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Understanding microindentation in bone.

Johnson, Wesley Martin.

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Understanding microindentation in bone.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Understanding microindentation in bone./
作者:	Johnson, Wesley Martin.
面頁冊數:	111 p.
附註:	Source: Dissertation Abstracts International, Volume: 64-07, Section: B, page: 3387.
Contained By:	Dissertation Abstracts International64-07B.
標題:	Engineering, Biomedical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3095097

Understanding microindentation in bone.
Johnson, Wesley Martin.

Understanding microindentation in bone. - 111 p.

Source: Dissertation Abstracts International, Volume: 64-07, Section: B, page: 3387.

Thesis (Ph.D.)--University of Florida, 2003.

The objective of my research was to improve understanding of microindentation in bone. Pursuit of that objective required that I: investigate the capability and limitations of a microindentation tool; investigate the tool effect on the bone surface; and apply the tool to derive hardness and elastic moduli of bone using the elastic recovery method (ERM).Subjects--Topical Terms:

1017684
Engineering, Biomedical.

Understanding microindentation in bone.
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245 1 0 $a Understanding microindentation in bone.
300 $a 111 p.
500 $a Source: Dissertation Abstracts International, Volume: 64-07, Section: B, page: 3387.
500 $a Chair: Andrew J. Rapoff.
502 $a Thesis (Ph.D.)--University of Florida, 2003.
520 $a The objective of my research was to improve understanding of microindentation in bone. Pursuit of that objective required that I: investigate the capability and limitations of a microindentation tool; investigate the tool effect on the bone surface; and apply the tool to derive hardness and elastic moduli of bone using the elastic recovery method (ERM).
520 $a Microindentation hardness results were found to be sensitive to selection of applied mass on the tool. The previous value of minimum applied mass for bone (0.05 kg) was found to be too low and was replaced with a new value (0.1 kg).
520 $a Observation of the post indentation affected region on the bone surface found differential elastic recovery between wet-indented and dry-indented specimens. Using a simple series spring model, an estimate of the wet-indented recovered material elastic modulus resulted in a value of about 1 GPa. Additionally, an estimate was made of bone fracture toughness using a novel method through scanning electron microscopy.
520 $a The ERM, for deriving elastic modulus, was adapted from the materials' community for its first use in bone. It was applied, with a coordinate transformation process, to map elastic moduli and principal material direction along the mediolateral midline of a natural hole (foramen) in bone. The ERM based process detected the cortical to trabecular bone transition zone in the specimen. ERM based longitudinal elastic modulus results, over the initial distance from the foramen edge, compared favorably with correlation method (CM) derived elastic modulus map.
590 $a School code: 0070.
650 4 $a Engineering, Biomedical. $3 1017684
650 4 $a Biophysics, Medical. $3 1017681
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710 2 0 $a University of Florida. $3 718949
773 0 $t Dissertation Abstracts International $g 64-07B.
790 1 0 $a Rapoff, Andrew J., $e advisor
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791 $a Ph.D.
792 $a 2003
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