Reaction Network of Ammonium Perchlorate (AP) Decomposition: The Missing Piece from Atomic Simulations

Q Chu, M Wen, X Fu, A Eslami… - The Journal of Physical …, 2023 - ACS Publications
The decomposition network of ammonium perchlorate (AP) is essential for combustion
performance and safety of solid propellants, while the detailed reaction pathway during …

Determining the mechanical and decomposition properties of high energetic materials (α-RDX, β-HMX, and ε-CL-20) using a neural network potential

M Wen, X Chang, Y Xu, D Chen, Q Chu - Physical Chemistry Chemical …, 2024 - pubs.rsc.org
Molecular simulations of high energetic materials (HEMs) are limited by efficiency and
accuracy. Recently, neural network potential (NNP) models have achieved molecular …

Ab Initio Driven Exploration on the Thermal Properties of Al–Li Alloy

X Chang, Y Wu, Q Chu, G Zhang… - ACS Applied Materials & …, 2024 - ACS Publications
Al–Li alloys are feasible and promising additives in advanced energy and propellant
systems due to the significantly enhanced heat release and increased specific impulse. The …

Minimizing Redundancy and Data Requirements of Machine Learning Potential: A Case Study in Interface Combustion

X Chang, D Zhang, Q Chu, D Chen - Journal of Chemical Theory …, 2024 - ACS Publications
The machine learning potential has emerged as a promising approach for addressing the
accuracy-versus-efficiency dilemma in molecular modeling. Efficiently exploring chemical …

Fully resolved simulations of micro-unit composite fuel in hydroxyl-terminated polybutadiene (HTPB): Al@ AP

X Chang, M Wen, Q Chu, KH Luo, D Chen - Chemical Engineering Journal, 2024 - Elsevier
Micro-unit composite fuel (Al@ AP) is a promising strategy for achieving stable and efficient
combustion, due to its reduced pressure dependency and ability to prevent agglomeration …

Exploring the Coexistence Conditions and Intrinsic Relationships between Electrides, Superconductivity, Kagome Lattice, and Superionic Behaviors in Li–Ge …

X Wang, W Tang, XW Sun, ZJ Liu, B Cao… - ACS Materials …, 2024 - ACS Publications
A systematic prediction of crystal structures of the Li x Ge (x= 1–8) system is performed using
a combination of structure prediction and ab initio calculations coupled with deep learning …

Influences of size, shape, and wall thickness on melting entropy and enthalpy of metallic nanostructures

M Zhu, J Liu, X Yang - Journal of Applied Physics, 2023 - pubs.aip.org
From the perspective of a bond-order-length-strength correlation, we put forward an
analytical solution to describe the size, shape, and wall thickness dependency of melting …

The thermal decomposition mechanism of RDX/AP composites: ab initio neural network MD simulations

K Pang, M Wen, X Chang, Y Xu, Q Chu… - Physical Chemistry …, 2024 - pubs.rsc.org
A neural network potential (NNP) is developed to investigate the decomposition mechanism
of RDX, AP, and their composites. Utilizing an ab initio dataset, the NNP is evaluated in …

Construction and application of deep learning potential for CaO under high pressure

X Wang, ZJ Liu, JS Feng, MR Chen, L Li… - Computational Materials …, 2024 - Elsevier
Although the physical properties of CaO have been extensively discussed as a crucial
component of the Earth's mantle, there remains a significant discrepancy between the …