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  Citation Number 4
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 Downloands 1
Lazer Kaynaklı HSLA Sac Malzemelerde Geri Esnemenin Deneysel Araştırılması
2019
Journal:  
Avrupa Bilim ve Teknoloji Dergisi
Author:  
Abstract:

Bu çalışmada farklı güç parametrelerinde lazer kaynağı ile birleştirilen HSLA300 sac malzemelerin bükülme operasyonu sonrası geri esneme davranışına etki eden parametreler deneysel araştırılmıştır. Kaynak parametresi olarak kaynak gücü (1300, 1400 ve 1500 watt), proses parametresi olarak da kalıp açısı (15, 30, 45, 60 ve 75 derece) ve ütüleme süresi (0, 10 ve 20 saniye) deney parametreleri olarak belirlenmiştir. Kaynaklı numunelerde kaynak bölgesindeki ani soğumaya bağlı olarak yüksek miktarda martenzit fazı gözlemlenmiştir. Ancak kaynak gücünün artmasıyla birlikte HSLA yapısındaki karbon ve mangan miktarının az olmasından dolayı sertlik miktarında ve geri esneme açısında azalma meydana gelmiştir. Deneysel çalışmalarda da lazer kaynak gücünün 100 watt artmasıyla geri esneme açısının ortalama 0,15 derece azaldığı gözlenmiştir. Kalıp açısındaki 15 dereceden 45 derece açıya kadar olan artışın bükme operasyonlarında geri esneme açısını ortalama 0,14 derece arttırdığı, 45 derece açıdan 75 derece açıya kadar artışın bükme operasyonlarında geri esneme açısını ortalama 0,52 derece azalttığı gözlemlenmiştir. Ütüleme süresinin 10 saniye artmasıyla geri esneme açısının ortalama 0,14 derece azaldığı belirlenmiştir.

Keywords:

Experimental research of laser-based HSLA Sac resuscitation in materials
2019
Author:  
Abstract:

In this study, the parameters that influence the rebound behavior of the HSLA300 sac materials combined with the laser source in different power parameters have been experimentally studied. As a source parameter, the source power (1300, 1400 and 1500 watt), the process parameter is also determined as the modeling angle (15, 30, 45, 60 and 75 degrees) and the stretching time (0, 10 and 20 seconds) as the test parameters. A high amount of martensite phase has been observed due to sudden cooling in the source area in the source samples. However, with the increase in source power, the reduction in hardness and rebound has occurred due to the low amount of carbon and manganese in the HSLA structure. Experimental studies also observed that with the increase in the laser power of 100 watt, the rebound angle was reduced by an average of 0.15 degrees. The increase in the shape angle from 15 degrees to 45 degrees has been observed by an average of 0.14 degrees increasing the rebound angle in the swing operations, the increase from 45 degrees to 75 degrees reducing the rebound angle in the swing operations by an average of 0.52 degrees. With the increase of 10 seconds in the swelling time, the swelling angle has been reduced by an average of 0.14 degrees.

Keywords:

The Experimental Investigation Of Springback In Laser Welded Hsla Sheet Materials
2019
Author:  
Abstract:

In this study, the parameters that affect the springback behavior of HSLA300 sheet materials bonded with laser welding at different power parameters were investigated experimentally. Welding parameters (1300, 1400 and 1500 watts), die angle (15, 30, 45, 60 and 75 degrees) and holding time (0, 10 and 20 seconds) were determined as test parameters. A high amount of martensite phase was observed in welded samples due to sudden cooling in the weld zone. However, as the welding power increased, the amount of carbon and manganese in the HSLA structure was reduced, resulting in a decrease in the hardness amount and the bending angle. In experimental studies, it was observed that the springback angle decreased by 0.15 degrees with an increase of 100 watts of laser welding power. It has been observed that the increase in the die angle from 15 degrees to 45 degrees increases the bending angle in the bending operations by an average of 0.14 degrees. It was determined that the springback angle decreased by 0.14 degrees with an increase of 10 seconds holding time.

Keywords:

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Avrupa Bilim ve Teknoloji Dergisi

Field :   Fen Bilimleri ve Matematik; Mühendislik

Journal Type :   Uluslararası

Metrics
Article : 3.175
Cite : 5.581
2023 Impact : 0.178
Avrupa Bilim ve Teknoloji Dergisi