Prospects for within-tree variation of the acoustoelastic behaviors in Japanese cedar

Masumi Hasegawa; Yuji Yano; Junji Matsumura; Kazuyuki Oda

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Prospects for within-tree variation of the acoustoelastic behaviors in Japanese cedar

机译：雪松的声弹性行为在树内变异的前景

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摘要

Acoustoelastic behaviors of Japanese cedar were investigated between individual parts within the trunk (heartwood or sapwood) to clarify their within-tree variation. An ultrasonic longitudinal or shear wave was propagated through wood samples transversely to the applied stress direction. Changes in wave velocities due to the applied stress had a commonality between heartwood and sapwood. The magnitude and variation coefficients of acoustoelastic constants were larger for heartwood than for sapwood. These findings suggest that the acoustoelastic technique can be used for nondestructive stress measurements in every position within the trunk but that requires attention to the variations in acoustoelastic constants.

机译：在树干的各个部分（心材或边材）之间研究了日本雪松的声弹性行为，以阐明它们在树内的变化。超声波纵向或剪切波横向于施加的应力方向传播通过木材样品。由于施加应力而引起的波速变化在心材和边材之间具有共同点。心材的声弹性常数的大小和变异系数比边材大。这些发现表明，声弹性技术可用于躯干内每个位置的无损应力测量，但需要注意声弹性常数的变化。

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来源
《NDT & E international》 |2012年第2012期|p.57-63|共7页
作者
Masumi Hasegawa; Yuji Yano; Junji Matsumura; Kazuyuki Oda;
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作者单位

Department of Agro-Environmental Science, Faculty of Agriculture, Kyushu Univ., 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan;

Department of Bioresource and Bioenvironment, School of Agriculture, Kyushu Univ., 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan;

Department of Agro-Environmental Science, Faculty of Agriculture, Kyushu Univ., 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan;

Department of Agro-Environmental Science, Faculty of Agriculture, Kyushu Univ., 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
acoustoelastic effect; japanese cedar; heartwood; sapwood; within-tree variation;

机译：声弹效应日本雪松心材;边材树内变异;

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Prospects for within-tree variation of the acoustoelastic behaviors in Japanese cedar

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