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A review of the long-term effects of humidity on the mechanical properties of wood and wood-based products
European Journal of Wood and Wood Products ( IF 2.6 ) Pub Date : 2020-11-24 , DOI: 10.1007/s00107-020-01623-9
Juan Wang , Xiaoqing Cao , Haojin Liu

Wood is an indispensable building material for modern structures. As a kind of biological material, it is more likely than other materials to be affected by the environment. It has been shown that the effect of long-term exposure to humidity will accelerate the decrease in mechanical properties and long-term strength of wood and wood-based products. The most commonly used methods for studying the deterioration of the mechanical properties of wood and wood-based products under the action of long-term humidity exposure are artificially accelerated aging and outdoor exposure. Many scholars have studied various artificially accelerated aging tests, which can accelerate the aging of wood and wood-based products and save substantial time. However, the results of outdoor exposure tests can be better correlated with the aging of the materials in the actual environment. Scholars have established a relationship between artificially accelerated aging tests and the results of outdoor exposure tests and have studied the results of outdoor exposure tests under different climatic conditions. This paper not only reviews the artificially accelerated aging tests used for wood and wood-based products in the past twenty years, but also summarizes their characteristics and application scope. In addition, the relationship between the outdoor exposure tests and the artificially accelerated aging tests is reviewed. At the end of the paper, the challenges and prospects for the future works are put forward.



中文翻译:

湿度对木材和木制品机械性能的长期影响的综述

木材是现代建筑必不可少的建筑材料。作为一种生物材料,它比其他材料更容易受到环境的影响。已经表明,长期暴露于湿气的影响将加速木材和木质产品的机械性能和长期强度的降低。研究长期暴露于湿气下木材和木制品机械性能下降的最常用方法是人为加速老化和户外暴露。许多学者研究了各种人工加速老化测试,这些测试可以加速木材和木质产品的老化并节省大量时间。然而,室外暴露测试的结果可以更好地与实际环境中材料的老化相关联。学者们已经建立了人工加速老化测试与室外暴露测试结果之间的关系,并研究了在不同气候条件下的室外暴露测试结果。本文不仅回顾了近二十年来用于木材和木制品的人工加速老化测试,而且总结了它们的特性和应用范围。此外,还回顾了室外暴露测试与人工加速老化测试之间的关系。最后,提出了未来工作的挑战和前景。学者们已经建立了人工加速老化测试与室外暴露测试结果之间的关系,并研究了在不同气候条件下的室外暴露测试结果。本文不仅回顾了近二十年来用于木材和木制品的人工加速老化测试,而且总结了它们的特性和应用范围。此外,还回顾了室外暴露测试与人工加速老化测试之间的关系。最后,提出了未来工作的挑战和前景。学者们已经建立了人工加速老化测试与室外暴露测试结果之间的关系,并研究了在不同气候条件下的室外暴露测试结果。本文不仅回顾了近二十年来用于木材和木制品的人工加速老化测试,而且总结了它们的特性和应用范围。此外,还回顾了室外暴露测试与人工加速老化测试之间的关系。最后,提出了未来工作的挑战和前景。本文不仅回顾了近二十年来用于木材和木制品的人工加速老化测试,而且总结了它们的特性和应用范围。此外,还回顾了室外暴露测试与人工加速老化测试之间的关系。最后,提出了未来工作的挑战和前景。本文不仅回顾了近二十年来用于木材和木制品的人工加速老化测试,而且总结了它们的特性和应用范围。此外,还回顾了室外暴露测试与人工加速老化测试之间的关系。最后,提出了未来工作的挑战和前景。

更新日期:2020-11-25
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