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Abstract

High temperature behaviour of glass-vinyl ester stack liner at the operation temperature (20–121°C) was experimentally investigated by measurements on the small specimens and full scale specimens in this paper. Based on the stacking sequences of a typical glass-vinyl ester stack liner, three groups of small specimens were produced to evaluate the degradation of their tensile and compressive strength, the tensile modulus, and the flexural strength and modulus with increasing temperature, and one group of full scale specimens was prepared to measure their properties at room temperature. Furthermore, the ultimate axial tensile stress of a suspended glass-vinyl ester stack liner at various temperatures was derived according to the experimental results from the small specimens and full scale specimens. The high temperature behaviour of composites stack liner from the tests can be used as reference for determining the extreme operation temperature in coal-fired power plants.

Keywords

Stack liner High temperature behaviour Mechanical testing Vinyl ester

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