Atomic force microscopy of induction- and furnace-heating-tempered prestressed steels with different delayed fracture properties

M. Hayakawa; S. Matsuoka; K. Tsuzaki; H. Hanada; M. Sugisaki

doi:10.1016/S1359-6462(02)00263-4

Atomic force microscopy of induction- and furnace-heating-tempered prestressed steels with different delayed fracture properties

M. Hayakawa, S. Matsuoka, K. Tsuzaki, H. Hanada, M. Sugisaki

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

27 Citations (Scopus)

Abstract

Quantitative microstructure analyses by atomic force microscopy and delayed fracture tests were performed for two types of prestressed steel with a tensile strength of 1470 MPa. Size distributions of cementite particles were measured to characterize the relationship between microstructures and delayed fracture properties. This method superimposed two AFM images of the same area: one of an electropolished surface that showed carbides and blocks and the other of a picric acid-etched surface in which prior δ grain boundaries were selectively etched.

Original language	English
Pages (from-to)	655-661
Number of pages	7
Journal	Scripta Materialia
Volume	47
Issue number	10
DOIs	https://doi.org/10.1016/S1359-6462(02)00263-4
Publication status	Published - Nov 2002
Externally published	Yes

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

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10.1016/S1359-6462(02)00263-4

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abstract = "Quantitative microstructure analyses by atomic force microscopy and delayed fracture tests were performed for two types of prestressed steel with a tensile strength of 1470 MPa. Size distributions of cementite particles were measured to characterize the relationship between microstructures and delayed fracture properties. This method superimposed two AFM images of the same area: one of an electropolished surface that showed carbides and blocks and the other of a picric acid-etched surface in which prior δ grain boundaries were selectively etched.",

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AU - Hayakawa, M.

AU - Matsuoka, S.

AU - Tsuzaki, K.

AU - Hanada, H.

AU - Sugisaki, M.

PY - 2002/11

Y1 - 2002/11

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AB - Quantitative microstructure analyses by atomic force microscopy and delayed fracture tests were performed for two types of prestressed steel with a tensile strength of 1470 MPa. Size distributions of cementite particles were measured to characterize the relationship between microstructures and delayed fracture properties. This method superimposed two AFM images of the same area: one of an electropolished surface that showed carbides and blocks and the other of a picric acid-etched surface in which prior δ grain boundaries were selectively etched.

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Atomic force microscopy of induction- and furnace-heating-tempered prestressed steels with different delayed fracture properties

Abstract

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