EXPERIMENTAL STUDY ON INFLUENCE FACTORS OF DYNAMIC FRACTURE TOUGHNESS SIZE BASED ON CT SAMPLE
In order to study the influence of compact tensile (CT) specimen size on dynamic fracture toughness test, a dynamic fracture test of 2112T4 aluminium alloy CT was carried out based on a split Hopkinson tie bar (SHTB) device. The dynamic fracture toughness of the specimen was calculated by digital sp...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Journal of Mechanical Strength
2023-12-01
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| Series: | Jixie qiangdu |
| Subjects: | |
| Online Access: | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2023.06.008 |
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| author | ZOU GuangPing WU SongYang YAN AnShi LI YinChen ZHANG ZhiJun CHANG ZhongLiang |
| author_facet | ZOU GuangPing WU SongYang YAN AnShi LI YinChen ZHANG ZhiJun CHANG ZhongLiang |
| author_sort | ZOU GuangPing |
| collection | DOAJ |
| description | In order to study the influence of compact tensile (CT) specimen size on dynamic fracture toughness test, a dynamic fracture test of 2112T4 aluminium alloy CT was carried out based on a split Hopkinson tie bar (SHTB) device. The dynamic fracture toughness of the specimen was calculated by digital speckle correlation method( DSCM) , and the correctness of this method was demonstrated by comparing the results of strain gauge method. The influence of different sizes of specimens and loading hole locations on dynamic fracture toughness was studied. The results show that the smaller the value of W/B, the smaller the dynamic fracture toughness value of CT specimens and the slower the decreasing trend. For samples of different sizes with the same W/B value, the dynamic fracture toughness gap is small. Changing the center distance of loading round hole has little influence on the experimental results of dynamic fracture toughness. |
| format | Article |
| id | doaj-art-a6950d085f074654a0981f25aa0e75d9 |
| institution | Kabale University |
| issn | 1001-9669 |
| language | zho |
| publishDate | 2023-12-01 |
| publisher | Editorial Office of Journal of Mechanical Strength |
| record_format | Article |
| series | Jixie qiangdu |
| spelling | doaj-art-a6950d085f074654a0981f25aa0e75d92025-01-15T02:45:02ZzhoEditorial Office of Journal of Mechanical StrengthJixie qiangdu1001-96692023-12-01451326133155273293EXPERIMENTAL STUDY ON INFLUENCE FACTORS OF DYNAMIC FRACTURE TOUGHNESS SIZE BASED ON CT SAMPLEZOU GuangPingWU SongYangYAN AnShiLI YinChenZHANG ZhiJunCHANG ZhongLiangIn order to study the influence of compact tensile (CT) specimen size on dynamic fracture toughness test, a dynamic fracture test of 2112T4 aluminium alloy CT was carried out based on a split Hopkinson tie bar (SHTB) device. The dynamic fracture toughness of the specimen was calculated by digital speckle correlation method( DSCM) , and the correctness of this method was demonstrated by comparing the results of strain gauge method. The influence of different sizes of specimens and loading hole locations on dynamic fracture toughness was studied. The results show that the smaller the value of W/B, the smaller the dynamic fracture toughness value of CT specimens and the slower the decreasing trend. For samples of different sizes with the same W/B value, the dynamic fracture toughness gap is small. Changing the center distance of loading round hole has little influence on the experimental results of dynamic fracture toughness.http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2023.06.008Compact tensile specimensDigital speckle correlation methodDynamic loadingFracture toughnessSplit hopkinson tie bar |
| spellingShingle | ZOU GuangPing WU SongYang YAN AnShi LI YinChen ZHANG ZhiJun CHANG ZhongLiang EXPERIMENTAL STUDY ON INFLUENCE FACTORS OF DYNAMIC FRACTURE TOUGHNESS SIZE BASED ON CT SAMPLE Jixie qiangdu Compact tensile specimens Digital speckle correlation method Dynamic loading Fracture toughness Split hopkinson tie bar |
| title | EXPERIMENTAL STUDY ON INFLUENCE FACTORS OF DYNAMIC FRACTURE TOUGHNESS SIZE BASED ON CT SAMPLE |
| title_full | EXPERIMENTAL STUDY ON INFLUENCE FACTORS OF DYNAMIC FRACTURE TOUGHNESS SIZE BASED ON CT SAMPLE |
| title_fullStr | EXPERIMENTAL STUDY ON INFLUENCE FACTORS OF DYNAMIC FRACTURE TOUGHNESS SIZE BASED ON CT SAMPLE |
| title_full_unstemmed | EXPERIMENTAL STUDY ON INFLUENCE FACTORS OF DYNAMIC FRACTURE TOUGHNESS SIZE BASED ON CT SAMPLE |
| title_short | EXPERIMENTAL STUDY ON INFLUENCE FACTORS OF DYNAMIC FRACTURE TOUGHNESS SIZE BASED ON CT SAMPLE |
| title_sort | experimental study on influence factors of dynamic fracture toughness size based on ct sample |
| topic | Compact tensile specimens Digital speckle correlation method Dynamic loading Fracture toughness Split hopkinson tie bar |
| url | http://www.jxqd.net.cn/thesisDetails#10.16579/j.issn.1001.9669.2023.06.008 |
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