A STUDY ON VARIATIONS OF SPECIFIC MODULUS OF ELASTICITY AND SHEAR MODULI IN ARIZONA CYPRESS WOOD, USING VIBRATION METHOD

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ROOHNIA MEHRAN; DOUST HOSSEINI K.; KHADEMI ESLAM H.A.; GRIL J.; BREMAUD I.

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Journal: IRANIAN JOURNAL OF NATURAL RESOURCES Year:2007 | Volume:59 | Issue:4 Page(s): 921-933

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Title

A STUDY ON VARIATIONS OF SPECIFIC MODULUS OF ELASTICITY AND SHEAR MODULI IN ARIZONA CYPRESS WOOD, USING VIBRATION METHOD

Author(s)

Keywords

ARIZONA CYPRESSQ2

NDTQ3

MECHANICAL PROPERTIESQ2

MODULUS OF ELASTICITYQ3

VIBRATIONQ3

SPECIFIC GRAVITYQ3

Abstract

In this research, specific MODULUS OF ELASTICITY and two shear moduli of Cupressus arizonica wood from pith to bark were investigated. Sampling was done, and samples provided from plantations in faculty of natural resources, University of Tehran, Karaj. Physical, chemical and mechanical specimens were prepared from four different locations from pith to bark, in accordance with ISO International and TAPPI test method. For specific MODULUS OF ELASTICITY and shear moduli measurements, the NDT method was "Free VIBRATION on free-free bar". Correlations between these moduli and ring-width, SPECIFIC GRAVITY and extractives content were studied. Results showed that specific MODULUS OF ELASTICITY decreases significantly from pith to bark and also there exists a significant correlation between this property and ring-width. There were no significant differences observed between shear moduli from pith to bark, but radial shear modulus did have a significant correlation with SPECIFIC GRAVITY.

Cites

EVALUATING THE DYNAMIC MODULUS OF ELASTICITY OF ARIZONA CYPRESS WOOD USING IRANIAN FORCED VIBRATION SYSTEM

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APA: Copy

ROOHNIA, MEHRAN, DOUST HOSSEINI, K., KHADEMI ESLAM, H.A., GRIL, J., & BREMAUD, I.. (2007). A STUDY ON VARIATIONS OF SPECIFIC MODULUS OF ELASTICITY AND SHEAR MODULI IN ARIZONA CYPRESS WOOD, USING VIBRATION METHOD. IRANIAN JOURNAL OF NATURAL RESOURCES, 59(4), 921-933. SID. https://sid.ir/paper/23162/en

Vancouver: Copy

ROOHNIA MEHRAN, DOUST HOSSEINI K., KHADEMI ESLAM H.A., GRIL J., BREMAUD I.. A STUDY ON VARIATIONS OF SPECIFIC MODULUS OF ELASTICITY AND SHEAR MODULI IN ARIZONA CYPRESS WOOD, USING VIBRATION METHOD. IRANIAN JOURNAL OF NATURAL RESOURCES[Internet]. 2007;59(4):921-933. Available from: https://sid.ir/paper/23162/en

IEEE: Copy

MEHRAN ROOHNIA, K. DOUST HOSSEINI, H.A. KHADEMI ESLAM, J. GRIL, and I. BREMAUD, “A STUDY ON VARIATIONS OF SPECIFIC MODULUS OF ELASTICITY AND SHEAR MODULI IN ARIZONA CYPRESS WOOD, USING VIBRATION METHOD,” IRANIAN JOURNAL OF NATURAL RESOURCES, vol. 59, no. 4, pp. 921–933, 2007, [Online]. Available: https://sid.ir/paper/23162/en

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