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2006•Journal of Building MaterialsRequires access

Study on the Evaluation System of the Charring Layer Structure of the Intumescent Fire-retardant Coating

XU Qian-wei

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Abstract

The structure and properties of the charring layer of the intumescent fire-retardant coating for structure steel was studied and four parameters model, including(1) thickness of the charring layer,(2) strength of the charring layer,(3) surface status of the charring layer,(4) quantitative analysis of the charring layer's inner bubble structure, for the evaluation of the charring layer of the intumescent fire-retardant coating was established.Meanwhile, feasible measurements for these parameters are presented and the relations between the fireproof performance and the change of these parameters are also discussed through experimental data analysis.

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What this paper is about

The structure and properties of the charring layer of the intumescent fire-retardant coating for structure steel was studied and four parameters model, including(1) thickness of the charring layer,(2) strength of the charring layer,(3) surface status of the charring layer,(4) quantitative analysis of the charring layer's inner bubble structure, for the evaluation of the charring layer of the intumescent fire-retardant coating was established.Meanwhile, feasible measurements for these parameters are presented and the relations between the fireproof performance and the change of these parameters are also discussed through experimental data analysis.

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Available abstract

The structure and properties of the charring layer of the intumescent fire-retardant coating for structure steel was studied and four parameters model, including(1) thickness of the charring layer,(2) strength of the charring layer,(3) surface status of the charring layer,(4) quantitative analysis of the charring layer's inner bubble structure, for the evaluation of the charring layer of the intumescent fire-retardant coating was established.Meanwhile, feasible measurements for these parameters are presented and the relations between the fireproof performance and the change of these parameters are also discussed through experimental data analysis.

Key concepts: Charring, Intumescent, Fire retardant, Materials science, Layer (electronics), Coating, Composite material

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