Maity, Soumen and Sarkar, Bijit Kumar (1996) Fatigue of a porcelain ceramic under repeated impact loading. Transactions of The Indian Institute of Metals, 49 (4). pp. 601-604. ISSN 0972-2815

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Abstract

The failure of a porcelain ceramic as a result of repeated impact has beep studied. The study was conducted in an improved pendulum type repeated impact apparatus specially designed and fabricated for determining single and repeated impact strength. A definite fatigue behaviour has been demonstrated for specimens of a hard porcelain tested under air and liquid nitrogen with progressive endurance at lower stress regimes. Fractographic analysis showed the existence of mirror and hackle regions with a transgranular crack path near the fracture origin with progressive intergranular pattern in and around the hackle area Crack resistance caused by microcrack branching or crack-path deflection during impact loading has been suggested to explain the fatigue behaviour of the porcelain material tested.

Item Type:	Article
Additional Information:	Workshop on the Phenomena of Creep, Fatigue, and Creep-Fatigue Interactions, INDIRA GANDHI CTR ATOM RES, KALPAKKAM, INDIA, FEB 15-17, 1995
Subjects:	Structural Clay Products
Divisions:	Director�s Secretariat
Depositing User:	Bidhan Chaudhuri
Date Deposited:	30 Jul 2012 07:00
Last Modified:	30 Jul 2012 07:00
URI:	http://cgcri.csircentral.net/id/eprint/1677

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