Variation in Mechanical Properties within Individual Annual Rings in the Resonance Spruce Wood (Picea abies (L.) Karst.)
This paper shows results of specific elastic modulus and specific tensile strength in the resonance spruce wood [Picea abies (L.) Karst.] in relation to its heterogeneity within individual annual rings. It also presents changes in the average values of microfibril angle in S2 layer measured in tange...
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University of Zagreb, Faculty of Forestry and Wood Technology
2014
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oai:doaj.org-article:4c0854ec76614e0cbff18823380f3e0b2021-12-02T01:10:45ZVariation in Mechanical Properties within Individual Annual Rings in the Resonance Spruce Wood (Picea abies (L.) Karst.)10.5552/drind.2014.13400012-67721847-1153https://doaj.org/article/4c0854ec76614e0cbff18823380f3e0b2014-09-01T00:00:00Zhttp://hrcak.srce.hr/file/188205https://doaj.org/toc/0012-6772https://doaj.org/toc/1847-1153This paper shows results of specific elastic modulus and specific tensile strength in the resonance spruce wood [Picea abies (L.) Karst.] in relation to its heterogeneity within individual annual rings. It also presents changes in the average values of microfibril angle in S2 layer measured in tangential walls of tracheids (MFA) within individual annual rings. On the grounds of the results, it can be concluded that specific modulus of elasticity and specific tensile strength of wood are strongly influenced by the position of the sample in annual rings. Generally, the values of these parameters increase along the width of annual rings. It is also noted that the specific modulus of elasticity and specific tensile strength depend on MFA. As MFA decreases, the values of these parameters increase.Waldemar MolińskiEdward RoszykJakub PuszyńskiUniversity of Zagreb, Faculty of Forestry and Wood Technologyarticleresonance woodspruce woodspecifi c modulus of elasticityspecific tensile strenthMFAForestrySD1-669.5ENDrvna Industrija, Vol 65, Iss 3, Pp 215-223 (2014) |
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resonance wood spruce wood specifi c modulus of elasticity specific tensile strenth MFA Forestry SD1-669.5 |
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resonance wood spruce wood specifi c modulus of elasticity specific tensile strenth MFA Forestry SD1-669.5 Waldemar Moliński Edward Roszyk Jakub Puszyński Variation in Mechanical Properties within Individual Annual Rings in the Resonance Spruce Wood (Picea abies (L.) Karst.) |
description |
This paper shows results of specific elastic modulus and specific tensile strength in the resonance spruce wood [Picea abies (L.) Karst.] in relation to its heterogeneity within individual annual rings. It also presents changes in the average values of microfibril angle in S2 layer measured in tangential walls of tracheids (MFA) within individual annual rings. On the grounds of the results, it can be concluded that specific modulus of elasticity and specific tensile strength of wood are strongly influenced by the position of the sample in annual rings. Generally, the values of these parameters increase along the width of annual rings. It is also noted that the specific modulus of elasticity and specific tensile strength depend on MFA. As MFA decreases, the values of these parameters increase. |
format |
article |
author |
Waldemar Moliński Edward Roszyk Jakub Puszyński |
author_facet |
Waldemar Moliński Edward Roszyk Jakub Puszyński |
author_sort |
Waldemar Moliński |
title |
Variation in Mechanical Properties within Individual Annual Rings in the Resonance Spruce Wood (Picea abies (L.) Karst.) |
title_short |
Variation in Mechanical Properties within Individual Annual Rings in the Resonance Spruce Wood (Picea abies (L.) Karst.) |
title_full |
Variation in Mechanical Properties within Individual Annual Rings in the Resonance Spruce Wood (Picea abies (L.) Karst.) |
title_fullStr |
Variation in Mechanical Properties within Individual Annual Rings in the Resonance Spruce Wood (Picea abies (L.) Karst.) |
title_full_unstemmed |
Variation in Mechanical Properties within Individual Annual Rings in the Resonance Spruce Wood (Picea abies (L.) Karst.) |
title_sort |
variation in mechanical properties within individual annual rings in the resonance spruce wood (picea abies (l.) karst.) |
publisher |
University of Zagreb, Faculty of Forestry and Wood Technology |
publishDate |
2014 |
url |
https://doaj.org/article/4c0854ec76614e0cbff18823380f3e0b |
work_keys_str_mv |
AT waldemarmolinski variationinmechanicalpropertieswithinindividualannualringsintheresonancesprucewoodpiceaabieslkarst AT edwardroszyk variationinmechanicalpropertieswithinindividualannualringsintheresonancesprucewoodpiceaabieslkarst AT jakubpuszynski variationinmechanicalpropertieswithinindividualannualringsintheresonancesprucewoodpiceaabieslkarst |
_version_ |
1718403252395966464 |