DETECTION OF INTERGRANULAR POP-IN CRACKING DURING ELASTIC-PLASTIC FRACTURE TOUGHNESS TEST OF Cr-Mo-V STEEL BY FREQUENCY ANALYSIS OF ACOUSTIC EMISSION.

Keiichi Shimomura; Tetsuo Shoji; Hideaki Takahashi

doi:10.2355/tetsutohagane1955.69.16_2060

DETECTION OF INTERGRANULAR POP-IN CRACKING DURING ELASTIC-PLASTIC FRACTURE TOUGHNESS TEST OF Cr-Mo-V STEEL BY FREQUENCY ANALYSIS OF ACOUSTIC EMISSION.

Keiichi Shimomura, Tetsuo Shoji, Hideaki Takahashi

New Industry Creation Hatchery Center (NICHe)

Research output: Contribution to journal › Article › peer-review

Abstract

The feasibility of using acoustic-emission techniques for toughness testing at high temperature has been examined. Type I AE is generated from micro-cracking due to decohesion of MnS inclusions or coalescence between the main crack and voids nucleated by decohesion. Type II AE has the largest amplitude from intergranular pop-in cracking. Type III AE has the largest amplitude from the formation of intergranular dimple facets.

Original language	English
Pages (from-to)	2060-2067
Number of pages	8
Journal	Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
Volume	69
Issue number	16
DOIs	https://doi.org/10.2355/tetsutohagane1955.69.16_2060
Publication status	Published - 1983 Jan 1

ASJC Scopus subject areas

Condensed Matter Physics
Physical and Theoretical Chemistry
Metals and Alloys
Materials Chemistry

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10.2355/tetsutohagane1955.69.16_2060

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DETECTION OF INTERGRANULAR POP-IN CRACKING DURING ELASTIC-PLASTIC FRACTURE TOUGHNESS TEST OF Cr-Mo-V STEEL BY FREQUENCY ANALYSIS OF ACOUSTIC EMISSION. / Shimomura, Keiichi; Shoji, Tetsuo; Takahashi, Hideaki.

In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, Vol. 69, No. 16, 01.01.1983, p. 2060-2067.

Research output: Contribution to journal › Article › peer-review

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abstract = "The feasibility of using acoustic-emission techniques for toughness testing at high temperature has been examined. Type I AE is generated from micro-cracking due to decohesion of MnS inclusions or coalescence between the main crack and voids nucleated by decohesion. Type II AE has the largest amplitude from intergranular pop-in cracking. Type III AE has the largest amplitude from the formation of intergranular dimple facets.",

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DETECTION OF INTERGRANULAR POP-IN CRACKING DURING ELASTIC-PLASTIC FRACTURE TOUGHNESS TEST OF Cr-Mo-V STEEL BY FREQUENCY ANALYSIS OF ACOUSTIC EMISSION.

Abstract

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