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Nano-indentation of cubic and tetrag...

University of Rochester.

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Nano-indentation of cubic and tetragonal single crystals.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Nano-indentation of cubic and tetragonal single crystals./
Author:	Zhang, Qin.
Description:	127 p.
Notes:	Adviser: John C. Lambropoulos.
Contained By:	Dissertation Abstracts International69-01B.
Subject:	Engineering, Mechanical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3300619
ISBN:	9780549452874

Nano-indentation of cubic and tetragonal single crystals.
Zhang, Qin.

Nano-indentation of cubic and tetragonal single crystals. - 127 p.

Adviser: John C. Lambropoulos.

Thesis (Ph.D.)--University of Rochester, 2008.

Due to the nature of their material properties, Calcium Fluoride (CaF2), Magnesium Fluoride (MgF2) and Potassium Dihydrogen Phosphate (KDP) are widely used for industrial purposes. A better understanding of the mechanical properties of these materials is of technological and scientific importance. The indentation nano-mechanical response of CaF 2 (cubic), MgF2 (tetragonal), and KDP (tetragonal) optical crystals were studied and compared by using nano-indentation tests and finite element simulation with a mesoplastic formulation. Appropriate values of material parameters were determined by correlating the load-displacement curves from numerical simulations with the corresponding experimental data. The effects of elastic anisotropy and crystallographic symmetry on the load-deflection curves, surface profiles, contact radius, hardness, stress distributions, and cleavage underneath the spherical indenter at two stages, namely at maximum indentation load and after the load has been removed were also examined.

ISBN: 9780549452874Subjects--Topical Terms:

783786
Engineering, Mechanical.

Nano-indentation of cubic and tetragonal single crystals.
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005 20100709
008 100709s2008 ||||||||||||||||| ||eng d
020 $a 9780549452874
035 $a (UMI)AAI3300619
035 $a AAI3300619
040 $a UMI $c UMI
100 1 $a Zhang, Qin. $3 1023583
245 1 0 $a Nano-indentation of cubic and tetragonal single crystals.
300 $a 127 p.
500 $a Adviser: John C. Lambropoulos.
500 $a Source: Dissertation Abstracts International, Volume: 69-01, Section: B, page: 0642.
502 $a Thesis (Ph.D.)--University of Rochester, 2008.
520 $a Due to the nature of their material properties, Calcium Fluoride (CaF2), Magnesium Fluoride (MgF2) and Potassium Dihydrogen Phosphate (KDP) are widely used for industrial purposes. A better understanding of the mechanical properties of these materials is of technological and scientific importance. The indentation nano-mechanical response of CaF 2 (cubic), MgF2 (tetragonal), and KDP (tetragonal) optical crystals were studied and compared by using nano-indentation tests and finite element simulation with a mesoplastic formulation. Appropriate values of material parameters were determined by correlating the load-displacement curves from numerical simulations with the corresponding experimental data. The effects of elastic anisotropy and crystallographic symmetry on the load-deflection curves, surface profiles, contact radius, hardness, stress distributions, and cleavage underneath the spherical indenter at two stages, namely at maximum indentation load and after the load has been removed were also examined.
590 $a School code: 0188.
650 4 $a Engineering, Mechanical. $3 783786
690 $a 0548
710 2 $a University of Rochester. $3 515736
773 0 $t Dissertation Abstracts International $g 69-01B.
790 $a 0188
790 1 0 $a Lambropoulos, John C., $e advisor
791 $a Ph.D.
792 $a 2008
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3300619