DEPENDENCE OF GRAIN BOUNDARY SEGREGATION OF PHOSPHORUS ON TEMPERATURE AND GRAIN BOUNDARY MISORIENTATION IN alpha -IRON.

Kohei Tatsumi, Naoki Okumura, Shuichi Funaki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

11 Citations (Scopus)

Abstract

The equilibrium grain boundary segregation of phosphorus between 550 degree C and 750 degree C in an Fe-0. 05wt. %P alloy was measured by AES. The amount of segregated phosphorus varied from grain facet to grain facet to a substantial degree, depending on the aging temperature. With increasing temperature, the maximum amount of the segregated phosphorus decreased and the variation among grain boundary facets was reduced. The variation of the segregation was analyzed in terms of crystallographic orientation of each grain boundary facet and the grain boundary misorientation with the aid of ECP. As a result, the amount of segregated phosphorus was found to increase with the tilt angle of the grain boundary misorientation. The measurements on both facing grain boundary facets indicated that segregated phosphorus atoms were divided fairly evenly by fracture on the two grain boundary facets.

Original languageEnglish
Title of host publicationTransactions of the Japan Institute of Metals, Supplement
Place of PublicationSendai, Jpn
PublisherJapan Inst of Metals
Pages427-434
Number of pages8
Volume27
Publication statusPublished - 1986
Externally publishedYes

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Phosphorus
Grain boundaries
Temperature
Crystal orientation
Aging of materials
Atoms

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Tatsumi, K., Okumura, N., & Funaki, S. (1986). DEPENDENCE OF GRAIN BOUNDARY SEGREGATION OF PHOSPHORUS ON TEMPERATURE AND GRAIN BOUNDARY MISORIENTATION IN alpha -IRON. In Transactions of the Japan Institute of Metals, Supplement (Vol. 27, pp. 427-434). Sendai, Jpn: Japan Inst of Metals.

DEPENDENCE OF GRAIN BOUNDARY SEGREGATION OF PHOSPHORUS ON TEMPERATURE AND GRAIN BOUNDARY MISORIENTATION IN alpha -IRON. / Tatsumi, Kohei; Okumura, Naoki; Funaki, Shuichi.

Transactions of the Japan Institute of Metals, Supplement. Vol. 27 Sendai, Jpn : Japan Inst of Metals, 1986. p. 427-434.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tatsumi, K, Okumura, N & Funaki, S 1986, DEPENDENCE OF GRAIN BOUNDARY SEGREGATION OF PHOSPHORUS ON TEMPERATURE AND GRAIN BOUNDARY MISORIENTATION IN alpha -IRON. in Transactions of the Japan Institute of Metals, Supplement. vol. 27, Japan Inst of Metals, Sendai, Jpn, pp. 427-434.
Tatsumi K, Okumura N, Funaki S. DEPENDENCE OF GRAIN BOUNDARY SEGREGATION OF PHOSPHORUS ON TEMPERATURE AND GRAIN BOUNDARY MISORIENTATION IN alpha -IRON. In Transactions of the Japan Institute of Metals, Supplement. Vol. 27. Sendai, Jpn: Japan Inst of Metals. 1986. p. 427-434
Tatsumi, Kohei ; Okumura, Naoki ; Funaki, Shuichi. / DEPENDENCE OF GRAIN BOUNDARY SEGREGATION OF PHOSPHORUS ON TEMPERATURE AND GRAIN BOUNDARY MISORIENTATION IN alpha -IRON. Transactions of the Japan Institute of Metals, Supplement. Vol. 27 Sendai, Jpn : Japan Inst of Metals, 1986. pp. 427-434
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abstract = "The equilibrium grain boundary segregation of phosphorus between 550 degree C and 750 degree C in an Fe-0. 05wt. {\%}P alloy was measured by AES. The amount of segregated phosphorus varied from grain facet to grain facet to a substantial degree, depending on the aging temperature. With increasing temperature, the maximum amount of the segregated phosphorus decreased and the variation among grain boundary facets was reduced. The variation of the segregation was analyzed in terms of crystallographic orientation of each grain boundary facet and the grain boundary misorientation with the aid of ECP. As a result, the amount of segregated phosphorus was found to increase with the tilt angle of the grain boundary misorientation. The measurements on both facing grain boundary facets indicated that segregated phosphorus atoms were divided fairly evenly by fracture on the two grain boundary facets.",
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