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A study was made of tensile behaviour after impact on composite laminates through acoustic emission analysis: three series of specimens were considered (jute/paper, mast/paper and tissue/paper) impacted with energies from 0 to 15 J. This experimentation presents preliminary results to be used with respect to the production of more complex structures to be employed mainly for applications that imply compression stresses (flooring, wall panels). Of particular interest was the verification of local degradation of mechanical properties due to impact and consequent correlation with damage propagation during tensile tests, leading to characteristically different types of failure for the three materials studied.

Additional information

Authors: SANTULLI C, Centro Comune di Ricerca ISIS, ATIA, Ispra (IT);FABRIZIO B, Università degli Studi di Roma, Dipartamento ICMMPM (IT)
Bibliographic Reference: Paper presented: 9th Congresso Nazionale Prove Non Distruttive, Padova (IT), September 25-27, 1997
Availability: Available from (1) as Paper EN 40920 ORA
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