Study on Mechanical Properties and Impact Energy Release Characteristics of Skeleton-Structured Al/Ni Reactive Materials
Zhichao Sun, Yansong Yang, Rui Zhang, Lei Guo, Yuan He, Enliang Liu, Chuanting Wang, Yong He
TL;DR
This study examines a new aluminum-nickel reactive material with a skeleton structure, focusing on its mechanical properties and energy release during impact.
Contribution
The paper introduces a skeleton-structured Al/Ni reactive material and provides new insights into its mechanical behavior and energy release mechanisms under impact.
Findings
The material has a compressive strength of 150 MPa and tensile strength of 51 MPa.
Impact experiments show energy release with overpressure up to 0.081 MPa in air but less than 0.02 MPa in argon.
Oxidation reactions dominate energy release under impact conditions.
Abstract
Reactive materials can be employed to realize the integration of damage element kinetic energy and chemical energy damage, as well as strengthen the destruction ability of warheads. Among them, Al/Ni material has become a research hotspot because of its simple structure, easy process, and high reaction heat. In this paper, a skeleton-structured Al/Ni reactive material was successfully prepared. Additionally, both static and dynamic mechanical performance tests were conducted, along with impact experiments in a quasi-sealed chamber. Furthermore, numerical simulations of the mechanical properties of the materials were performed. The results show that the prepared reactive material has a compressive strength of 150 MPa and a tensile strength of 51 MPa, and the numerical simulation results are in good agreement with the experimental data. The impact experiments and product recovery analysis…
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Taxonomy
TopicsHigh-Velocity Impact and Material Behavior · Energetic Materials and Combustion · Aluminum Alloys Composites Properties