ࡱ> @B?q` R>bjbjqPqP2 ::>  K%*$$$$$$$$u&h($$  $% $ $   7?r " $%0K% * * *.$X r \& $$ K%  Title:Effect of dentin tubules to the mechanical properties of dentin. Part II: Experimental study Author(s): HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Huo+B&curr_doc=49/1&Form=FullRecordPage&doc=49/1" \o "one-click search" Huo B,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Zheng+QS&curr_doc=49/1&Form=FullRecordPage&doc=49/1" \o "one-click search" Zheng QS,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Zhang+Q&curr_doc=49/1&Form=FullRecordPage&doc=49/1" \o "one-click search" Zhang Q,  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=OneClickSearch&field=AU&val=Wang+JD&curr_doc=49/1&Form=FullRecordPage&doc=49/1" \o "one-click search" Wang JD Source:ACTA MECHANICA SINICA 16 (1): 75-82 FEB 2000 Document Type:Article Language:English  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=PagedCitedRefList&UT=000086126700011&doc=49/1&rec_id=114321986" Cited References: 9  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=DispCitingRec&doc=49/1&isickref=114321986" Times Cited: 4  HYPERLINK "http://wos15.isiknowledge.com/CIW.cgi?SID=Z2BpEl7c9GkG4GojDN9&Func=EasyRelated&UT=000086126700011&doc=49/1&rec_id=114321986"  INCLUDEPICTURE "http://images.isiknowledge.com/WoK3/Images/relrec.gif" \* MERGEFORMATINET  HYPERLINK ""  INCLUDEPICTURE "http://images.isiknowledge.com/WoK3/Images/info.gif" \* MERGEFORMATINET  Abstract:To verify the theoretical models of varying transversely isotropic stress-strain relations of dentin established in the preceding work (Part I), we perform a set of experiments. Because of the very fine tooth size, it usually seems to be difficult to directly measure the inhomogeneous and anisotropic parameters of dentin. In this paper, by the digital speckle correlation method, tensile experiments are made on the small dentin samples either parallel or perpendicular to the dentin tubules. With the theoretically predicted elastic stress-strain relations, an optimization method is proposed to fit the strain curve adapted to the experimental data. The results show that the theoretical elastic stress-strain relations coincides very well with the experimental observations. The determined Young's modulus and Poisson's ratio of dentin matrix are 29.5GPa and 0.44, respectively, in the optimization sense. Author Keywords:dentin; dentin tubule; anisotropy; stress-strain relations; experiments; digital speckle correlation KeyWords Plus:YOUNGS MODULUS Addresses:Huo B (reprint author), Tsing Hua Univ, Dept Engn Mech, Beijing, 100084 Peoples R China Tsing Hua Univ, Dept Engn Mech, Beijing, 100084 Peoples R China Beijing Med Univ, Coll Stomatol, Beijing, 100081 Peoples R China Publisher:CHINESE JOURNAL MECHANICS PRESS, 15 ZHONG-GUAN-CUN ST, BEIJING 100080, PEOPLES R CHINA Subject Category:ENGINEERING, MECHANICAL; MECHANICS IDS Number:298EQ ISSN:0567-7718 ceopq$ % * + - . g h o p r y z c d жККККiККiККiжКК,h(w\h(w\>*B*CJKHOJQJ^Jph2h(w\h(w\5>*B*CJKHOJQJ\^Jph6jh(w\h(w\B*CJKHOJQJU^JaJph3h(w\h(w\5B*CJKHOJQJ\^JaJph-h(w\h(w\B*CJKHOJQJ^JaJph/h(w\h(w\5B*CJKHOJQJ\^Jph)er k|,=>gd(w\ $1$a$gd(w\ $1$9Da$gd(w\>d u w x ~        efghikϳϳiiM6jh(w\h(w\B*CJKHOJQJU^JaJph-h(w\h(w\B*CJKHOJQJ^JaJph6jh(w\h(w\B*CJKHOJQJU^JaJph-h(w\h(w\B*CJKHOJQJ^JaJph6jh(w\h(w\B*CJKHOJQJU^JaJph,h(w\h(w\>*B*CJKHOJQJ^Jph2h(w\h(w\5>*B*CJKHOJQJ\^Jphkt|$,1=>h(w\hDo(-h(w\h(w\B*CJKHOJQJ^JaJph/h(w\h(w\5B*CJKHOJQJ\^Jph0182P. 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