2024
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1. |
Ha, Taekwang; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. Smart Control of Springback in Stretch Bending of a Rectangular Tube by an Artificial Neural Network. Journal of Manufacturing Science and Engineering 2024 NTNU
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2. |
Sariyarlioglu, Eren Can; Negozio, Marco; Welo, Torgeir; Ma, Jun. Charge weld evolution in hollow aluminum extrusion: Experiments and modeling. CIRP - Journal of Manufacturing Science and Technology 2024 ;Volum 49. s. 14-27 NTNU
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2023
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3. |
Filipovic, Andy Mattulat; Welo, Torgeir; Willumsen, Pelle; Oehmen, Josef. UNCERTAINTY MANAGEMENT IN PRODUCT DEVELOPMENT PORTFOLIOS: THE IMPACT OF GLOBAL SUSTAINABILITY AGENDAS. Proceedings of the Design Society 2023 ;Volum 3. s. 3681-3690 NTNU
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4. |
Ha, Taekwang; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. On Kinematics in Sequential Three-Dimensional Stretch Bending: Analytical Springback Model. International Manufacturing Science and Engineering Conference (MSEC 2023); 2023-06-12 - 2023-06-13 NTNU
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5. |
Ha, Taekwang; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. On Kinematics in Sequential Three-Dimensional Stretch Bending: Analytical Springback Model. Journal of Manufacturing Science and Engineering 2023 ;Volum 145.(7) s. - NTNU
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6. |
Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. Prediction and analysis of real-time forces in novel 3D flexible rotary stretch forming of complex profiles. CIRP - Journal of Manufacturing Science and Technology 2023 ;Volum 43. s. 158-169 NTNU
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7. |
Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. Towards Control of Springback Variability in Novel Flexible Stretch Forming of Aluminium Extrusions. The 14th International Conference on the Technology of Plasticity; 2023-09-24 - 2023-09-29 NTNU
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8. |
Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. Towards Control of Springback Variability in Novel Flexible Stretch Forming of Aluminium Extrusions. Springer Nature 2023 (ISBN 978-3-031-42093-1) 11 s. NTNU
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9. |
Ma, Jun; Welo, Torgeir. Intelligent flexible forming technology for value-added aluminium extrusion products in EV applications. The 7th Chinese-Norwegian Symposium on Light Metals & New Energy Materials; 2023-10-07 - 2023-10-19 NTNU
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10. |
Mostafayi Darmian, Sobhan; Sgarbossa, Fabio; Welo, Torgeir. Integrating Closed-Loop Supply Chain Design-Planning into Product Development: A Systematic Literature Review. I: Advances in Production Management Systems. Production Management Systems for Responsible Manufacturing, Service, and Logistics Futures IFIP WG 5.7 International Conference, APMS 2023, Trondheim, Norway, September 17–21, 2023, Proceedings, Part IV. Springer 2023 ISBN 978-3-031-43688-8. s. 577-592 NTNU
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11. |
Ringen, Geir; Sandnes, Lise; Welo, Torgeir; Rolle, R.. The effect of gap variations on the quality of thick-walled FSW joints. The 12th Aluminium Two Thousand World Congress; 2023-09-18 - 2023-09-22 NTNU
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12. |
Sariyarlioglu, Eren Can; Negozio, Marco; Ma, Jun; Welo, Torgeir; Ringen, Geir. Effect of Die Design on Charge Welds in Aluminium Extrusion. The 14th International Conference on the Technology of Plasticity; 2023-09-24 - 2023-09-29 NTNU
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13. |
Sariyarlioglu, Eren Can; Negozio, Marco; Ma, Jun; Welo, Torgeir; Ringen, Geir. Effect of Die Design on Charge Welds in Aluminium Extrusion. Springer 2023 (ISBN 978-3-031-41022-2) 11 s. NTNU
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14. |
Sarkar, Aritra; Razavi, Nima; Ringen, Geir; Welo, Torgeir. Assessing the fatigue behaviour of recycled Al-alloys: A critical review. Materialia 2023 ;Volum 32. NTNU
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15. |
Synnes, Elisabeth Lervåg; Welo, Torgeir. Data-driven product optimization capabilities to enhance sustainability and environmental compliance in a marine manufacturing context. Concurrent Engineering: Research and Applications (CERA) 2023 ;Volum 31.(3-4) s. 113-125 NTNU
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16. |
Tronvoll, Sigmund Arntsønn; Treffen, Helena; Ma, Jun; Welo, Torgeir. Low-cost tooling concept for customized tube bending by the use of additive manufacturing. Materials Research Proceedings (MRP) 2023 ;Volum 28. s. 969-976 NTNU
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17. |
