Wei H G1; Brambrink E2; Amadou N2; BenuzziMounaix A2; Ravasio A2; Morard G3; Guyot F3; De Resseguier T4; Ozaki N5; Miyanishi K5; Zhao G1; Koenig M2
Source Publicationchinesephysicsb
AbstractLaser-driven ramp compression was used to investigate iron characteristics along the isentropic path. the iterative lagrangian analysis method was employed to analyze the free surface velocity profiles in iron stepped target measured with two visars. the onset stress for the a to epsilon phase transformation was determined from the sudden change in the sound velocity and was found over-pressurized compared to the static and shock results. the derived stress (26 gpa) and strain rate (up to 108 s(-1)) are consistent with our previous experimental results. the stress-density relations were compared with those from previous ramp experiments and good agreements were found, which experimentally confirms the simulations, showing that iterative lagrangian analysis can be applied to the ramp-compression data with weak shock.
Document Type期刊论文
2.LULI-CNRS, Ecole Polytechnique, CEA, Universite Paris-Saclay
3.4Institut de Mineralogie, de Physique des Materiaux, et de Cosmochimie , Sorbonne Universites -UPMC, UMR CNRS 7590, Museum National d'Histoire Naturelle
4.Institut Pprime, CNRS, ENSMA, Univ. Poitiers, 1 avenue Clement Ader
First Author AffilicationNational Astronomical Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Wei H G,Brambrink E,Amadou N,et al. measurementofironcharacteristicsunderrampcompression[J]. chinesephysicsb,2017,26(11):115205.
APA Wei H G.,Brambrink E.,Amadou N.,BenuzziMounaix A.,Ravasio A.,...&Koenig M.(2017).measurementofironcharacteristicsunderrampcompression.chinesephysicsb,26(11),115205.
MLA Wei H G,et al."measurementofironcharacteristicsunderrampcompression".chinesephysicsb 26.11(2017):115205.
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