通过中间电脉冲处理形成超薄钛板

IF 3.2 3区工程技术 Q2 ENGINEERING, INDUSTRIAL

Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI:10.1016/j.cirp.2024.03.011

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引用次数: 0

摘要

通过在两步冲压工艺中引入中间电脉冲处理，超薄（0.1 毫米）钛板的成型性得到了改善。这种改善归功于加工硬化能力和总伸长率的提高。短时间的电脉冲处理（2 秒）可显著降低孪晶密度和位错堆积，同时还能加速预变形钛板中等轴再结晶晶粒的形成。该工艺具有极佳的时间和成本效益，可无缝集成到传统的多步冲压生产线中，从而扩展超薄钛板的成型极限。

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Forming of ultra-thin titanium sheets with intermediate electropulsing treatment

The formability of the ultra-thin (0.1 mm) titanium sheet is improved by introducing an intermediate electropulsing treatment in a two-step stamping process. This improvement is attributed to the enhancement in both the work hardening capability and total elongation. A short-duration electropulsing treatment (∼2 s) significantly reduces the twin density and dislocation pile-up, while also expediting the formation of equi-axed recrystallized grains in the pre-deformed titanium sheets. With its excellent time- and cost-efficiency, the proposed process has the potential to be seamlessly integrated into conventional multi-step stamping lines to extend the forming limits of ultra-thin titanium sheets.

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来源期刊

Cirp Annals-Manufacturing Technology 工程技术-工程：工业

CiteScore

7.50

自引率

9.80%

发文量

137

审稿时长

13.5 months

期刊介绍： CIRP, The International Academy for Production Engineering, was founded in 1951 to promote, by scientific research, the development of all aspects of manufacturing technology covering the optimization, control and management of processes, machines and systems. This biannual ISI cited journal contains approximately 140 refereed technical and keynote papers. Subject areas covered include: Assembly, Cutting, Design, Electro-Physical and Chemical Processes, Forming, Abrasive processes, Surfaces, Machines, Production Systems and Organizations, Precision Engineering and Metrology, Life-Cycle Engineering, Microsystems Technology (MST), Nanotechnology.