Tronvoll, Sigmund Arntsønn; Treffen, Helena; Ma, Jun; Welo, Torgeir. Low-cost tooling concept for customized tube bending by the use of additive manufacturing. The 26th International Esaform Conference (ESAFORM2023); 2023-04-18 - 2023-04-21 NTNU
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18. |
Welo, Torgeir; Ringen, Geir. Factors impacting implementation of Lean in Engineering. Lean Six Sigma World Conference; 2023-03-15 - 2023-03-16 NTNU
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19. |
Williams, William Matthew; Sandnes, Lise; Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. Yield Stress and Work Hardening Behavior of Extruded AA6082 Profiles under Different Homogenization and Extrusion Conditions. The 26th International Esaform Conference (ESAFORM2023); 2023-04-19 - 2023-04-21 NTNU
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20. |
Williams, William Matthew; Sandnes, Lise; Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. Yield stress and work hardening behavior of extruded AA6082 profiles under different homogenization and extrusion conditions. Materials Research Proceedings (MRP) 2023 ;Volum 28. s. 467-476 NTNU
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21. |
Zhou, Xianyan; Ma, Jun; Zhou, Wenbin; Welo, Torgeir. Forming-based geometric correction methods for thin-walled metallic components: a selective review. The International Journal of Advanced Manufacturing Technology 2023 ;Volum 128. s. 17-39 NTNU
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2022
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22. |
He, Xu; Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. In-Process Monitoring of Springback in Industrial Bending Using a Laser Sensor-Based Method. 25th International Conference on Material Forming; 2022-04-27 - 2022-04-29 NTNU
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23. |
He, Xu; Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir. In-Process Monitoring of Springback in Industrial Bending Using a Laser Sensor-Based Method. Key Engineering Materials 2022 ;Volum 926. s. 2266-2274 NTNU
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24. |
He, Xu; Ma, Jun; Welo, Torgeir. Strain distribution at the transition from bent to unbent regions in tube rotary draw bending: an in-situ, real-time measurement study. IOP Conference Series: Materials Science and Engineering 2022 ;Volum 1270. s. - NTNU
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25. |
He, Xu; Ma, Jun; Welo, Torgeir. Strain distribution at the transition from bent to unbent regions in tube rotary draw bending: an in-situ, real-time measurement study. The 19th International Conference on Metal Forming; 2022-09-11 - 2022-09-14 NTNU
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26. |
Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir; Ringen, Geir. On Dimensional Control in Rotary Stretch Bending of Aluminum Profiles: Loading-Path Effects. Manufacturing Letters 2022 ;Volum 33. s. 242-248 NTNU
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27. |
Ringen, Geir; Welo, Torgeir. Framework for Predicting Dimensional Accuracy of 3D-Formed Aluminum Profiles – Based on Industry 4.0 Principles. ET22 - Aluminum Extruders Council; 2022-05-03 - 2022-05-05 NTNU
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28. |
Ringen, Geir; Welo, Torgeir; Breivik, Sissel Marie. Rapid Manufacturing of Die-casting Tools - a Case Study. Procedia CIRP 2022 ;Volum 107. s. 1565-1570 NTNU
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29. |
Shafqat, Ali; Oehmen, Josef; Welo, Torgeir; Ringen, Geir. The role of risk mitigation actions in engineering projects: An empirical investigation. Systems Engineering 2022 ;Volum 25.(6) s. 584-608 NTNU
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30. |
Synnes, Elisabeth Lervåg; Welo, Torgeir. Using Lean to Transform the Product Development Process in a Marine Company: A Case Study. Procedia CIRP 2022 ;Volum 109. s. 623-628 NTNU
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31. |
Tronvoll, Sigmund Arntsønn; Blindheim, Jørgen; Ma, Jun; Welo, Torgeir. A new, flexible tool concept for rotary die stretch bending. Manufacturing Letters 2022 ;Volum 33. s. 226-231 NTNU
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32. |
Tronvoll, Sigmund Arntsønn; Ma, Jun; Welo, Torgeir. Deformation behavior in tube bending: a comparative study of compression bending and rotary draw bending. The International Journal of Advanced Manufacturing Technology 2022 ;Volum 124. s. 801-816 NTNU
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33. |
Wang, Xintong; Ma, Jun; Welo, Torgeir. Influence of deformation prior to ageing on fatigue behavior of extruded AA6082-T6 profiles. International Journal of Fatigue 2022 ;Volum 162. s. 1-13 NTNU
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34. |
Zhou, Xianyan; Ma, Jun; Welo, Torgeir. Numerical Analyses of Deformation Mechanisms in a Novel Dimensional Calibration Technique for Thin-Walled, Open Extrusions. 25th International Conference on Material Forming; 2022-04-26 - 2022-04-29 NTNU
