Morphology, Microstructure Evolution and Properties of Resin-Bonded Palm Kernel and Coconut Shell Grain-Based Abrasive Grinding

Authors

  • Avidime A. SAMUEL Department of Mechanical Engineering, University of Ilorin, Ilorin, Nigeria
  • AbdulBasit SULAIMAN Department of Mechanical Engineering, University of Ilorin, Ilorin, Nigeria
  • Habeeb A. AJIMOTOKAN University of Ilorin
  • Segun E. IBITOYE Department of Mechanical Engineering, University of Ilorin, Ilorin, Nigeria
  • Tajudeen K. AJIBOYE Department of Mechanical Engineering, University of Ilorin, Ilorin, Nigeria
  • Temitayo S. OGEDENGBE Department of Mechanical Engineering, Elizade University, Ilara-Mokin, Nigeria
  • Ismaila O. ALABI Department of Mechanical Engineering, Elizade University, Ilara-Mokin, Nigeria

Keywords:

Agro-residues, phenolic-free abrasives, thermoplastic-free abrasives, bio-composite, biodegradable

Abstract

This study examined the morphology and microstructural evolution of resin-bonded palm kernel and coconut shell grain-based abrasive grinding wheels and their physico-mechanical and tribological properties. Raw palm kernel shell (PKS) and coconut shell (CNS) samples were obtained, sorted, sun- and oven-dried, pulverised, and screened into fines of 250, 500 and 850 µm grain sizes, and blended at PKS to CNS mixing ratios of 1:0, 0:1, 1:2, 1:1 and 2:1, respectively. The blended grains, on a weight basis of the total aggregates, were bonded with 25 wt.% polyester resin and hardened and catalysed with 1.5 wt.% cobalt compound and methyl-ethyl ketone peroxide. The aggregates were moulded and compressed at a constant pressure of 18 MPa, ejected, and room-cured before being oven-cured to produce the wheels. The microstructural, water absorption, impact, flexural, hardness, and wear rate properties of the produced samples were evaluated. The properties studied were significantly influenced by grain sizes and mixing ratios of the PKS and CNS in the wheels. The least hardness value, 6.42 HRB, and wear rate, 0.44 mg/m were found in wheels produced from aggregates with pure PKS content with 850 and 250 µm grain sizes, respectively. The wheels' durability qualities suggest they could be used as abrasive grinding wheels, in particular, for wood cutting and finishing processes

References

Abutu, J.; S. A. Lawal, Ndaliman, M. B., Lafia-Araga, R. A., Adedipe, O., and Choudhury, I. A. (2018). Effects of process parameters on the properties of brake pad developed from seashell as reinforcement material using grey relational analysis. Engineering Science and Technology, an International Journal, 21(4), 787–797. https://doi.org/10.1016/j.jestch.2018.05.014

Ajimotokan, H. A., Samuel, A. A., Ajiboye, T. K., Ogedengbe, T. S., and Alabi, I. O. (2022). Morphology and physico-mechanical properties of resin-bonded palm kernel shell and coconut shell grain-based sandpaper composites. Nigerian Journal of Technological Development, 19(4), 268-276. http://dx.doi.org/10.4314/njtd.v19i4.11

Ajimotokan, H. A. and Samual, A. A. (2020). Process for making bio-composite abrasive grinding wheel. Patent Number: NG/P//2020/186. Abuja, Nigeria: National Office of Technology Acquisition and Promotion.

ASTM D7264. (2016). Flexural properties of composites. West Conshohocken, USA: ASTM International.

ASTM E11-20. (2020). Standard specification for woven wire sieve cloth and test sieves. West Conshohocken, USA: ASTM International. https://doi.org/10.1520/E0011-20

ASTM E18-20. (2020). Standard test methods for Rockwell hardness of metallic materials. West Conshohocken, USA: ASTM International. https://doi.org/10.1520/E0018-20

ASTM E23. (2018). Standard test method for notched bar impact testing of metallic materials. West Conshohocken, USA: ASTM International.

ASTM G99-17. (2017). Standard test method for wear testing with a pin-on-disc apparatus. West Conshohocken, USA: ASTM International. https://doi.org/10.1520/G0099-17

Aurich, J. C.; B. Linke; M. Hauschild; M. Carrella and B. Kirsch. (2013). Sustainability of abrasive processes. CIRP Annals - Manufacturing Technology, 62(2), 653–672. https://doi.org/10.1016/j.cirp.2013.05.010

Bashar, D. A.; B. M. Peter and M. Joseph. (2012). Material selection and production of a cold-worked composite brake pad. World Journal of Engineering and Pure and Applied Science, 2(3), 1–5.

Bello, K. A., Abdullahi, U., Abajo, A. S., Adebisi, A. A., Dodo, M. R., Abdulwahab, M., and Adeleke, S. A. (2021). Optimizing tensile properties of age hardened A356 aluminium alloy via Taguchi method. Nigerian Journal of Engineering, 28(1), 61–68.

