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MELrING EFFECTS OF ALUMINUM BUAL-SHEET STRUCTURE IN HYPERVELOCITY IMPACT[J]. Chinese Journal of Theoretical and Applied Mechanics, 1995, 27(3): 257-266. DOI: 10.6052/0459-1879-1995-3-1995-432
Citation: MELrING EFFECTS OF ALUMINUM BUAL-SHEET STRUCTURE IN HYPERVELOCITY IMPACT[J]. Chinese Journal of Theoretical and Applied Mechanics, 1995, 27(3): 257-266. DOI: 10.6052/0459-1879-1995-3-1995-432
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MELrING EFFECTS OF ALUMINUM BUAL-SHEET STRUCTURE IN HYPERVELOCITY IMPACT

  • 中国科学院力学研究所

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  • In this papert melting effects of aluminum dual-sheet structure in hypervelocityimpact are studied experimentally and numerically.With the help of SEM, melted cratersare observed on the backup plate when projectile velocity is larger than 5km/s. As projectilevelocity increases,there are more melted craters on the backup,and perforation failure ofthe backup is concurrently mitigated.Numerical simulations show that,there are two kindsof melting mechanisms,i.e., the shock heating and the plastic work heating.T...
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