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Development of a temperature depende...

Sooklal, Valmiki Kendall.

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Development of a temperature dependent, non-linear cohesive zone model for laser induced fracture.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Development of a temperature dependent, non-linear cohesive zone model for laser induced fracture./
Author:	Sooklal, Valmiki Kendall.
Description:	115 p.
Notes:	Adviser: Michael C. Larson.
Contained By:	Dissertation Abstracts International68-07B.
Subject:	Applied Mechanics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3258272
ISBN:	9780549118633

Development of a temperature dependent, non-linear cohesive zone model for laser induced fracture.
Sooklal, Valmiki Kendall.

Development of a temperature dependent, non-linear cohesive zone model for laser induced fracture. - 115 p.

Adviser: Michael C. Larson.

Thesis (Ph.D.)--Tulane University School of Science and Engineering, 2007.

Within recent times there has been much interest generated in the area of high powered lasers and their interaction with materials. As a result, lasers are very well characterized for their industrial applications. However, when materials are subjected to intense levels of laser radiation beyond the range for controlled processing operations, complicated physical and mechanical phenomenon such as melting, vaporization, and electro-dissociation can occur. Failure prediction under such extreme loading conditions becomes an increasingly difficult task due to the rapid deposition of energy that occurs within the heat affected zone.

ISBN: 9780549118633Subjects--Topical Terms:

1018410
Applied Mechanics.

Development of a temperature dependent, non-linear cohesive zone model for laser induced fracture.
LDR:02152nam 2200289 a 45 001 954986
005 20110622
008 110622s2007 ||||||||||||||||| ||eng d
020 $a 9780549118633
035 $a (UMI)AAI3258272
035 $a AAI3258272
040 $a UMI $c UMI
100 1 $a Sooklal, Valmiki Kendall. $3 1278449
245 1 0 $a Development of a temperature dependent, non-linear cohesive zone model for laser induced fracture.
300 $a 115 p.
500 $a Adviser: Michael C. Larson.
500 $a Source: Dissertation Abstracts International, Volume: 68-07, Section: B, page: 4789.
502 $a Thesis (Ph.D.)--Tulane University School of Science and Engineering, 2007.
520 $a Within recent times there has been much interest generated in the area of high powered lasers and their interaction with materials. As a result, lasers are very well characterized for their industrial applications. However, when materials are subjected to intense levels of laser radiation beyond the range for controlled processing operations, complicated physical and mechanical phenomenon such as melting, vaporization, and electro-dissociation can occur. Failure prediction under such extreme loading conditions becomes an increasingly difficult task due to the rapid deposition of energy that occurs within the heat affected zone.
520 $a A cohesive zone model is developed to simulate the effects of laser irradiation on aluminum specimens that are simultaneously subjected to displacement controlled loading. However, the current interface cohesive element formulation is only applicable under isothermal conditions. In order to make these elements temperature dependent, a technique is developed in this study that allows the key parameters used in the constitutive model for defining the response of these cohesive elements, to be calibrated for the thermal field induced by a high powered CO2 laser.
590 $a School code: 0494.
650 4 $a Applied Mechanics. $3 1018410
650 4 $a Engineering, Mechanical. $3 783786
690 $a 0346
690 $a 0548
710 2 $a Tulane University School of Science and Engineering. $3 1019161
773 0 $t Dissertation Abstracts International $g 68-07B.
790 $a 0494
790 1 0 $a Larson, Michael C., $e advisor
791 $a Ph.D.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3258272