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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.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Nano-indentation of cubic and tetragonal single crystals./
作者:	Zhang, Qin.
面頁冊數:	127 p.
附註:	Adviser: John C. Lambropoulos.
Contained By:	Dissertation Abstracts International69-01B.
標題:	Engineering, Mechanical. -
電子資源:	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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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.
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650 4 $a Engineering, Mechanical. $3 783786
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