Significance of adiabatic heating in equal-channel angular pressing

Daisuke Yamaguchi; Zenji Horita; Minoru Nemoto; Terence G. Langdon

doi:10.1016/S1359-6462(99)00233-X

Significance of adiabatic heating in equal-channel angular pressing

Daisuke Yamaguchi, Zenji Horita, Minoru Nemoto, Terence G. Langdon

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

111 Citations (Scopus)

Abstract

Equal-channel angular (ECA) pressing is a procedure in which a material is subjected to an increase plastic strain by pressing a sample through a special die. Adiabatic heating was measured during equal-channel angular pressing using samples of pure Al and three Al-based alloys. At a pressing speed of 18 mm s^-1, there is an abrupt increase in the temperature on passing through the shearing plane and the magnitude of this temperature increase scales approximately with the ultimate tensile stress of the material. There is no significant adiabatic heating when using a pressing speed of 0.18 mm s^-1 although the as-pressed microstructure at this speed is essentially identical to that attained at a pressing speed of 18 mm s^-1.

Original language	English
Pages (from-to)	791-796
Number of pages	6
Journal	Scripta Materialia
Volume	41
Issue number	8
DOIs	https://doi.org/10.1016/S1359-6462(99)00233-X
Publication status	Published - Aug 1999

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(99)00233-X

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title = "Significance of adiabatic heating in equal-channel angular pressing",

abstract = "Equal-channel angular (ECA) pressing is a procedure in which a material is subjected to an increase plastic strain by pressing a sample through a special die. Adiabatic heating was measured during equal-channel angular pressing using samples of pure Al and three Al-based alloys. At a pressing speed of 18 mm s-1, there is an abrupt increase in the temperature on passing through the shearing plane and the magnitude of this temperature increase scales approximately with the ultimate tensile stress of the material. There is no significant adiabatic heating when using a pressing speed of 0.18 mm s-1 although the as-pressed microstructure at this speed is essentially identical to that attained at a pressing speed of 18 mm s-1.",

author = "Daisuke Yamaguchi and Zenji Horita and Minoru Nemoto and Langdon, {Terence G.}",

note = "Funding Information: This work was supported in part by the Super-Aluminum Project of the Japan Research and Development Center for Metals (JRCM) through the New Energy and Industrial Development Organization (NEDO), in part by the Light Metals Educational Foundation of Japan, in part by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports and Culture of Japan, in part by the Japan Society for the Promotion of Science and in part by the National Science Foundation of the United States under Grants No. DMR-9625969 and INT-9602919. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.",

year = "1999",

month = aug,

doi = "10.1016/S1359-6462(99)00233-X",

language = "English",

volume = "41",

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journal = "Scripta Materialia",

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T1 - Significance of adiabatic heating in equal-channel angular pressing

AU - Yamaguchi, Daisuke

AU - Horita, Zenji

AU - Nemoto, Minoru

AU - Langdon, Terence G.

N1 - Funding Information: This work was supported in part by the Super-Aluminum Project of the Japan Research and Development Center for Metals (JRCM) through the New Energy and Industrial Development Organization (NEDO), in part by the Light Metals Educational Foundation of Japan, in part by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports and Culture of Japan, in part by the Japan Society for the Promotion of Science and in part by the National Science Foundation of the United States under Grants No. DMR-9625969 and INT-9602919. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.

PY - 1999/8

Y1 - 1999/8

N2 - Equal-channel angular (ECA) pressing is a procedure in which a material is subjected to an increase plastic strain by pressing a sample through a special die. Adiabatic heating was measured during equal-channel angular pressing using samples of pure Al and three Al-based alloys. At a pressing speed of 18 mm s-1, there is an abrupt increase in the temperature on passing through the shearing plane and the magnitude of this temperature increase scales approximately with the ultimate tensile stress of the material. There is no significant adiabatic heating when using a pressing speed of 0.18 mm s-1 although the as-pressed microstructure at this speed is essentially identical to that attained at a pressing speed of 18 mm s-1.

AB - Equal-channel angular (ECA) pressing is a procedure in which a material is subjected to an increase plastic strain by pressing a sample through a special die. Adiabatic heating was measured during equal-channel angular pressing using samples of pure Al and three Al-based alloys. At a pressing speed of 18 mm s-1, there is an abrupt increase in the temperature on passing through the shearing plane and the magnitude of this temperature increase scales approximately with the ultimate tensile stress of the material. There is no significant adiabatic heating when using a pressing speed of 0.18 mm s-1 although the as-pressed microstructure at this speed is essentially identical to that attained at a pressing speed of 18 mm s-1.

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U2 - 10.1016/S1359-6462(99)00233-X

DO - 10.1016/S1359-6462(99)00233-X

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VL - 41

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EP - 796

JO - Scripta Materialia

JF - Scripta Materialia

SN - 1359-6462

IS - 8

ER -

Significance of adiabatic heating in equal-channel angular pressing

Abstract

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