APPLICATION OF THE GRAIN BOUNDARY ETCHING METHOD TO A LOW ALLOY CrMo STEEL AND SOME IRON-BASED ALLOYS.

Tsugio Ogura; Akihiro Makino; Tsuyoshi Masumoto

doi:10.2320/jinstmet1952.45.11_1180

APPLICATION OF THE GRAIN BOUNDARY ETCHING METHOD TO A LOW ALLOY CrMo STEEL AND SOME IRON-BASED ALLOYS.

Tsugio Ogura, Akihiro Makino, Tsuyoshi Masumoto

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

Abstract

Applications of the grain boundary etching method (GEM) were made to a low alloy CrMo steel, an austenitic Fe-40%Ni alloy and an Fe-3%Si alloy by using an etching solution which is valid for detecting P at grain boundaries of NiCr steels. The polarization characteristics in 0. 5 kmol/m**3 H//2SO//4 solution were also measured. It was concluded that any steels to which GEM is applicable should have surface stabilities similar to those of NiCr steel. The measurement of polarization curves helps assess GEM applicability to given steels.

Original language	English
Pages (from-to)	1180-1186
Number of pages	7
Journal	Nippon Kinzoku Gakkai-si
Volume	45
Issue number	11
DOIs	https://doi.org/10.2320/jinstmet1952.45.11_1180
Publication status	Published - 1981 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Metals and Alloys
Materials Chemistry

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abstract = "Applications of the grain boundary etching method (GEM) were made to a low alloy CrMo steel, an austenitic Fe-40%Ni alloy and an Fe-3%Si alloy by using an etching solution which is valid for detecting P at grain boundaries of NiCr steels. The polarization characteristics in 0. 5 kmol/m**3 H//2SO//4 solution were also measured. It was concluded that any steels to which GEM is applicable should have surface stabilities similar to those of NiCr steel. The measurement of polarization curves helps assess GEM applicability to given steels.",

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AB - Applications of the grain boundary etching method (GEM) were made to a low alloy CrMo steel, an austenitic Fe-40%Ni alloy and an Fe-3%Si alloy by using an etching solution which is valid for detecting P at grain boundaries of NiCr steels. The polarization characteristics in 0. 5 kmol/m**3 H//2SO//4 solution were also measured. It was concluded that any steels to which GEM is applicable should have surface stabilities similar to those of NiCr steel. The measurement of polarization curves helps assess GEM applicability to given steels.

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APPLICATION OF THE GRAIN BOUNDARY ETCHING METHOD TO A LOW ALLOY CrMo STEEL AND SOME IRON-BASED ALLOYS.

Abstract

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