CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Effects of the phase interface on spallation damage nucleation and evolution in multiphase alloy
Yang, Y; Wang, C; Chen, XZ; Hu, HB; Chen, KG; Fu, YN
2018
Source PublicationJOURNAL OF ALLOYS AND COMPOUNDS
ISSN0925-8388
Volume740Pages:321-329
Subtype期刊论文
AbstractThe spall behaviors of Cu-34%Zn-3%Pb leaded brass samples with annealing and cryogenic treating conditions were dynamic loaded using one-stage light gas gun experiments under similar to 1.515 GPa shock pressure. The effects of alpha/beta phase interface and Pb/matrix phase interface on dynamic damage nucleation, growth, and coalescence in leaded brass specimens were investigated by multidimensional testing techniques. Experiment results showed that voids of incipient spall were mainly nucleated in the interior of the Pb-phases with signs of melting, and a small number of voids were nucleated in alpha-phase, and both are not nucleated at the interface which contradicts the damage fracture theory under quasi-static loading. Due to the effect of reflection and transmission of shock wave at the phase interface, when the shock wave propagates from alpha-phase with higher impedance to Pb-phase or beta-phase with lower impedance, a tensile pulse will be formed within alpha-phase. If the tensile pulse has sufficient amplitude voids would be nucleated in alpha-phase. On the other hand, it is considered that the asymmetry high compression zones in the center of the lead-phase with low impedance were formed by the shock wave convergence effects of matrix/lead quasi-spherical interface, which caused adiabatic temperature rise exceeded melting point of lead due to severe plastic deformation, and finally led to local melting and void nucleation in the center of the lead-phase rather than the tensile stress. (C) 2018 Elsevier B.V. All rights reserved.
KeywordHigh-purity Copper Sweeping Detonation Behavior Failure Metals Cu
DOI10.1016/j.jallcom.2018.01.031
Indexed BySCI
Language英语
WOS IDWOS:000425494200039
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28987
Collection中科院上海应用物理研究所2011-2019年
Affiliation1.Yang, Y
2.Wang, C
3.Chen, XZ
4.Hu, HB
5.Chen, KG
6.Fu, YN
Recommended Citation
GB/T 7714
Yang, Y,Wang, C,Chen, XZ,et al. Effects of the phase interface on spallation damage nucleation and evolution in multiphase alloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2018,740:321-329.
APA Yang, Y,Wang, C,Chen, XZ,Hu, HB,Chen, KG,&Fu, YN.(2018).Effects of the phase interface on spallation damage nucleation and evolution in multiphase alloy.JOURNAL OF ALLOYS AND COMPOUNDS,740,321-329.
MLA Yang, Y,et al."Effects of the phase interface on spallation damage nucleation and evolution in multiphase alloy".JOURNAL OF ALLOYS AND COMPOUNDS 740(2018):321-329.
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