Study of spall and recompaction of ceramics using a double-impact technique

A new plate impact technique for studying the dynamic properties of shock-damaged materials has been developed. The technique is based on impacting the specimen with two flyer plates which are separated by a small gap. Impact of the first plate causes spall in the target. Impact of the second plate...

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Veröffentlicht in:	Journal of applied physics 1985-11, Vol.58 (9), p.3415-3418
Hauptverfasser:	YAZIV, D, BLESS, S. J, ROSENBERG, Z
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building materials. Ceramics. Glasses Ceramic industries ceramics Chemical industry and chemicals Exact sciences and technology impact testing plates shock waves stress measurement
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A new plate impact technique for studying the dynamic properties of shock-damaged materials has been developed. The technique is based on impacting the specimen with two flyer plates which are separated by a small gap. Impact of the first plate causes spall in the target. Impact of the second plate closes the spall. The transmitted shock wave is monitored with a VISAR and/or manganin stress gauge. Analysis of the waves gives the properties of the damaged region. Preliminary results for copper and polycrystalline aluminum oxide have been obtained.
ISSN:	0021-8979 1089-7550
DOI:	10.1063/1.335759