Optimization of Nd:YAG Laser Welding Factors of Cold Rolled Strenx 700 CR Steel by Taguchi Method
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Tarih
2023
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
In this study, cold rolled Strenx 700 CR steel with a minimum yield strength of 700 MPa, which is typically used in load bearing structures to produce stronger and lighter structures, is butt welded with Nd:YAG laser welding. The effect of welding factors on tensile strength is investigated by using laser power rate (20%, 40% and 60%), pulse duration (2, 4 and 6 ms) and pulse frequency (3, 5 and 7 hz). By using Taguchi L9 orthogonal experimental design, the number of experiments, which should be 27 when full factorial, is reduced to 9 experiments. The tensile strength test results are optimized by the Taguchi method's larger is better control characteristic. The optimum test combination for maximum tensile strength is determined as A3B2C2 (60%-4 ms-5 hz). The effect of the welding factors on the tensile strength results is analyzed using the analysis of variance (ANOVA) method and it is found that the most effective factor is the laser power rate with 84.26%.
Açıklama
Anahtar Kelimeler
ANOVA, Optimization, Taguchi method, Nd:YAG laser welding, Strenx 700 CR steel
Kaynak
Çukurova Üniversitesi Mühendislik Fakültesi dergisi
WoS Q Değeri
Scopus Q Değeri
Cilt
38
Sayı
1
