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Experimental study and modeling of laser induced surface damage dynamics on aluminum alloy containing zeolite / Osama Mostafa Ahmed Khalil ; Supervised Mohamed Abdelharith Mohamed

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Osama Mostafa Ahmed Khalil , 2014Description: 129 P. : charts , facsimiles ; 25cmOther title:
  • Zeolite دراسة تجريبية ونمذجة لديناميكية الإضرار المستحث باليزر لسطح سبيكة الومنيوم تحوى [Added title page title]
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Dissertation note: Thesis (Ph.D.) - Cairo University - National Institute of Laser Enhanced Sciences - Department of Laser Applications in environmental Metrology Photochemistry and Agriculture Summary: Aluminum alloys are important structural materials because of their high strength to weight ratio. Unfortunately, due to their high reflectivity and complexity in heat treatment, aluminum alloys are some of the hardest metals to be laser treated successfully and very high laser power is usually required. In the present work detailed study of the interaction of laser light with a special aluminum alloy (containing zeolite) compared with pure aluminum is presented. The inclusion of zeolite material inside the aluminum alloy gives the alloy expandable volume under compression. Three lasers have been used throughout the present study. An Nd:YAG laser (1064 nm), with pulse width in nanosecond scale, which has the maximum absorption coefficient with aluminum alloy, and two femtosecond lasers; Ti:sapphire laser source (800 nm), and Satsuma laser source (1030 nm). This makes it possible to study the effect of both the laser wavelength and the pulse duration on the interaction mechanisms as well as the LIBS analysis
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Item type Current library Home library Call number Copy number Status Date due Barcode
Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.24.05.Ph.D.2014.Os.E (Browse shelf(Opens below)) Not for loan 01010110065872000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.24.05.Ph.D.2014.Os.E (Browse shelf(Opens below)) 65872.CD Not for loan 01020110065872000

Thesis (Ph.D.) - Cairo University - National Institute of Laser Enhanced Sciences - Department of Laser Applications in environmental Metrology Photochemistry and Agriculture

Aluminum alloys are important structural materials because of their high strength to weight ratio. Unfortunately, due to their high reflectivity and complexity in heat treatment, aluminum alloys are some of the hardest metals to be laser treated successfully and very high laser power is usually required. In the present work detailed study of the interaction of laser light with a special aluminum alloy (containing zeolite) compared with pure aluminum is presented. The inclusion of zeolite material inside the aluminum alloy gives the alloy expandable volume under compression. Three lasers have been used throughout the present study. An Nd:YAG laser (1064 nm), with pulse width in nanosecond scale, which has the maximum absorption coefficient with aluminum alloy, and two femtosecond lasers; Ti:sapphire laser source (800 nm), and Satsuma laser source (1030 nm). This makes it possible to study the effect of both the laser wavelength and the pulse duration on the interaction mechanisms as well as the LIBS analysis

Issued also as CD

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