Modified Williamson-Hall 法での解析に必要なパラメーターCh00 ならびに q の提案

Takuro Masumura; Setsuo Takaki; Toshihiro Tsuchiyama

doi:10.2472/jsms.69.290

Modified Williamson-Hall 法での解析に必要なパラメーターCh00 ならびに q の提案

Translated title of the contribution: Proposal of the parameters CH00 and Q required in the modified Williamson-Hall method

Takuro Masumura, Setsuo Takaki, Toshihiro Tsuchiyama

Materials Processing

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

1 Citation (Scopus)

Abstract

In the modified Williamson-Hall method, the parameters Ch00^E, Ch00^S, q^E and q^S play an important role to determine the dislocation character. These parameters are obtained from elastic stiffness c11, c12 and c44 but the values of elastic stiffness are sensitive against the data of Young's modulus in poly-crystal. Young's modulus of poly-crystal is changeable depending on the texture and this causes some confusion on the calculated results for the parameters Ch00^E, Ch00^S, q^E and q^S. In this paper, reliable values are proposed for Ch00^E, Ch00^S, q^E and q^S in aluminum, copper, nickel, bcc-Fe and fcc-Fe.

Translated title of the contribution	Proposal of the parameters CH00 and Q required in the modified Williamson-Hall method
Original language	Japanese
Pages (from-to)	290-292
Number of pages	3
Journal	Zairyo/Journal of the Society of Materials Science, Japan
Volume	69
Issue number	4
DOIs	https://doi.org/10.2472/jsms.69.290
Publication status	Published - Apr 2020

All Science Journal Classification (ASJC) codes

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

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title = "Modified Williamson-Hall 法での解析に必要なパラメーターCh00 ならびに q の提案",

abstract = "In the modified Williamson-Hall method, the parameters Ch00E, Ch00S, qE and qS play an important role to determine the dislocation character. These parameters are obtained from elastic stiffness c11, c12 and c44 but the values of elastic stiffness are sensitive against the data of Young's modulus in poly-crystal. Young's modulus of poly-crystal is changeable depending on the texture and this causes some confusion on the calculated results for the parameters Ch00E, Ch00S, qE and qS. In this paper, reliable values are proposed for Ch00E, Ch00S, qE and qS in aluminum, copper, nickel, bcc-Fe and fcc-Fe.",

author = "Takuro Masumura and Setsuo Takaki and Toshihiro Tsuchiyama",

year = "2020",

month = apr,

doi = "10.2472/jsms.69.290",

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T1 - Modified Williamson-Hall 法での解析に必要なパラメーターCh00 ならびに q の提案

AU - Masumura, Takuro

AU - Takaki, Setsuo

AU - Tsuchiyama, Toshihiro

PY - 2020/4

Y1 - 2020/4

N2 - In the modified Williamson-Hall method, the parameters Ch00E, Ch00S, qE and qS play an important role to determine the dislocation character. These parameters are obtained from elastic stiffness c11, c12 and c44 but the values of elastic stiffness are sensitive against the data of Young's modulus in poly-crystal. Young's modulus of poly-crystal is changeable depending on the texture and this causes some confusion on the calculated results for the parameters Ch00E, Ch00S, qE and qS. In this paper, reliable values are proposed for Ch00E, Ch00S, qE and qS in aluminum, copper, nickel, bcc-Fe and fcc-Fe.

AB - In the modified Williamson-Hall method, the parameters Ch00E, Ch00S, qE and qS play an important role to determine the dislocation character. These parameters are obtained from elastic stiffness c11, c12 and c44 but the values of elastic stiffness are sensitive against the data of Young's modulus in poly-crystal. Young's modulus of poly-crystal is changeable depending on the texture and this causes some confusion on the calculated results for the parameters Ch00E, Ch00S, qE and qS. In this paper, reliable values are proposed for Ch00E, Ch00S, qE and qS in aluminum, copper, nickel, bcc-Fe and fcc-Fe.

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