Bratan, S., Roshchupkin, S., and Novikov, P. (2017). Modeling the grinding wheel working surface state. In Procedia Engineering (Vol. 206, pp. 1419–1425). https://doi.org/10.1016/j.proeng.2017.10.655

Durowaye, S. I., Lawal, G. I., Akande, M. A., and Durowaye, V. O. (2014). Mechanical properties of particulate coconut shell and palm fruit polyester composites. International Journal of Materials Engineering, 2014(4), 141–147. https://doi.org/10.5923/j.ijme.20140404.04

Edokpia, R. O., Aigbodion, V. S., Atuanya, C. U., Agunsoye, J. O., and Mu’azu, K. (2016). Experimental study of the properties of brake pad using egg shell particles–Gum Arabic composites. Journal of the Chinese Advanced Materials Society, 4(2), 172–184. https://doi.org/10.1080/22243682.2015.1100523

Federation of European Producers of Abrasives. (2020). P-grit sizes coated abrasive products. Retrieved from http://www.fepa-abrasives.org/Abrasiveproducts/Grains/Pgritsizescoated.aspx. accessed: 18.11.2020

Godino, L., Pombo, I., Sanchez, J. A., and Alvarez, J. (2018). On the development and evolution of wear flats in microcrystalline sintered alumina grinding wheels. Journal of Manufacturing Processes, 32, 494–505. https://doi.org/10.1016/j.jmapro.2018.03.023

Ibrahim, H. K., Abdulhamid, A. S., Shuaib-Babata, Y. L., Popoola, O. T., Kareem, A. G., Adeyi, A.M., Busari, O. Y., and Ambali, I. O. (2019). Development of abrasive sandpaper grains from agro-waste material for polishing of wood surface. Engineering and Technology, 2(1), 48–60.

Kohli, R. (2016). Microabrasive Technology for Precision Cleaning and Processing. In Developments in Surface Contamination and Cleaning: Second Edition (Vol. 1, pp. 627–666). https://doi.org/10.1016/B978-0-323-29960-2.00014-9

Koya, O. A. and Fono-Tamo, R. S. (2013). Evaluation of mechanical characteristics of friction lining from agricultural waste. International Journal of Advancements in Research & Technology, 2(11), 1–5.

Li, H. N. and Axinte, D. (2016). Textured grinding wheels: A review. International Journal of Machine Tools and Manufacture, 109, 8–35. https://doi.org/10.1016/j.ijmachtools.2016.07.001

Obot, M.U., Yawas, D. S., and Aku, S. Y. (2016). An assessment on the production of abrasive sandpaper from locally sourced materials. Tribology in Industry, 38(2), 176–185.

Obot, Mfon Udo, Yawas, D. S., and Aku, S. Y. (2017). Development of an abrasive material using periwinkle shells. Journal of King Saud University - Engineering Sciences, 29(3), 284–288. https://doi.org/10.1016/j.jksues.2015.10.008

Odior, A. O. and Oyawale, F. A. (2011). Formulation of silicon carbide abrasives from locally sourced raw materials in Nigeria. In Proceedings of the World Congress on Engineering 2011, WCE 2011 (Vol. 1, pp. 787–791).

Olele, P. ., Nkwocha, A. ., Ekeke, I. ., Ileagu, M., and Okeke, E. (2016). Assessment of palm kernel shell as friction material for brake pad production. International Journal of Engineering and Management Research, 6(1), 281–284.

Ratia, V., Heino, V., Valtonen, K., Vippola, M., Kemppainen, A., Siitonen, P., and Kuokkala, V. T. (2014). Effect of abrasive properties on the high-stress three-body abrasion of steels and hard metals. Tribologia, 32(1), 3–18.

Sa’ad, H., Omoleyomi, B. D., Alhassan, E. A., Ariyo, E. O., and Abadunmi, T. (2021). Mechanical performance of abrasive sandpaper made with palm kernel shells and coconut shells. Journal of the Mechanical Behavior of Materials, 30(1), 28–37. https://doi.org/10.1515/jmbm-2021-0004

Samuel, A. A. (2019). Development and physico-mechanical characterisation of abrasive grinding wheels from coconut and palm kernel shells. University of Ilorin, Ilorin, Nigeria.

Sauget, A., Zhou, X., and Pizzi, A. (2014). Tannin-resorcinol-formaldehyde resin and flax fiber biocomposites. Journal of Renewable Materials, 2(3), 173–181. https://doi.org/10.7569/JRM.2013.634128

Senthilkumar, K., Saba, N., Rajini, N., Chandrasekar, M., Jawaid, M., Siengchin, S., and Alotman, O. Y. (2018). Mechanical properties evaluation of sisal fibre reinforced polymer composites: A review. Construction and Building Materials, 174, 713–729. https://doi.org/10.1016/j.conbuildmat.2018.04.143

Suresh, S., Sudhakara, D., and Vinod, B. (2020). Investigation on industrial waste eco-friendly natural fiber-reinforced polymer composites. Journal of Bio- and Tribo-Corrosion, 6(2), 1–14. https://doi.org/10.1007/s40735-020-00339-w

Tegegne, A. and Shiferaw, M. (2020). Experimental of Flexural and Hardness Property of Palm-Sisal Reinforced Epoxy Resin Hybrid Composite Materials. International Journal of Research and Scientific Innovation, VII(I), 143–153.

Zhan, G. D., Wang, P., and Wang, L. (2021). Defining the true hardness of materials harder than single crystal diamond. Research Square, 1–15. https://doi.org/10.21203/rs.3.rs-614606/v1

Zhang, J., Liu, B., Zhou, Y., Essawy, H., Li, J., Chen, Q., and Du, G. (2021). Preparation and performance of tannin-glyoxal-urea resin-bonded grinding wheel loaded with Sio2 reinforcing particles. Maderas: Ciencia Tecnologia, 23(48), 1–16. https://doi.org/10.4067/s0718-221x2021000100448

Zhang, J., Luo, H., Pizzi, A., Du, G., and Deng, S. (2015). Preparation and characterization of grinding wheels based on a bioresin matrix and glass sand abrasives. BioResources, 10(3), 5369–5380. https://doi.org/10.15376/biores.10.3.5369-5380

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Published

2023-05-15

Issue

Vol. 20 No. 1 (2023): Volume 20, Issue 1, March 2023

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Articles

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