Articles written in Bulletin of Materials Science

    • MgB$_2$/NaNO$_2$–PVA free-standing polymer composite film as a green firework: a step towards environmental sustainability


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      We have demonstrated a simple fabrication methodology of free-standing polymer composite film firework that sparkles, provides colour display and moderate sound, yet is less polluting. The polymer composite film fireworks arecomposed of magnesium boride (MgB$_2$), sodium nitrite (NaNO$_2$) and poly(vinyl alcohol) (PVA). This study also suggested that a flammable, explosive powder composition can be made of two very common inorganic precursors, mainly NaNO$_2$ and MgB$_2$. This is the first report demonstrating composite film fireworks with new flammable composition using metal boride as a primary precursor, which can also be used in conventional fireworks fabrication, replacing the traditional fuel, mainly gunpowder. The film fireworks were free from charcoal, sulphur, metal powder and paper. Therefore, they substantially lower the odour and CO$_x$, NO$_x$ emissions and minimize the substantial trash generated when burned. Most importantly, film firework‘s minimum ignition temperature and exothermic decomposition temperature are much higher than the ambient temperature; hence are safe to handle.

  • Bulletin of Materials Science | News

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      Posted on October 12, 2020

      Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
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      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
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    • Editorial Note on Continuous Article Publication

      Posted on July 25, 2019

      Click here for Editorial Note on CAP Mode

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