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Characteristic and mechanism of damaging of ultra-high strength steel target penetrated by shaped charged jet
Yin, ZX; Ma, CX; Li, SX; Liu, YL
Corresponding AuthorYin, ZX()
2002-11-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume38Issue:11Pages:1210-1214
AbstractThe characteristic and mechanism of damaging of ultra-high strength steel target penetrated by shaped charged jet are investigated. The results show that the temperature of the white etching layer near the punching hole of the target is above the transformation point during penetrating. So the mixing structure of the martensite and austenite with about 20 nm is formed. The severe shearing in the adiabatic shearing band (ASB) occurs only within 2 mum in thickness. The average shear strain of localizing shearing deformation zone (LSDZ) of a ASB is estimated as 110 and its minimum strain rate 2.24x10(6) s(-1). Usually the thickness of the ASB observed by miroscope consists of the LSDZ and its heat affect zone (HAZ). During the penetration of the shaped charged jet, several processes take place as follows: total flow plastic deformation near the punching hole along the direction of shaped charged jet moving, shearing fracture and partly melting of the target material on the interface between the target and shaped charged jet, shearing deformation located in a very narrow region as well as tensile fracture due to stress wave reflection on the surface of the target.
Keywordshaped charged jet penetration ultra-high strength steel target adiabatic shearing bands
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000179827800015
PublisherSCIENCE CHINA PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/113836
Collection中国科学院金属研究所
Corresponding AuthorYin, ZX
Affiliation1.Northeastern Univ, Sch Sci, Shenyang 110006, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
3.Inst 52, Baotou 014000, Mongol Peo Rep
Recommended Citation
GB/T 7714
Yin, ZX,Ma, CX,Li, SX,et al. Characteristic and mechanism of damaging of ultra-high strength steel target penetrated by shaped charged jet[J]. ACTA METALLURGICA SINICA,2002,38(11):1210-1214.
APA Yin, ZX,Ma, CX,Li, SX,&Liu, YL.(2002).Characteristic and mechanism of damaging of ultra-high strength steel target penetrated by shaped charged jet.ACTA METALLURGICA SINICA,38(11),1210-1214.
MLA Yin, ZX,et al."Characteristic and mechanism of damaging of ultra-high strength steel target penetrated by shaped charged jet".ACTA METALLURGICA SINICA 38.11(2002):1210-1214.
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