone Calorimeter Test

scholarly journals Flame-retardant treatment of wool and wool-rich blends: A study of bath composition

2020 ◽  
Vol 15 ◽  
pp. 155892502092221
Author(s):  
Elif Kaynak ◽  
Mustafa Erdem Üreyen ◽  
Ali Savaş Koparal ◽  
Adem Mutlu
Keyword(s):  
Heat Release ◽  
Release Rate ◽  
Cone Calorimeter ◽  
Wool Fabric ◽  
Acetate Solution ◽  
Bath Composition ◽  
Zirconium Acetate ◽  
Zirconium Complexes ◽  
Flammability Test ◽  
Cone Calorimeter Test

Wool and wool-polyamide blended yarns (88.6% wool–11.4% polyamide 6,6 and 78.5% wool–21.5% polyamide 6,6) were knitted and the produced fabrics were treated by exhaustion method with zirconium complexes. Six different baths containing potassium hexafluorozirconate and zirconium acetate were studied. The flammability hazard was evaluated considering parameters such as the spread of flame, the heat release and the smoke release rate. Regardless of the blend composition, the untreated fabrics could not pass the vertical flammability test. 100% wool fabric could pass the vertical flammability test when treated with only 1% potassium hexafluorozirconate and 10% zirconium acetate solution. Higher compositions of metal complexes were required for the blended fabrics to pass the vertical flammability test. In the cone calorimeter test, 100% wool treated with 5% potassium hexafluorozirconate and 10% zirconium acetate solution gave the lowest peak heat release and smoke release rate values as 146.4 kW/m2 and 1.2 s−1, respectively.

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