玉米皮纤维板的物理和声学性能

Q2 Physics and Astronomy

Advances in Acoustics and Vibration Pub Date : 2016-12-15 DOI:10.1155/2016/5971814

N. H. Sari, I. Wardana, Y. Irawan, E. Siswanto

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引用次数: 36

摘要

这项研究的重点是开发一种可持续的声学材料，该材料由玉米壳的天然纤维组成，分别由1%、2%、5%和8%的NaOH进行碱改性。实验研究了所得纤维的形态和声学、物理和机械性能。以面板形式制作了五种不同类型的样品，使用双麦克风阻抗管测试研究了其声学特性。研究了每个面板的孔隙度、弯曲度和气流电阻率，进行了拉伸试验，并通过扫描电子显微镜对形态学方面进行了评估。经处理的板材吸声性能和拉伸性能优于原纤维板;处理后的面板具有高气流电阻率和低孔隙率。玉米皮纤维表面的扫描电子显微图显示，这些面板的不同吸声性能是由于粗糙度和管腔结构。

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Physical and Acoustical Properties of Corn Husk Fiber Panels

This research focuses on the development of a sustainable acoustic material comprising natural fibers of corn husk that were alkali modified by 1%, 2%, 5%, and 8% NaOH. The morphology and the acoustical, physical, and mechanical properties of the resulting fibers were experimentally investigated. Five different types of sample were produced in panel form, the acoustical properties of which were studied using a two-microphone impedance tube test. The porosity, tortuosity, and airflow resistivity of each panel were investigated, tensile tests were conducted, and the morphological aspects were evaluated via scanning electron microscopy. The sound absorption and tensile properties of the treated panels were better than those of raw fiber panels; the treated panels were of high airflow resistivity and had low porosity. Scanning electron micrographs of the surfaces of the corn husk fibers revealed that the different sound absorption properties of these panels were due to roughness and the lumen structures.

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来源期刊

Advances in Acoustics and Vibration ACOUSTICS-

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期刊介绍： The aim of Advances in Acoustics and Vibration is to act as a platform for dissemination of innovative and original research and development work in the area of acoustics and vibration. The target audience of the journal comprises both researchers and practitioners. Articles with innovative works of theoretical and/or experimental nature with research and/or application focus can be considered for publication in the journal. Articles submitted for publication in Advances in Acoustics and Vibration must neither have been published previously nor be under consideration elsewhere. Subject areas include (but are not limited to): Active, semi-active, passive and combined active-passive noise and vibration control Acoustic signal processing Aero-acoustics and aviation noise Architectural acoustics Audio acoustics, mechanisms of human hearing, musical acoustics Community and environmental acoustics and vibration Computational acoustics, numerical techniques Condition monitoring, health diagnostics, vibration testing, non-destructive testing Human response to sound and vibration, Occupational noise exposure and control Industrial, machinery, transportation noise and vibration Low, mid, and high frequency noise and vibration Materials for noise and vibration control Measurement and actuation techniques, sensors, actuators Modal analysis, statistical energy analysis, wavelet analysis, inverse methods Non-linear acoustics and vibration Sound and vibration sources, source localisation, sound propagation Underwater and ship acoustics Vibro-acoustics and shock.