Fatigue crack propagation characteristics of alumina ceramics

Hiroshi Noguchi; Kazuya Mori

Fatigue crack propagation characteristics of alumina ceramics

Strength of materials

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Fatigue tests with frequency of 0, 1, 5, 10, and 20 Hz were carried out on three types of cracked alumina ceramics. A specimen surface was replicated at the maximum stress during one cycle. The crack length was measured on plastic-replica with optical microscope and the crack opening displacement was observed on metal-replica with scanning electron microscope. The fatigue crack propagation rate, da/dN, was not controlled by the stress intensity factor. However an equivalent crack propagation rate da/dt|eq was controlled by the effective stress intensity factor at crack tip obtained from COD, independent of the frequency with some percent scatter.

Original language	English
Title of host publication	5th International Offshore and Polar Engineering Conference, ISOPE 1995
Publisher	International Society of Offshore and Polar Engineers
Pages	243-247
Number of pages	5
ISBN (Print)	1880653168
Publication status	Published - Jan 1 1995
Event	5th International Offshore and Polar Engineering Conference, ISOPE 1995 - The Hague, Netherlands Duration: Jun 11 1995 → Jun 16 1995

Publication series

Name	Proceedings of the International Offshore and Polar Engineering Conference
Volume	1995-June
ISSN (Print)	1098-6189
ISSN (Electronic)	1555-1792

Other

Other	5th International Offshore and Polar Engineering Conference, ISOPE 1995
Country	Netherlands
City	The Hague
Period	6/11/95 → 6/16/95

All Science Journal Classification (ASJC) codes

Energy Engineering and Power Technology
Ocean Engineering
Mechanical Engineering

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Fatigue crack propagation characteristics of alumina ceramics. / Noguchi, Hiroshi; Mori, Kazuya.

5th International Offshore and Polar Engineering Conference, ISOPE 1995. International Society of Offshore and Polar Engineers, 1995. p. 243-247 (Proceedings of the International Offshore and Polar Engineering Conference; Vol. 1995-June).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Noguchi, H & Mori, K 1995, Fatigue crack propagation characteristics of alumina ceramics. in 5th International Offshore and Polar Engineering Conference, ISOPE 1995. Proceedings of the International Offshore and Polar Engineering Conference, vol. 1995-June, International Society of Offshore and Polar Engineers, pp. 243-247, 5th International Offshore and Polar Engineering Conference, ISOPE 1995, The Hague, Netherlands, 6/11/95.

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