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Finite Element Modeling of Nanosecon...

Matura, Max C.,

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Finite Element Modeling of Nanosecond and Femtosecond Laser Peening of Ti-6Al-4V /

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Finite Element Modeling of Nanosecond and Femtosecond Laser Peening of Ti-6Al-4V // Max C Matura.
作者:	Matura, Max C.,
面頁冊數:	1 electronic resource (61 pages)
附註:	Source: Masters Abstracts International, Volume: 86-05.
Contained By:	Masters Abstracts International86-05.
標題:	Mechanical engineering. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31556598
ISBN:	9798346723776

Finite Element Modeling of Nanosecond and Femtosecond Laser Peening of Ti-6Al-4V /
Matura, Max C.,

Finite Element Modeling of Nanosecond and Femtosecond Laser Peening of Ti-6Al-4V /Max C Matura. - 1 electronic resource (61 pages)

Source: Masters Abstracts International, Volume: 86-05.

Ti-6Al-4V is the most commonly used titanium alloy in aerospace, automotive, and biomedical industries because of its excellent strength, low modulus of elasticity, high corrosion resistance, good weldability and heat treatability. In this study, numerical investigation is conducted to assess the effect of pulse energy level and operating temperature on residual stress induced on Ti6Al-4V workpiece during nanosecond laser shock peening with varying laser pulse widths and boundary conditions. The commercial FEM software package ABAQUS is employed to conduct FEM simulation of single shot and multishot nanosecond and femtosecond laser peening of Ti-6Al-4V. Totally, eight nanosecond laser pulse energy levels are selected. The FEM model for laser peening can provide insightful guidance for selecting optimal peening parameters and operating temperatures. In addition, this research was expanded to include simulation of femtosecond laser shock peening analysis which aimed to study the effects of preheating and varied laser operating parameters on residual stress magnitude and depth on a 3D Ti-6Al-4V workpiece. Fortran subroutines VDLOAD and DFLUX were employed in conjunction with the research version of ABAQUS in order to simulate preheating and multishot FLSP material treatments. It was discovered that a positive correlation between FLSP energy level and residual stress magnitude exists, along with a positive correlation between FLSP pulse time, preheating temperature and residual stress penetration depth exist in FLSP material treatments.

English

ISBN: 9798346723776Subjects--Topical Terms:

649730
Mechanical engineering.
Subjects--Index Terms:

Abaqus

Finite Element Modeling of Nanosecond and Femtosecond Laser Peening of Ti-6Al-4V /
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245 1 0 $a Finite Element Modeling of Nanosecond and Femtosecond Laser Peening of Ti-6Al-4V / $c Max C Matura.
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300 $a 1 electronic resource (61 pages)
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500 $a Source: Masters Abstracts International, Volume: 86-05.
500 $a Advisors: Ma, Jeff Committee members: Lei, Shuting; Jahan, Muhammad; Kuljanishvili, Irma.
502 $b M.S. $c Saint Louis University $d 2024.
520 $a Ti-6Al-4V is the most commonly used titanium alloy in aerospace, automotive, and biomedical industries because of its excellent strength, low modulus of elasticity, high corrosion resistance, good weldability and heat treatability. In this study, numerical investigation is conducted to assess the effect of pulse energy level and operating temperature on residual stress induced on Ti6Al-4V workpiece during nanosecond laser shock peening with varying laser pulse widths and boundary conditions. The commercial FEM software package ABAQUS is employed to conduct FEM simulation of single shot and multishot nanosecond and femtosecond laser peening of Ti-6Al-4V. Totally, eight nanosecond laser pulse energy levels are selected. The FEM model for laser peening can provide insightful guidance for selecting optimal peening parameters and operating temperatures. In addition, this research was expanded to include simulation of femtosecond laser shock peening analysis which aimed to study the effects of preheating and varied laser operating parameters on residual stress magnitude and depth on a 3D Ti-6Al-4V workpiece. Fortran subroutines VDLOAD and DFLUX were employed in conjunction with the research version of ABAQUS in order to simulate preheating and multishot FLSP material treatments. It was discovered that a positive correlation between FLSP energy level and residual stress magnitude exists, along with a positive correlation between FLSP pulse time, preheating temperature and residual stress penetration depth exist in FLSP material treatments.
546 $a English
590 $a School code: 0193
650 4 $a Mechanical engineering. $3 649730
650 4 $a High temperature physics. $3 3192580
650 4 $a Materials science. $3 543314
650 4 $a Aerospace engineering. $3 1002622
653 $a Abaqus
653 $a Femtosecond
653 $a Laser
653 $a Peening
653 $a Shock
653 $a Ti-6al-4v
690 $a 0548
690 $a 0794
690 $a 0597
690 $a 0538
710 2 $a Saint Louis University. $b Engineering. $e degree granting institution. $3 3829689
720 1 $a Ma, Jeff $e degree supervisor.
773 0 $t Masters Abstracts International $g 86-05.
790 $a 0193
791 $a M.S.
792 $a 2024
856 4 0 $u https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31556598