Investigation on Residual Strength and Failure Mechanism of the Ceramic/UHMWPE Armors after Ballistic Tests
In this paper, the ballistic damage mechanism and residual bearing capacity of ceramic/backing plate armor were investigated. First, a series of lightweight armors were prepared, consisting of ceramic and ultra-high molecular weight polyethylene fiber-reinforced resin matrix composite (UHMWPE) plate...
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MDPI AG
2022-01-01
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| Online Access: | https://www.mdpi.com/1996-1944/15/3/901 |
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| author | Zhiyong Chen Yingqiang Xu Miaoling Li Bin Li Weizhi Song Li Xiao Yulong Cheng Songyan Jia |
| author_facet | Zhiyong Chen Yingqiang Xu Miaoling Li Bin Li Weizhi Song Li Xiao Yulong Cheng Songyan Jia |
| author_sort | Zhiyong Chen |
| collection | DOAJ |
| description | In this paper, the ballistic damage mechanism and residual bearing capacity of ceramic/backing plate armor were investigated. First, a series of lightweight armors were prepared, consisting of ceramic and ultra-high molecular weight polyethylene fiber-reinforced resin matrix composite (UHMWPE) plates, and were wrapped in a high-strength fabric. Then, the ceramic/UHMWPE armors were hit by one or two bullets, and finally subjected to compression testing. The results showed that the main failure mode of integral ceramic/UHMWPE armors was ceramic brittle fracture. Many zigzag patterns on the compression curve indicated that the specimens had undergone the stages of crack propagation, ceramic fragment reorganization, plastic deformation of UHMWPE backing plate, interlaminar tearing, and overall fracture. The failure of spliced ceramic/UHMWPE armors was mainly due to the dislocation between ceramic sheets; the smooth compression curves indicated that there was no recombination of ceramic fragments and obvious interlayer debonding during the compression. Under the maximum load, each ceramic/UHMWPE armor with ballistic damage did not suddenly break and fail. The structure and thickness of ceramic plates all had an impact on residual strength: under the same structure, the greater the thickness, the greater the residual strength, but the relationship between them was not linear; under the same thickness, the residual strength of the spliced ceramic/UHMWPE armor was higher. The residual strength was also related to the number of shots: after two bullets hit, its value was only one-third of that after one bullet hit. |
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| format | Article |
| id | doaj.art-abcd70c32f2c4b7f91d93db2ec409a19 |
| institution | Directory Open Access Journal |
| issn | 1996-1944 |
| language | English |
| last_indexed | 2024-03-09T23:37:16Z |
| publishDate | 2022-01-01 |
| publisher | MDPI AG |
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| series | Materials |
| spelling | doaj.art-abcd70c32f2c4b7f91d93db2ec409a192023-11-23T16:59:00ZengMDPI AGMaterials1996-19442022-01-0115390110.3390/ma15030901Investigation on Residual Strength and Failure Mechanism of the Ceramic/UHMWPE Armors after Ballistic TestsZhiyong Chen0Yingqiang Xu1Miaoling Li2Bin Li3Weizhi Song4Li Xiao5Yulong Cheng6Songyan Jia7School of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, ChinaSchool of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, ChinaSchool of Intelligent Manufacturing, Luoyang Institute of Science and Technology, Luoyang 471023, ChinaSchool of Intelligent Manufacturing, Luoyang Institute of Science and Technology, Luoyang 471023, ChinaSchool of Intelligent Manufacturing, Luoyang Institute of Science and Technology, Luoyang 471023, ChinaSchool of Mechanical Engineering, Northwestern Polytechnical University, Xi’an 710072, ChinaSchool of Intelligent Manufacturing, Luoyang Institute of Science and Technology, Luoyang 471023, ChinaSchool of Intelligent Manufacturing, Luoyang Institute of Science and Technology, Luoyang 471023, ChinaIn this paper, the ballistic damage mechanism and residual bearing capacity of ceramic/backing plate armor were investigated. First, a series of lightweight armors were prepared, consisting of ceramic and ultra-high molecular weight polyethylene fiber-reinforced resin matrix composite (UHMWPE) plates, and were wrapped in a high-strength fabric. Then, the ceramic/UHMWPE armors were hit by one or two bullets, and finally subjected to compression testing. The results showed that the main failure mode of integral ceramic/UHMWPE armors was ceramic brittle fracture. Many zigzag patterns on the compression curve indicated that the specimens had undergone the stages of crack propagation, ceramic fragment reorganization, plastic deformation of UHMWPE backing plate, interlaminar tearing, and overall fracture. The failure of spliced ceramic/UHMWPE armors was mainly due to the dislocation between ceramic sheets; the smooth compression curves indicated that there was no recombination of ceramic fragments and obvious interlayer debonding during the compression. Under the maximum load, each ceramic/UHMWPE armor with ballistic damage did not suddenly break and fail. The structure and thickness of ceramic plates all had an impact on residual strength: under the same structure, the greater the thickness, the greater the residual strength, but the relationship between them was not linear; under the same thickness, the residual strength of the spliced ceramic/UHMWPE armor was higher. The residual strength was also related to the number of shots: after two bullets hit, its value was only one-third of that after one bullet hit.https://www.mdpi.com/1996-1944/15/3/901ceramic composite armorlaminate structureballistic damageresidual strengthspliced ceramic plate |
| spellingShingle | Zhiyong Chen Yingqiang Xu Miaoling Li Bin Li Weizhi Song Li Xiao Yulong Cheng Songyan Jia Investigation on Residual Strength and Failure Mechanism of the Ceramic/UHMWPE Armors after Ballistic Tests Materials ceramic composite armor laminate structure ballistic damage residual strength spliced ceramic plate |
| title | Investigation on Residual Strength and Failure Mechanism of the Ceramic/UHMWPE Armors after Ballistic Tests |
| title_full | Investigation on Residual Strength and Failure Mechanism of the Ceramic/UHMWPE Armors after Ballistic Tests |
| title_fullStr | Investigation on Residual Strength and Failure Mechanism of the Ceramic/UHMWPE Armors after Ballistic Tests |
| title_full_unstemmed | Investigation on Residual Strength and Failure Mechanism of the Ceramic/UHMWPE Armors after Ballistic Tests |
| title_short | Investigation on Residual Strength and Failure Mechanism of the Ceramic/UHMWPE Armors after Ballistic Tests |
| title_sort | investigation on residual strength and failure mechanism of the ceramic uhmwpe armors after ballistic tests |
| topic | ceramic composite armor laminate structure ballistic damage residual strength spliced ceramic plate |
| url | https://www.mdpi.com/1996-1944/15/3/901 |
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