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<p>Biodegradability is a key factor in sustainability. Materials used in engineering approaches that degrade naturally contribute to sustainable production. Some of them are based on organic waste, while others are grown explicitly for a given purpose. However, design, large-scale (industry-grade) production, production time, and resistance against environmental changes (i.e., moisture, temperature, force) hinder their applications. Furthermore, measurement issues arise during the determination of technical properties because of the larger variability. In acoustics, measurements in sound transmission and absorption suffer from reproducibility problems, especially through the introduction of natural materials to room acoustics.</p>

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A case study on variability and reproducibility issues in the acoustic testing of biodegradable materials

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年7月22日

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  • György Wersényi

摘要

Biodegradability is a key factor in sustainability. Materials used in engineering approaches that degrade naturally contribute to sustainable production. Some of them are based on organic waste, while others are grown explicitly for a given purpose. However, design, large-scale (industry-grade) production, production time, and resistance against environmental changes (i.e., moisture, temperature, force) hinder their applications. Furthermore, measurement issues arise during the determination of technical properties because of the larger variability. In acoustics, measurements in sound transmission and absorption suffer from reproducibility problems, especially through the introduction of natural materials to room acoustics.