Influence of NdFeB Fillers on Tensile and Electromagnetic Properties of Natural Rubber
Keywords:
Natural rubber, neodymium-iron-boron, tensile test, permittivity, magnetic momentAbstract
Tensile and electromagnetic properties of hard magnetic natural rubber composites were studied. In a fabrication stage, neodymium-iron-boron (NdFeB) magnets were recycled from electronic wastes, broken and then ball-milled for 1 - 3 h. The NdFeB powder was then incorporated into natural rubber (NR) by a 2-roll mill technique. Since the NdFeB powder behaved as a non-reinforced filler, thus, it inhibited cross-linking and stress-induced recrystallization. Therefore, the cure time and the tensile strength of the NdFeB-NR composites were reduced compared to the control sample without magnetic fillers. The addition of NdFeB fillers improved the electrical permittivity of NR and the magnetic moment in NdFeB-NR composites could be measured by a fluxmeter.
Downloads
Metrics
References
M Hamano. Overview and outlook of bonded magnets in Japan. J. Alloy. Compd. 1995; 222, 8-12.
MH Makled, T Matsui, H Tsuda, H Mabuchi, MK El-Mansy and K Morii. Magnetic and dynamic mechanical properties of barium ferrite-natural rubber composites. J. Mater. Process. Tech. 2005; 160, 229-33.
S Nontapan. 2007, EMI Shielding Materials Made from Natural Rubber Blended with Magnetic Ferrite Powder, M. Eng. Thesis. Prince of Songkla University, Songkhla, Thailand.
N Dishovsky, K Ruskova and I Radulov. “In situ” magnetic modification of polar elastomers. Mater. Res. Bull. 2001; 36, 35-45.
P Patanathabutr, K Uthamang, N Siriwattapong and S Sittisuk. A study of magnetic properties of magnetic induced barium ferrite filled ENR/POM blended plastoferrite. In: Proceedings of 28th Congress of Science and Technology of Thailand, Bangkok, Thailand. 2002, p. 773.
LA Dobrzanski and M Drak. Properties of composite materials with polymer matrix reinforced with Nd-Fe-B hard magnetic particles. J. Mater. Process. Tech. 2006; 175, 149-56.
M Kokabi, F Arabgol and M Manteghian. Nd2Fe14B permanent polymeric composite magnets. Iran. Polym. J. 2005; 14, 71-9.
W Rattanasakulthong and C Sirisathitkul. Effects of annealing temperature on Co30Cu70 mechanical alloys. Walailak J. Sci. & Tech. 2006; 3, 251-60.
KA Malini, P Kurian and MR Anantharaman. Loading dependence similarities on the cure time and mechanical properties of rubber ferrite composites containing nickel zinc ferrite. Mater. Lett. 2003; 57, 3381-86.
D Parkinson. Reinforcement of Rubbers, Institution of the Rubber Industry, 1957, p. 14.
HS Gokturk, TJ Fiske and DM Kalyon. Electric and magnetic properties of a thermoplastic elastomer incorporated with ferromagnetic powders. IEEE Trans. Magn. 1993; 29, 4170-76.
Downloads
Published
How to Cite
Issue
Section
License
Copyright (c) 2011 Walailak University
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.