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Optimization of laser parameters and dimple geometry using PCA-coupled gRG
ID Kandasamy Ganesan, Saravanan (Avtor), ID Thanigaivelan, Rajasekaran (Avtor)

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Izvleček
Stainless steel (SS316L) is applied in numerous fields due to its intrinsic properties. In this study, micro-dimples were fabricated on SS316L. The effects of laser process parameters, such as frequency, average power, and pulse duration, on the average dimple diameter, dimple distance, and dimple depth were studied using an L9 orthogonal array. The analysis of variance (ANOVA) and multi-objective optimization technique, principal-component-analysis-coupled grey relational grade (GRG), was used to optimize laser process parameters on output responses. The optimal machining parameter settings obtained for the highest GRG peak value of 0.2642 are 15 kHz (frequency), 12 W (average power), and 1500 ns (pulse duration). The ANOVA results showed that average power is the most influential factor, contributing 86.40 % to performance measures (average dimple diameter (%), dimple distance (d), and depth (l). Moreover, the effect of process parameters was studied using mean effect plots, and the micro-dimple quality was analysed using SEM micrographs.

Jezik:Angleški jezik
Ključne besede:lasers, micro-dimples, principal component analysis, grey relational grade, stainless steels
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2021
Št. strani:Str. 525-533
Številčenje:Vol. 67, no. 10
PID:20.500.12556/RUL-132547 Povezava se odpre v novem oknu
UDK:669.14.018.8:535
ISSN pri članku:0039-2480
DOI:10.5545/sv-jme.2021.7246 Povezava se odpre v novem oknu
COBISS.SI-ID:82700291 Povezava se odpre v novem oknu
Datum objave v RUL:28.10.2021
Število ogledov:1020
Število prenosov:147
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Gradivo je del revije

Naslov:Strojniški vestnik
Skrajšan naslov:Stroj. vestn.
Založnik:Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.
ISSN:0039-2480
COBISS.SI-ID:762116 Povezava se odpre v novem oknu

Sekundarni jezik

Jezik:Slovenski jezik
Naslov:Optimizacija parametrov laserske obdelave in geometrije jamic po kombinirani metodi PCA-GRG
Ključne besede:laserji, mikrojamice, analiza glavnih komponent, siva relacijska stopnja, nerjavna jekla

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