Acoustic signature measurement to identify laser-induced breakdown in water during laser shock peening

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F25%3A00641940" target="_blank" >RIV/68378271:_____/25:00641940 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68407700:21220/25:00384261 RIV/68407700:21340/25:00384261

Výsledek na webu

<a href="https://hdl.handle.net/11104/0372119" target="_blank" >https://hdl.handle.net/11104/0372119</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.2961/jlmn.2025.02.2007" target="_blank" >10.2961/jlmn.2025.02.2007</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Acoustic signature measurement to identify laser-induced breakdown in water during laser shock peening

Popis výsledku v původním jazyce

A prevalent non-destructive evaluation method for identifying and analyzing the acoustic waves produced by material deformation and damage is acoustic emission monitoring. In this work, laser shock peening was used in conjunction with acoustic emission monitoring. To determine the acoustic event of laser-induced breakdown in water, the acoustic signals were analyzed. To attain the required compressive residual stresses and prevent undesirable damage, the acoustic emission signals can also be utilized to optimize the laser shock peening parameters, such as the laser energy and spot size. Thus, to investigate the possibilities of acoustic emission monitoring as a tool for the in-situ characterization of laser shock peening, offering insights into the underlying physical processes and help improving the quality of the treated parts. It was found that the plasma breakdown during the laser shock peening intensely hinders the performance as a compressive residual stress on the surface were observed halved (from –216 MPa to –82 MPa) when comparing the setups with and without the plasma breakdown. Thus, by utilizing the acoustic signals the harmful laser-induced breakdown can be detected and optimizing it can enhance process efficacy.

Název v anglickém jazyce

Acoustic signature measurement to identify laser-induced breakdown in water during laser shock peening

Popis výsledku anglicky

A prevalent non-destructive evaluation method for identifying and analyzing the acoustic waves produced by material deformation and damage is acoustic emission monitoring. In this work, laser shock peening was used in conjunction with acoustic emission monitoring. To determine the acoustic event of laser-induced breakdown in water, the acoustic signals were analyzed. To attain the required compressive residual stresses and prevent undesirable damage, the acoustic emission signals can also be utilized to optimize the laser shock peening parameters, such as the laser energy and spot size. Thus, to investigate the possibilities of acoustic emission monitoring as a tool for the in-situ characterization of laser shock peening, offering insights into the underlying physical processes and help improving the quality of the treated parts. It was found that the plasma breakdown during the laser shock peening intensely hinders the performance as a compressive residual stress on the surface were observed halved (from –216 MPa to –82 MPa) when comparing the setups with and without the plasma breakdown. Thus, by utilizing the acoustic signals the harmful laser-induced breakdown can be detected and optimizing it can enhance process efficacy.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10306 - Optics (including laser optics and quantum optics)

Projekt

<a href="/cs/project/EH22_008%2F0004573" target="_blank" >EH22_008/0004573: Průlomové laserové technologie pro chytrou výrobu, vesmírné a biotechnologické aplikace</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Laser Micro Nanoengineering

ISSN

1880-0688

e-ISSN

1880-0688

Svazek periodika

20

Číslo periodika v rámci svazku

2

Stát vydavatele periodika

JP - Japonsko

Počet stran výsledku

7

Strana od-do

139-145

Kód UT WoS článku

001572164100007

EID výsledku v databázi Scopus

2-s2.0-105015730452