Improving the thermal efficiency of small molding equipment to speed up the start of production and reduce energy consumption

Kuzmin, Andrey; Pinchuk, Valeriya; Alberto Garcia Arango, David; Carmelo Castellanos Polo, Orlando; Pinchuk, Sofiia

doi:10.1016/j.tsep.2023.102067

Thermal Science and Engineering Progress

2023

DOI: 10.1016/j.tsep.2023.102067

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Improving the thermal efficiency of small molding equipment to speed up the start of production and reduce energy consumption

Andrey Kuzmin,

Valeriya Pinchuk,

David Alberto Garcia Arango

et al.

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2024

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Bending Forming Characteristics of CoCrFeMnNi High-Entropy Alloy Sheets Induced by Nanosecond Pulse Laser Irradiation

Tian,

Wang,

Zhang

et al. 2024

Materials

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Laser bending forming, as a flexible and die-less forming approach, facilitates the three-dimensional shaping of sheets through the generation of thermal stress via laser-material interaction. In this study, the bending forming characteristics of CoCrFeMnNi high-entropy alloy sheets induced by nanosecond pulse laser irradiation were systematically investigated. The effects of parameters including laser power, scanning speed, number of scans, scanning interval, and sheet size on the bending angle, cross-sectional morphology, and hardness were studied in detail under both the laser single-line and multi-line scanning modes. The experimental results confirmed the effectiveness of nanosecond pulse laser irradiation for achieving accurate formation of CoCrFeMnNi sheets, with the successful fabrication of J, L, and U-shaped metal components. Apart from the forming ability, the cross-sectional hardness was significantly increased due to the grain refinement effect of nanosecond pulse laser irradiation. Furthermore, employing the laser single-line scanning mode enabled the effective rectification of overbending parts, showcasing complete recovery for small-angle overbending, and a remarkable 91% recovery for larger-angle overbending. This study provides an important basis for the bendability of CoCrFeMnNi sheets by laser forming and elucidates the evolution of the microstructure and mechanical properties in the bending region.

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Bending Forming Characteristics of CoCrFeMnNi High-Entropy Alloy Sheets Induced by Nanosecond Pulse Laser Irradiation

Tian,

Wang,

Zhang

et al. 2024

Materials

View full text Add to dashboard Cite

show abstract

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Improving the thermal efficiency of small molding equipment to speed up the start of production and reduce energy consumption

Cited by 1 publication

References 25 publications

Bending Forming Characteristics of CoCrFeMnNi High-Entropy Alloy Sheets Induced by Nanosecond Pulse Laser Irradiation

Bending Forming Characteristics of CoCrFeMnNi High-Entropy Alloy Sheets Induced by Nanosecond Pulse Laser Irradiation

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