P. Thompson, S. Rothman, A. Evans, R. Eagleton, D. Hoarty, S. J. Davidson, C. Robinson, J. Maw, P. Graham
{"title":"Material properties experiments using the AWE HELEN laser","authors":"P. Thompson, S. Rothman, A. Evans, R. Eagleton, D. Hoarty, S. J. Davidson, C. Robinson, J. Maw, P. Graham","doi":"10.1117/12.425563","DOIUrl":null,"url":null,"abstract":"The AWE 1 TW Nd-glass laser HELEN has been used for a number of studies of material properties. Here we discuss measurement of preheat in our high pressure Hugoniot studies and present results for the principal Hugoniot of triacrylate foam at pressures up to 1 Mb. Michelson interferometer results demonstrate spallation in shocked aluminum enabling us to quantify the spall thickness and strength. High resolution spectral data has been obtained from niobium samples in which the M-shell approaches full occupancy.","PeriodicalId":340981,"journal":{"name":"European Conference on Laser Interaction with Matter","volume":"48 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2001-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"European Conference on Laser Interaction with Matter","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.425563","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The AWE 1 TW Nd-glass laser HELEN has been used for a number of studies of material properties. Here we discuss measurement of preheat in our high pressure Hugoniot studies and present results for the principal Hugoniot of triacrylate foam at pressures up to 1 Mb. Michelson interferometer results demonstrate spallation in shocked aluminum enabling us to quantify the spall thickness and strength. High resolution spectral data has been obtained from niobium samples in which the M-shell approaches full occupancy.
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