A Study on Minimizing Welding Deformation of Joints for the Sealing of Emission After-Treatment Structure
As the environmental pollution issue has recently become significant, environmental regulations in Europe and the United States are being strengthened. Thus, there is a demand for the quality improvement of emission after-treatment systems to satisfy the strengthened environmental regulations. Reduc...
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2021
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oai:doaj.org-article:b436abc7c119435085e44b2c94af1dbd2021-11-25T18:15:32ZA Study on Minimizing Welding Deformation of Joints for the Sealing of Emission After-Treatment Structure10.3390/ma142269821996-1944https://doaj.org/article/b436abc7c119435085e44b2c94af1dbd2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/22/6982https://doaj.org/toc/1996-1944As the environmental pollution issue has recently become significant, environmental regulations in Europe and the United States are being strengthened. Thus, there is a demand for the quality improvement of emission after-treatment systems to satisfy the strengthened environmental regulations. Reducing the amount of welding heat distortion by optimization of the welding order of each part could be a solution for quality improvement since the emission after-treatment system consists of many parts and each assembly is produced by welding individual ones. In this research, a method to derive a welding sequence that effectively minimizes welding deformation was proposed. A two-stage simulation was performed to obtain the optimal welding sequence. In the first stage, the welding sequence was derived by analyzing the number of welding groups in each assembly of a structure. The derived welding sequence was verified by performing a thermal elasto-plastic analysis and comparing it with the experimental results.Sungwook KangWangho YunHwanjin KimJaewoong KimChangwook JiKwangjin LeeJaehwang KimHong-Lae JangKwangsan ChunMDPI AGarticlethermal elasto-plastic analysiswelding sequencemuffler structurefinite element methodwelding deformationTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6982, p 6982 (2021) |
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DOAJ |
| collection |
DOAJ |
| language |
EN |
| topic |
thermal elasto-plastic analysis welding sequence muffler structure finite element method welding deformation Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 |
| spellingShingle |
thermal elasto-plastic analysis welding sequence muffler structure finite element method welding deformation Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Sungwook Kang Wangho Yun Hwanjin Kim Jaewoong Kim Changwook Ji Kwangjin Lee Jaehwang Kim Hong-Lae Jang Kwangsan Chun A Study on Minimizing Welding Deformation of Joints for the Sealing of Emission After-Treatment Structure |
| description |
As the environmental pollution issue has recently become significant, environmental regulations in Europe and the United States are being strengthened. Thus, there is a demand for the quality improvement of emission after-treatment systems to satisfy the strengthened environmental regulations. Reducing the amount of welding heat distortion by optimization of the welding order of each part could be a solution for quality improvement since the emission after-treatment system consists of many parts and each assembly is produced by welding individual ones. In this research, a method to derive a welding sequence that effectively minimizes welding deformation was proposed. A two-stage simulation was performed to obtain the optimal welding sequence. In the first stage, the welding sequence was derived by analyzing the number of welding groups in each assembly of a structure. The derived welding sequence was verified by performing a thermal elasto-plastic analysis and comparing it with the experimental results. |
| format |
article |
| author |
Sungwook Kang Wangho Yun Hwanjin Kim Jaewoong Kim Changwook Ji Kwangjin Lee Jaehwang Kim Hong-Lae Jang Kwangsan Chun |
| author_facet |
Sungwook Kang Wangho Yun Hwanjin Kim Jaewoong Kim Changwook Ji Kwangjin Lee Jaehwang Kim Hong-Lae Jang Kwangsan Chun |
| author_sort |
Sungwook Kang |
| title |
A Study on Minimizing Welding Deformation of Joints for the Sealing of Emission After-Treatment Structure |
| title_short |
A Study on Minimizing Welding Deformation of Joints for the Sealing of Emission After-Treatment Structure |
| title_full |
A Study on Minimizing Welding Deformation of Joints for the Sealing of Emission After-Treatment Structure |
| title_fullStr |
A Study on Minimizing Welding Deformation of Joints for the Sealing of Emission After-Treatment Structure |
| title_full_unstemmed |
A Study on Minimizing Welding Deformation of Joints for the Sealing of Emission After-Treatment Structure |
| title_sort |
study on minimizing welding deformation of joints for the sealing of emission after-treatment structure |
| publisher |
MDPI AG |
| publishDate |
2021 |
| url |
https://doaj.org/article/b436abc7c119435085e44b2c94af1dbd |
| work_keys_str_mv |
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| _version_ |
1718411459825762304 |