A new methodology for detecting localized necking using digital infrared thermography in metal sheets

1. Plastic instability and fracture in sheet stretched over rigid punches

2. Application of strain analysis to sheet metal forming problems in the press shop

3. 2008

4. A suitable criterion for precise determination of incipient necking in sheet materials10.4028/www.scientific.net/MSF.519-521.111 ↗

5. Determination of forming limit diagrams of sheet materials with a hybrid experimental–numerical approach10.1016/j.ijmecsci.2011.06.003 ↗

6. Characterization of yielding behaviour of sheet metal under biaxial stress condition at elevated temperature10.1016/j.cirp.2008.03.032 ↗

7. Time dependent determination of forming limit diagrams10.1016/j.cirp.2010.03.001 ↗

8. New algorithm for a robust user-independent evaluation of beginning instability for the experimental FLC determination10.1007/s12289-010-1012-9 ↗

9. New approaches to detect the onset of localized necking in sheets under through-thickness strain gradients10.1016/j.matdes.2014.01.012 ↗

10. A strain acceleration method to identify the onset of diffuse necking

11. A method of detecting the onset of localized necking based on surface geometry measurements10.1007/s11340-016-0232-4 ↗

12. An improved curvature method of detecting the onset of localized necking in Marciniak tests and its extension to Nakazima tests10.1016/j.ijmecsci.2017.02.011 ↗

13. A novel spatio-temporal method for determining necking and fracture strains of sheet metals10.1016/j.ijmecsci.2020.105977 ↗

14. A new method for localized necking detection in uniaxial tensile testing based on a multi-camera DIC system

15. Time dependent FLC determination–comparison of different algorithms to detect the onset of unstable necking before fracture10.4028/www.scientific.net/KEM.549.397 ↗

16. Investigation of various necking criteria for sheet analysis using digital image strain data10.1007/s12289-019-01526-y ↗

17. Comparative investigation of the experimental determination of AA5086 FLCs under different necking criteria10.3390/ma14133685 ↗

18. Controlling factors of forming limit curve: a review

19. A new method for determining necking of sheet metal based on main strain topography10.3390/coatings14060765 ↗

20. Effect of microstructure and deformation mechanisms on the forming limit curve of automotive steels and aluminium alloys

21. Acoustic emission monitoring for necking in sheet metal forming10.1016/j.jmatprotec.2022.117758 ↗

22. Towards predicting necking instability in metals by acoustic emission model analysis10.2320/matertrans.MT-M2023166 ↗

23. Challenges and accomplishments in mechanical testing instrumented by in situ techniques: infrared thermography, digital image correlation, and acoustic emission10.3390/app11156718 ↗

24. The latent energy remaining in a metal after cold working

25. Analysis of non isothermal tensile tests using measured temperature distributions10.1016/0749-6419(87)90016-7 ↗

26. A simplified model of heat generation during the uniaxial tensile test10.1007/BF02668548 ↗

27. Investigation of metal deformation using thermography

28. An infrared image processing to analyse the calorific effects accompanying strain localisation

29. Approach for modelling the Taylor-Quinney coefficient of high strength steels10.1016/j.promfg.2019.02.163 ↗

30. Experimental and numerical analysis of the heat generated by plastic deformation in quasi-static uniaxial tensile tests10.1016/j.mechmat.2020.103398 ↗

31. An experimental–numerical study on the evolution of the Taylor–Quinney coefficient with plastic deformation in metals10.1016/j.mechmat.2023.104605 ↗

32. Experimental and numerical determination of the temperature of TWIP steel during dynamic tensile testing10.1016/j.jmrt.2023.12.056 ↗

33. Experimental and computational study on strain localization of laminated glass polymeric interlayer materials10.1016/j.jmrt.2024.06.199 ↗

34. Synchronous full-field strain and temperature measurement in tensile tests at low, intermediate and high strain rates10.1007/s11340-016-0237-z ↗

35. Thermomechanical behaviour of steels in tension studied with synchronyzed full-field deformation and temperature measurements10.1007/s40799-020-00436-y ↗

36. Determination of coupled mechanical and thermal fields using 2D digital image correlation and infrared thermography: numerical procedures and results10.1016/j.acme.2017.10.005 ↗

37. Thermomechanical studies of yielding and strain localization phenomena of gum metal under tension10.3390/ma11040567 ↗

38. Combined thermographic phosphor and digital image correlation (TP + DIC) for simultaneous temperature and strain measurements10.1111/str.12415 ↗

39. Digital image correlation and infrared thermography data for seven unique geometries of 304L stainless steel10.1038/s41597-024-03949-y ↗

40. Analysis of plastic strain localization on the basis of strain and temperature fields10.2478/v10172-012-0124-2 ↗

41. Preliminary study on the onset of necking detection using DIT in tensile tests10.4028/p-ad49jb ↗

42. AASTM E8/E8M-22: Standard test Methods for Tension Testing of Metallic Materials. American Society for Testing and Materials, West Conshohocken, USA.

43. 2019

44. Emissivity of metal surface coatings10.24867/JPE-2022-02-025 ↗

45. 2020

46. Thermoelastic effect in austenitic steel referred to its hardening

47. Backofen · 1972

48. Hosford · 1983

49. Draper · 1998