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A study of formability of palm leaf materials using Limiting Dome Height testing

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Abstract

Deformation response of Areca catechu palm leaf-sheath under biaxial stretching is evaluated using Limiting Dome Height (LDH) testing. It is shown that the leaf material has high formability, with biaxial limit strains ~ 0.4, comparable to that of ductile sheet metals. Hydration of the leaf-sheath prior to the forming increases the limit strains by approximately 500% and lowers deformation forces by up to 85%. The potential of the LDH test for characterizing the stretch-forming response of plant materials is also demonstrated. Implications for single-step forming of plant leaf materials into products and manufacturing of eco-friendly foodware are discussed.

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Data availability

The data that support the findings of this study are available from the corresponding author upon reasonable request.

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Acknowledgments

The authors would like to acknowledge B.V. Prashanth Kumar for arranging an industrial visit to Omkara Ventures, Tumkur, India and for showing us the commercial areca-leaf forming process. The work was supported in part by NSF CMMI Award 2100568.

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Authors and Affiliations

  1. Center for Materials Processing and Tribology, Purdue University, West Lafayette, IN, 47906, USA

    Debapriya Pinaki Mohanty, Anirudh Udupa & Srinivasan Chandrasekar

  2. Department of Mechanical Engineering, BMS College of Engineering, Bengaluru, 560019, India

    A. R. Anilchandra

  3. M4 Sciences Corporation, Lafayette, IN, 47901, USA

    James B. Mann

Authors
  1. Debapriya Pinaki Mohanty
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  2. Anirudh Udupa
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  3. A. R. Anilchandra
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  4. James B. Mann
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  5. Srinivasan Chandrasekar
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Correspondence to Debapriya Pinaki Mohanty.

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Mohanty, D.P., Udupa, A., Anilchandra, A.R. et al. A study of formability of palm leaf materials using Limiting Dome Height testing. MRS Communications 11, 662–668 (2021). https://doi.org/10.1557/s43579-021-00094-0

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