Investigation the acoustic behavior of poplar and spruce species reaction wood using ultrasonic technique

The acoustic behavior of reaction and normal woods, phase velocity, group velocity and attenuation coefficients in the main directions for two wood species (Populus deltoids & Picea abies), were measured and compared. The results did not show any significant difference between phase velocities o...

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Bibliographic Details
Main Authors: Mohammad ali Sadat nia, Ali akbar Enayati, Loeic Brancheriau, Kambiz Pourtahmasi, Farhang Honarparvar
Format: Article
Language:fas
Published: Regional Information Center for Science and Technology (RICeST) 2012-06-01
Series:تحقیقات علوم چوب و کاغذ ایران
Subjects:
Online Access:http://ijwpr.areeo.ac.ir/article_117069_c0e4a08a7913ced2a9f5f3fa610d1168.pdf