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Volume 12
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10.3390/aerospace12040298
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Article

The Modulatory Effect of Inhibitors on the Thermal Decomposition Performance of Graded Al@AP Composites

by
Kan Xie
1,
Jing Wang
1,
Zhi-Yu Zhang
1,
Bin Tian
1,
Su-Lan Yang
1,*,
Jingyu Lei
2 and
Ming-Hui Yu
3
1
School of Aeronautics and Astronautics, University of Electronic Science and Technology of China, Chengdu 611731, China
2
Xi’an Modern Chemistry Research Institute, Xi’an 710072, China
3
School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
*
Author to whom correspondence should be addressed.
Aerospace 2025, 12(4), 298; https://doi.org/10.3390/aerospace12040298
Submission received: 10 February 2025 / Revised: 25 March 2025 / Accepted: 28 March 2025 / Published: 31 March 2025
(This article belongs to the Special Issue Artificial Intelligence in Aerospace Propulsion)
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Abstract

In this paper, a series of graded Al-based composites, including Al@AP, Al@AP/BM−52, and Al@AP/BPE−1735, have been prepared by spray drying technology. The thermal decomposition characteristics, kinetic parameters of the decomposition reaction, and Pyro-GC/MS products were comprehensively investigated. The results showed that two inhibitors, BM−52 and BPE−1735, had a significant effect on the thermal decomposition of AP. The addition of BM−52 conspicuously enhanced the thermal interaction, resulting in a more complete decomposition reaction of AP. Meanwhile, the incorporation of BPE−1735 significantly enhanced the heat releases of AP, leading to a significant enhancement in the energetic performance during the decomposition process of AP. BM−52 and BPE1735 inhibit AP decomposition as evidenced by higher activation energies for thermal decomposition and altered physical models of decomposition. Pyro-GC/MS results reveal that the fundamental pathway of Al@AP thermal decomposition remains unaltered by BM−52. However, the proportion of oxygen-containing compound products is moderately reduced. In contrast, for Al@AP/BPE−1735, in addition to the same products as those from Al@AP pyrolysis, new pyrolysis peaks emerge. It is implied that specific chemical reactions or interactions are triggered during the thermal decomposition process, thereby resulting in the formation of distinct chemical species.
Keywords: inhibitors; Al@AP; thermal decomposition; decomposition kinetics; pyro-GC/MS inhibitors; Al@AP; thermal decomposition; decomposition kinetics; pyro-GC/MS

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MDPI and ACS Style

Xie, K.; Wang, J.; Zhang, Z.-Y.; Tian, B.; Yang, S.-L.; Lei, J.; Yu, M.-H. The Modulatory Effect of Inhibitors on the Thermal Decomposition Performance of Graded Al@AP Composites. Aerospace 2025, 12, 298. https://doi.org/10.3390/aerospace12040298

AMA Style

Xie K, Wang J, Zhang Z-Y, Tian B, Yang S-L, Lei J, Yu M-H. The Modulatory Effect of Inhibitors on the Thermal Decomposition Performance of Graded Al@AP Composites. Aerospace. 2025; 12(4):298. https://doi.org/10.3390/aerospace12040298

Chicago/Turabian Style

Xie, Kan, Jing Wang, Zhi-Yu Zhang, Bin Tian, Su-Lan Yang, Jingyu Lei, and Ming-Hui Yu. 2025. "The Modulatory Effect of Inhibitors on the Thermal Decomposition Performance of Graded Al@AP Composites" Aerospace 12, no. 4: 298. https://doi.org/10.3390/aerospace12040298

APA Style

Xie, K., Wang, J., Zhang, Z.-Y., Tian, B., Yang, S.-L., Lei, J., & Yu, M.-H. (2025). The Modulatory Effect of Inhibitors on the Thermal Decomposition Performance of Graded Al@AP Composites. Aerospace, 12(4), 298. https://doi.org/10.3390/aerospace12040298

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