Research on the multi-stage CNC incremental forming of unequal height sheet metal part with large forming angle

Zhao, Zhilei; Zhu, Hu

doi:10.1007/s00170-024-13717-2

Int J Adv Manuf Technol

2024

DOI: 10.1007/s00170-024-13717-2

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Research on the multi-stage CNC incremental forming of unequal height sheet metal part with large forming angle

Zhilei Zhao,

Hu Zhu

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2024

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Strategic Method to Enhancing the Formability of Nitinol Foils via Micro- Incremental Sheet Forming Processes and Evaluation of Structure – Property

Yoganjaneyulu,

Perumal,

Sivasankaran

et al. 2024

Preprint

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The Nitinol alloy foils were deformed incrementally using the Single point micro incremental forming (SPMIF), in which the foils are deformed with the help of a hemispherical end tool, where no specific die is required and the forming limits are more due to the local deformation. Micro incremental forming is much needed process to develop the miniature components. The present study reveals the formability and fracture behaviour of Nitinol alloy foils under the SPMIF process. The formability studies are carried out with the spindle speeds. At higher forming speeds the formability is more as compared to the lower spindle speeds due to the presence of shear strains during the incremental forming. The XRD analysis is carried out for the phase fractions. EBSD and TEM analysis is carried out for texture analysis and dislocation density. The fracture behaviour is investigated through the void coalescence method and the parameters of void coalescence such as void (L/W) ratio, void size (µm), d-factor and thickness of ligament (LT) are measured through the ImageJ software. The relation between spindle speed and void coalescence parameters is studied.

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Strategic Method to Enhancing the Formability of Nitinol Foils via Micro- Incremental Sheet Forming Processes and Evaluation of Structure – Property

Yoganjaneyulu,

Perumal,

Sivasankaran

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

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Research on the multi-stage CNC incremental forming of unequal height sheet metal part with large forming angle

Cited by 1 publication

References 15 publications

Strategic Method to Enhancing the Formability of Nitinol Foils via Micro- Incremental Sheet Forming Processes and Evaluation of Structure – Property

Strategic Method to Enhancing the Formability of Nitinol Foils via Micro- Incremental Sheet Forming Processes and Evaluation of Structure – Property

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