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35. |
Zhou, Xianyan; Ma, Jun; Welo, Torgeir. Numerical Analyses of Deformation Mechanisms in a Novel Dimensional Calibration Technique for Thin-Walled, Open Extrusions. Key Engineering Materials 2022 ;Volum 926. s. 1802-1808 NTNU
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2021
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36. |
Erichsen, Jorgen Falck; Sjöman, Heikki; Steinert, Martin; Welo, Torgeir. Protobooth: Gathering and analyzing data on prototyping in early-stage engineering design projects by digitally capturing physical prototypes. Artificial intelligence for engineering design, analysis and manufacturing 2021 ;Volum 35.(1) s. 65-80 NTNU
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37. |
Ha, Taekwang; Ma, Jun; Blindheim, Jørgen; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. A computer vision-based, in-situ springback monitoring technique for bending of large profiles. 24th International Conference on Material Forming; 2021-04-14 - 2021-04-16 NTNU
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38. |
Ha, Taekwang; Welo, Torgeir; Ringen, Geir; Wang, Jyhwen. A strategy for on-machine springback measurement in rotary draw bending using digital image-based laser tracking. The International Journal of Advanced Manufacturing Technology 2021 ;Volum 119. s. 705-718 NTNU
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39. |
Hansen, Irina-Emily; Mork, Ola Jon; Welo, Torgeir; Ringen, Geir. Bridging the ‘Valley of Death’: Can Agile Principles Be Applied in Industry-Academia Research and Innovation Projects?. Journal of the Knowledge Economy 2021 s. - NTNU
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40. |
Ma, Jun; Li, H; Chen, GY; Welo, Torgeir; Li, GJ. Machine Learning (ML)-Based Prediction and Compensation of Springback for Tube Bending. I: Forming the Future - Proceedings of the 13th International Conference on the Technology of Plasticity. Springer 2021 ISBN 978-3-030-75381-8. s. 167-178 NTNU
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41. |
Ma, Jun; Li, H; Chen, GY; Welo, Torgeir; Li, GJ. Machine learning (ML)-based prediction and compensation of springback for tube bending. The 13th International Conference on the Technology of Plasticity (ICTP 2021); 2021-07-25 - 2021-07-30 NTNU
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42. |
Ma, Jun; Tronvoll, Sigmund Arntsønn; Welo, Torgeir; Ringen, Geir. On Dimensional Control in Rotary Stretch Bending of Aluminum Profiles: Loading-Path Effects. 50th SME North American Manufacturing Research Conference (NAMRC 50, 2022); 2021-06-27 - 2021-07-01 NTNU
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43. |
Ma, Jun; Welo, Torgeir. Analytical springback assessment in flexible stretch bending of complex shapes. International journal of machine tools & manufacture 2021 ;Volum 160. s. 1-19 NTNU
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44. |
Ma, Jun; Welo, Torgeir; Blindheim, Jørgen; Ha, Taekwang. Effect of Stretching on Springback in Rotary Stretch Bending of Aluminium Alloy Profiles. Key Engineering Materials 2021 ;Volum 883. s. 175-180 NTNU
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45. |
Ma, Jun; Welo, Torgeir; Ringen, Geir. Efficient Prediction of Real-Time Forming Forces in Flexible Stretch Bending. 24th International Conference on Material Forming; 2021-04-14 - 2021-04-16 NTNU
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46. |
Ma, Jun; Welo, Torgeir; Wan, Di. The impact of thermo-mechanical processing routes on product quality in integrated aluminium tube bending process. Journal of Manufacturing Processes 2021 ;Volum 67. s. 503-512 NTNU
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47. |
Ringen, Geir; Welo, Torgeir. Material substitution innovation - trajectories towards circular economy. XXXII ISPIM Innovation Conference - Innovating Our Common Future; 2021-06-20 - 2021-06-23 NTNU
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48. |
Ringen, Geir; Welo, Torgeir. Material substitution innovation - trajectories towards circular economy. I: Proceedings on the 2021 ISPIM innovation conference : Innovating our common future. ISPIM Lappeenranta University of Technology Press 2021 ISBN 9789523354678. NTNU
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49. |
Sandnes, Lise; Welo, Torgeir; Grong, Øystein; Berto, Filippo. On the fatigue properties of a third generation aluminium-steel butt weld made by hybrid metal extrusion & bonding (HYB). International Journal of Fatigue 2021 ;Volum 155. s. - NTNU
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50. |
Shafqat, A.; Oehmen, Josef; Welo, Torgeir. Planning unplanned design iterations using risk management and learning strategies. Journal of engineering design 2021 ;Volum 33.(2) s. 120-143 NTNU
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