Design and Dynamic Experiment of Al-Cu Graded Materials Impactor with Strain Rate of 10<sup>4</sup>–10<sup>5</sup>/s

doi:10.12442/j.issn.1002-185X.20240293

Home > Archive>Volume 54, Issue 3, 2025 >581-586. DOI:10.12442/j.issn.1002-185X.20240293

Design and Dynamic Experiment of Al-Cu Graded Materials Impactor with Strain Rate of 104–105/s
DOI:
                        10.12442/j.issn.1002-185X.20240293
                    
Author:
                        Hu Jianian1,2Hu Jianian
State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China;Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China
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Zhou Zizheng1,2Zhou Zizheng
State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China;Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China
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Li Yidi1,2Li Yidi
State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China;Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China
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Chen Xiang1,2Chen Xiang
State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China;Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China
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Yang Gang1,2Yang Gang
State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China;Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China
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Liu Jintao3Liu Jintao
Luoyang Ship Material Research Institute, Luoyang 471023, China
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Zhang Jian4Zhang Jian
State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
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Affiliation:1.State Key Laboratory of Precision Blasting, Jianghan University, Wuhan 430056, China;2.Hubei Key Laboratory of Blasting Engineering, Jianghan University, Wuhan 430056, China;3.Luoyang Ship Material Research Institute, Luoyang 471023, China;4.State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China
Clc Number:
Fund Project:Natural Science Foundation of Hubei Province (2024AFB432); National Natural Science Foundation of China (52171045, 12302436, 52302095); Research Fund of Jianghan University (2023JCYJ05)

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Abstract:

Based on simplified calculations of one-dimensional wave systems, loading pressure platform curves of Al-Cu gradient materials (GMs) impactor were designed. The Al-Cu GMs were prepared using tape-pressing sintering, and their acoustic properties were characterized to match the design path. The parallelism of the Al-Cu GM was confirmed using a three-dimensional surface profilometry machine. A one-stage light-gas gun was used to launch the Al-Cu GM, impacting an Al-LiF target at a velocity of 400 m/s. The results of the experimental strain rate demonstrate that the Al-Cu GMs can realize the precise control of the strain rate within the range of 10⁴?10⁵/s in the high-speed impact experiments.

Key words:high strain rate;Al-Cu graded materials;impactor;acoustic impedance;gas gun experiment

Reference

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Get Citation

[Hu Jianian, Zhou Zizheng, Li Yidi, Chen Xiang, Yang Gang, Liu Jintao, Zhang Jian. Design and Dynamic Experiment of Al-Cu Graded Materials Impactor with Strain Rate of 10⁴–10⁵/s[J]. Rare Metal Materials and Engineering,2025,54(3):581~586.]
DOI：10.12442/j. issn.1002-185X.20240293

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Received:May 17,2024
Revised:July 02,2024
Adopted:July 18,2024
Online: March 25,2025
Published: March 25,2025

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