Paper Title:
Mechanical and Fractographic Analyses of Monolithic Si3N4 Ceramics during Impact Testing
  Abstract

A comprehensive experimental and theoretical work aiming at studying the dynamic failure process of silicon nitride ceramics has been recently started. The main goal of this research programme consists in characterizing the mechanical behaviour of the material under dynamic loading as well as investigating the dynamic failure process using micro- and macro-fractography. The current paper deals with the phenomenon of special rate dependence of KId dynamic fracture toughness of Si3N4 based ceramics. The KId values have been determined during instrumented impact test on the one hand based on the dynamic key curve method using notched specimens, on the other hand based on fractographic analyses of fracture surface of impacted unnotched samples.

  Info
Periodical
Edited by
J. Dusza, R. Danzer, R. Morrell and G.D. Quinn
Pages
338-341
DOI
10.4028/www.scientific.net/KEM.409.338
Citation
M. B. Maros, N. K. Helmeczi, P. Arató, C. Balázsi, "Mechanical and Fractographic Analyses of Monolithic Si3N4 Ceramics during Impact Testing", Key Engineering Materials, Vol. 409, pp. 338-341, 2009
Online since
March 2009
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Hyung Seop Shin, Ki Hyun Kim, Young Jin Jung, Dong Kyun Ko
Abstract:The impact fracture behavior of Zr-based bulk metallic glass was investigated by an instrumented impact tester using subsize Charpy...
1356
Authors: Do Sik Kim, Yong Sun Choo, Kwon Pyo Hong, Jung Kyu Kim, Chul Su Kim
Abstract:The temperature dependence of the tensile properties and the fracture toughness of the cold-worked STS 304 stainless steel have been...
1345
Authors: Andrea Kubošová, Miroslav Karlík, Petr Haušild, J. Prahl
Abstract:Fracture behaviour of two intermetallic alloys based on FeAl and Fe3Al was studied. On the alloys Fe-40Al-1C (at%) and...
349
Authors: Maria Berkes Maros, Nikoletta Kaulics Helmeczi, Ján Dusza
Abstract:Si3N4 is widely used as a structural ceramic, therefore mechanical characterization, especially in dynamic loading conditions is important...
73
Authors: Ana S. Marques, Pedro M. Amaral, Luís Guerra Rosa, Jorge Cruz Fernandes
Abstract:The present study investigates the effect of rock aggregate size on the fracture toughness of a petreous macrocomposite material (concrete)....
1342