High entropy alloy as metal additive for hybrid rocket propellant
A typical solid propellant used in rocket propulsion systems is made from polymeric fuel, crystalline liquid binder and additives. In comparison to conventional propulsion systems, hybrid propulsion is more safe, reliable and environmentally friendly. However, the hybrid systems have some drawbacks,...
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my.iium.irep.1013562023-06-21T08:06:54Z http://irep.iium.edu.my/101356/ High entropy alloy as metal additive for hybrid rocket propellant Mohamad Jamil, Nur Arifah Mohamaddiah, Ahmad Hadi Azami, Muhammad Hanafi Nordin, Norhuda Hidayah TL780 Rockets TP200 Manufacture and use of chemicals TP315 Fuel A typical solid propellant used in rocket propulsion systems is made from polymeric fuel, crystalline liquid binder and additives. In comparison to conventional propulsion systems, hybrid propulsion is more safe, reliable and environmentally friendly. However, the hybrid systems have some drawbacks, including low fuel regression rates and low combustion efficiency. As a result, several approaches have been developed to increase the rate of solid fuel regression rate including the introduction of metal additives to the system. Nowadays, high entropy alloys (HEA) are among the most advanced materials for high performance applications. This alloy has a potential to replace the existing metal additives in hybrid propulsion systems. The present work proposes a new composition based on Paraffin wax fuel, loaded with high entropy alloy as a metal additive for hybrid propulsion systems using the following ratio of 80:20. Therefore, this research explores the efficacy of high entropy alloys as additives for hybrid propulsion systems. Characterizations and thermal analysis of solid fuel using X-ray diffraction (XRD), differential scanning calorimetry (DSC) and thermogravimetric analysis are carried out to determine the structure, thermal decomposition and energy characteristics of the solid fuel with the HEA as additive. XRD result shows that HEA in a form of solid solutions produces BCC and FCC structures. Thermal analysis of paraffin wax with the addition of HEA gives the maximum value of 136.34 J/g for the total latent heat of the mixture. It is concluded that HEA increases the energy released from the fuel by 86.92 % compared to pure paraffin wax fuel. The mixture of paraffin and HEA fuel has a prospect to be used as future rocket fuel. Elsevier 2023-02-08 Article PeerReviewed application/pdf en http://irep.iium.edu.my/101356/1/101356_High%20entropy%20alloy%20as%20metal%20additive%20for%20hybrid.pdf application/pdf en http://irep.iium.edu.my/101356/2/101356_High%20entropy%20alloy%20as%20metal%20additive%20for%20hybrid_Scopus.pdf Mohamad Jamil, Nur Arifah and Mohamaddiah, Ahmad Hadi and Azami, Muhammad Hanafi and Nordin, Norhuda Hidayah (2023) High entropy alloy as metal additive for hybrid rocket propellant. Materials Today: Proceedings, 75 (Part 1 (January 2023)). pp. 140-146. E-ISSN 2214-7853 https://www.sciencedirect.com/science/article/abs/pii/S2214785322067761 10.1016/j.matpr.2022.10.257 |
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TL780 Rockets TP200 Manufacture and use of chemicals TP315 Fuel Mohamad Jamil, Nur Arifah Mohamaddiah, Ahmad Hadi Azami, Muhammad Hanafi Nordin, Norhuda Hidayah High entropy alloy as metal additive for hybrid rocket propellant |
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A typical solid propellant used in rocket propulsion systems is made from polymeric fuel, crystalline liquid binder and additives. In comparison to conventional propulsion systems, hybrid propulsion is more safe, reliable and environmentally friendly. However, the hybrid systems have some drawbacks, including low fuel regression rates and low combustion efficiency. As a result, several approaches have been
developed to increase the rate of solid fuel regression rate including the introduction of metal additives to the system. Nowadays, high entropy alloys (HEA) are among the most advanced materials for high performance applications. This alloy has a potential to replace the existing metal additives in hybrid propulsion systems. The present work proposes a new composition based on Paraffin wax fuel, loaded with high entropy alloy as a metal additive for hybrid propulsion systems using the following ratio of 80:20. Therefore, this research explores the efficacy of high entropy alloys as additives for hybrid propulsion systems. Characterizations and thermal analysis of solid fuel using X-ray diffraction (XRD), differential
scanning calorimetry (DSC) and thermogravimetric analysis are carried out to determine the structure, thermal decomposition and energy characteristics of the solid fuel with the HEA as additive. XRD result shows that HEA in a form of solid solutions produces BCC and FCC structures. Thermal analysis of paraffin wax with the addition of HEA gives the maximum value of 136.34 J/g for the total latent heat of the mixture. It is concluded that HEA increases the energy released from the fuel by 86.92 % compared to pure paraffin wax fuel. The mixture of paraffin and HEA fuel has a prospect to be used as future rocket fuel. |
format |
Article |
author |
Mohamad Jamil, Nur Arifah Mohamaddiah, Ahmad Hadi Azami, Muhammad Hanafi Nordin, Norhuda Hidayah |
author_facet |
Mohamad Jamil, Nur Arifah Mohamaddiah, Ahmad Hadi Azami, Muhammad Hanafi Nordin, Norhuda Hidayah |
author_sort |
Mohamad Jamil, Nur Arifah |
title |
High entropy alloy as metal additive for hybrid rocket propellant |
title_short |
High entropy alloy as metal additive for hybrid rocket propellant |
title_full |
High entropy alloy as metal additive for hybrid rocket propellant |
title_fullStr |
High entropy alloy as metal additive for hybrid rocket propellant |
title_full_unstemmed |
High entropy alloy as metal additive for hybrid rocket propellant |
title_sort |
high entropy alloy as metal additive for hybrid rocket propellant |
publisher |
Elsevier |
publishDate |
2023 |
url |
http://irep.iium.edu.my/101356/1/101356_High%20entropy%20alloy%20as%20metal%20additive%20for%20hybrid.pdf http://irep.iium.edu.my/101356/2/101356_High%20entropy%20alloy%20as%20metal%20additive%20for%20hybrid_Scopus.pdf http://irep.iium.edu.my/101356/ https://www.sciencedirect.com/science/article/abs/pii/S2214785322067761 |
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