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Mode I critical stress intensity factor of wood and medium-density fiberboard measured by compact tension test
-
Hiroshi Yoshihara
and
Ami Usuki
Published/Copyright:
April 6, 2011
Abstract
The critical stress intensity factor of mode I (KIc) obtained by compact tension (CT) tests of wood and medium-density fiberboard (MDF) was experimentally and numerically analyzed. A double cantilever beam (DCB) test was also conducted and the results were compared with those of the CT tests. Similar to the results of single-edge-notched bending (SENB) and single-edge-notched tension (SENT) tests previously conducted, the value of KIc was obtained properly from the CT test when an additional crack length was taken into account.
Keywords: additional crack length; compact tension test (CT); critical stress intensity factor of mode I; double cantilever beam test (DCB); finite element analysis (FEA); medium-density fiberboard (MDF); western hemlock
Received: 2010-11-9
Accepted: 2011-2-14
Published Online: 2011-04-06
Published Online: 2011-04-6
Published in Print: 2011-08-01
©2011 by Walter de Gruyter Berlin Boston
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