Vertical and radial variation in wood acoustical and physical properties of Ailanthus altissima

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F25%3A43927878" target="_blank" >RIV/62156489:43410/25:43927878 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.22320/s0718221x/2025.31" target="_blank" >https://doi.org/10.22320/s0718221x/2025.31</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.22320/s0718221x/2025.31" target="_blank" >10.22320/s0718221x/2025.31</a>

Result language

angličtina

Original language name

Vertical and radial variation in wood acoustical and physical properties of Ailanthus altissima

Original language description

This study investigated the vertical and radial variability of wood acoustical and physical properties in Ailanthus altissima (ailanthus tree), a species with potential applications in musical instrument construction. However, there is limited information about the variation within the stem in these properties, which is essential for assessing its suitability in acoustically demanding applications. In this context, wood density, dynamic modulus of elasticity, damping coefficient, acoustic conversion efficiency, and tangential and radial shrinkage were analyzed across three stem heights and three radial positions. Results revealed significant variation within the stem, with density and dynamic modulus of elasticity increasing from the base to the middle before declining at the top, while acoustic conversion efficiency showed an inverse trend. Radially, acoustic conversion efficiency was highest near the pith and decreased significantly toward the middle and outer parts of the stem, with no significant difference between these outer zones. The damping coefficient was lowest at the bottom logs, increased significantly at the middle, and slightly decreased at the top. Radially, the damping coefficient was lowest near the pith, increased toward the middle, and reached the highest values near the bark. Shrinkage increased significantly from pith to bark but showed minor axial variation, with similar values at the base and middle, and a significant decrease at the top of the stem. Importantly, density could be used as an indicator for acoustic conversion efficiency, enabling indirect assessment of acoustic performance. These variations highlight the potential of selecting specific stem regions to balance sound transmission and structural support, suggesting that Ailanthus altissima (ailanthus tree) could replace traditional woods for the backs and sides of stringed instruments.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20502 - Paper and wood

Project

<a href="/en/project/LL1909" target="_blank" >LL1909: Tree Dynamics: Understanding of Mechanical Response to Loading</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2025

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Maderas. Ciencia y tecnología

ISSN

0717-3644

e-ISSN

0718-221X

Volume of the periodical

27

Issue of the periodical within the volume

08.08.2025

Country of publishing house

CL - CHILE

Number of pages

15

Pages from-to

"e3125"

UT code for WoS article

001631018100001

EID of the result in the Scopus database

2-s2.0-105025960650