Penetration Fracture Mechanism of Tungsten-Fiber-Reinforced Zr-Based Bulk Metallic Glasses Matrix Composite under High-Velocity Impact
In order to adapt to the launch velocity of modern artillery, it is necessary to study the fracture mechanism of the high-velocity penetration of penetrators. Therefore, the penetration fracture mode of tungsten-fiber-reinforced Zr-based bulk metallic glass matrix composite (WF/Zr-MG) rods at a high...
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MDPI AG
2022-12-01
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| Online Access: | https://www.mdpi.com/1996-1944/16/1/40 |
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| author | Chengxin Du Feng Zhou Guangfa Gao Zhonghua Du Huameng Fu Zhengwang Zhu Chun Cheng |
| author_facet | Chengxin Du Feng Zhou Guangfa Gao Zhonghua Du Huameng Fu Zhengwang Zhu Chun Cheng |
| author_sort | Chengxin Du |
| collection | DOAJ |
| description | In order to adapt to the launch velocity of modern artillery, it is necessary to study the fracture mechanism of the high-velocity penetration of penetrators. Therefore, the penetration fracture mode of tungsten-fiber-reinforced Zr-based bulk metallic glass matrix composite (WF/Zr-MG) rods at a high velocity is studied. An experiment on WF/Zr-MG rods penetrating into rolled homogeneous armor steel (RHA) was carried out at 1470~1650 m/s. The experimental results show that the higher penetration ability of WF/Zr-MG rods not only results from their “self-sharpening” feature, but also due to the fact they have a longer quasi-steady penetration phase than tungsten alloy (WHA) rods. Above 1500 m/s, the penetration fracture mode of the WF/Zr-MG rod is the bending and backflow of tungsten fibers. Our theoretical calculation shows that the deformation mode of the Zr-based bulk metallic glass matrix (Zr-MG) is an important factor affecting the penetration fracture mode of the WF/Zr-MG rod. When the impact velocity increases from 1000 m/s to 1500 m/s, the deformation mode of Zr-MG changes from shear localization to non-Newtonian flow, leading to a change in the penetration fracture mode of the WF/Zr-MG rod from shear fracture to the bending and backflow of tungsten fibers. |
| first_indexed | 2024-03-11T09:55:53Z |
| format | Article |
| id | doaj.art-50004f1fefe643c8901c93179def6c9d |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-11T09:55:53Z |
| publishDate | 2022-12-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Materials |
| spelling | doaj.art-50004f1fefe643c8901c93179def6c9d2023-11-16T15:46:08ZengMDPI AGMaterials1996-19442022-12-011614010.3390/ma16010040Penetration Fracture Mechanism of Tungsten-Fiber-Reinforced Zr-Based Bulk Metallic Glasses Matrix Composite under High-Velocity ImpactChengxin Du0Feng Zhou1Guangfa Gao2Zhonghua Du3Huameng Fu4Zhengwang Zhu5Chun Cheng6School of Mechanical Engineering, Nanjing University of Science & Technology, Nanjing 210094, ChinaSchool of Mechanical Engineering, Nanjing University of Science & Technology, Nanjing 210094, ChinaSchool of Mechanical Engineering, Nanjing University of Science & Technology, Nanjing 210094, ChinaSchool of Mechanical Engineering, Nanjing University of Science & Technology, Nanjing 210094, ChinaInstitute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, ChinaInstitute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, ChinaImpact and Safety Engineering, Ningbo University, Ningbo 315211, ChinaIn order to adapt to the launch velocity of modern artillery, it is necessary to study the fracture mechanism of the high-velocity penetration of penetrators. Therefore, the penetration fracture mode of tungsten-fiber-reinforced Zr-based bulk metallic glass matrix composite (WF/Zr-MG) rods at a high velocity is studied. An experiment on WF/Zr-MG rods penetrating into rolled homogeneous armor steel (RHA) was carried out at 1470~1650 m/s. The experimental results show that the higher penetration ability of WF/Zr-MG rods not only results from their “self-sharpening” feature, but also due to the fact they have a longer quasi-steady penetration phase than tungsten alloy (WHA) rods. Above 1500 m/s, the penetration fracture mode of the WF/Zr-MG rod is the bending and backflow of tungsten fibers. Our theoretical calculation shows that the deformation mode of the Zr-based bulk metallic glass matrix (Zr-MG) is an important factor affecting the penetration fracture mode of the WF/Zr-MG rod. When the impact velocity increases from 1000 m/s to 1500 m/s, the deformation mode of Zr-MG changes from shear localization to non-Newtonian flow, leading to a change in the penetration fracture mode of the WF/Zr-MG rod from shear fracture to the bending and backflow of tungsten fibers.https://www.mdpi.com/1996-1944/16/1/40penetration fracture modetungsten-fiber-reinforced Zr-based bulk metallic glass matrix composite (WF/Zr-MG)impact velocitybending and backflow |
| spellingShingle | Chengxin Du Feng Zhou Guangfa Gao Zhonghua Du Huameng Fu Zhengwang Zhu Chun Cheng Penetration Fracture Mechanism of Tungsten-Fiber-Reinforced Zr-Based Bulk Metallic Glasses Matrix Composite under High-Velocity Impact Materials penetration fracture mode tungsten-fiber-reinforced Zr-based bulk metallic glass matrix composite (WF/Zr-MG) impact velocity bending and backflow |
| title | Penetration Fracture Mechanism of Tungsten-Fiber-Reinforced Zr-Based Bulk Metallic Glasses Matrix Composite under High-Velocity Impact |
| title_full | Penetration Fracture Mechanism of Tungsten-Fiber-Reinforced Zr-Based Bulk Metallic Glasses Matrix Composite under High-Velocity Impact |
| title_fullStr | Penetration Fracture Mechanism of Tungsten-Fiber-Reinforced Zr-Based Bulk Metallic Glasses Matrix Composite under High-Velocity Impact |
| title_full_unstemmed | Penetration Fracture Mechanism of Tungsten-Fiber-Reinforced Zr-Based Bulk Metallic Glasses Matrix Composite under High-Velocity Impact |
| title_short | Penetration Fracture Mechanism of Tungsten-Fiber-Reinforced Zr-Based Bulk Metallic Glasses Matrix Composite under High-Velocity Impact |
| title_sort | penetration fracture mechanism of tungsten fiber reinforced zr based bulk metallic glasses matrix composite under high velocity impact |
| topic | penetration fracture mode tungsten-fiber-reinforced Zr-based bulk metallic glass matrix composite (WF/Zr-MG) impact velocity bending and backflow |
| url | https://www.mdpi.com/1996-1944/16/1/40 |
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