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Title: Mechanical properties of the Japanese LCT coil conductor

Abstract

Far fewer studies have been carried out on the mechanical properties than on other aspects of conductor design. This report, to help answer this discrepancy, describes the experimental data on the mechanical properties of the Japanese LCT conductor and its cold-worked oxygen-free Cu stabilizer and also discusses the relation between stress and stability in a fusion magnet. The purpose of the investigation is to measure the magnetoresistivity, yield strength, and stress-strain curve at 4 K for (1) individual strands, (2) the stranded cable alone, (3) the copper stabilizer alone, and (4) the full-size conductor. Characteristics of the conductor are given. Results for Vickers Hardness tests on 21% cold reduction copper at room temperature are listed. Tensile test results of the conductor elements at 4 K are tabulated. It was found that the law of mixtures can be applied to conductors on the scale of the LCT consisting of a stranded cable and a copper stabilizer. A method for using the law to calculate the yield strength of the conductor is presented.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
Japan Atomic Energy Research Institute, Iboraki
OSTI Identifier:
6233233
Report Number(s):
CONF-810835-
Journal ID: CODEN: ACYEA
Resource Type:
Conference
Journal Name:
Adv. Cryog. Eng.; (United States)
Additional Journal Information:
Journal Volume: 28; Conference: 1981 cryogenic engineering conference, San Diego, CA, USA, 10 Aug 1981
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; SUPERCONDUCTING COILS; MECHANICAL PROPERTIES; COPPER; CRYOGENICS; JAERI; JAPAN; MATERIALS TESTING; STABILITY; STABILIZED SUPERCONDUCTORS; STRESSES; ULTRALOW TEMPERATURE; YIELD STRENGTH; ASIA; ELEMENTS; JAPANESE ORGANIZATIONS; METALS; NATIONAL ORGANIZATIONS; SUPERCONDUCTORS; TESTING; TRANSITION ELEMENTS; 420201* - Engineering- Cryogenic Equipment & Devices

Citation Formats

Yoshida, K, Shimada, M, Shimamoto, S, Tada, E, Tada, N, Takahashi, Y, and Tokuchi, A. Mechanical properties of the Japanese LCT coil conductor. United States: N. p., 1982. Web.
Yoshida, K, Shimada, M, Shimamoto, S, Tada, E, Tada, N, Takahashi, Y, & Tokuchi, A. Mechanical properties of the Japanese LCT coil conductor. United States.
Yoshida, K, Shimada, M, Shimamoto, S, Tada, E, Tada, N, Takahashi, Y, and Tokuchi, A. Fri . "Mechanical properties of the Japanese LCT coil conductor". United States.
@article{osti_6233233,
title = {Mechanical properties of the Japanese LCT coil conductor},
author = {Yoshida, K and Shimada, M and Shimamoto, S and Tada, E and Tada, N and Takahashi, Y and Tokuchi, A},
abstractNote = {Far fewer studies have been carried out on the mechanical properties than on other aspects of conductor design. This report, to help answer this discrepancy, describes the experimental data on the mechanical properties of the Japanese LCT conductor and its cold-worked oxygen-free Cu stabilizer and also discusses the relation between stress and stability in a fusion magnet. The purpose of the investigation is to measure the magnetoresistivity, yield strength, and stress-strain curve at 4 K for (1) individual strands, (2) the stranded cable alone, (3) the copper stabilizer alone, and (4) the full-size conductor. Characteristics of the conductor are given. Results for Vickers Hardness tests on 21% cold reduction copper at room temperature are listed. Tensile test results of the conductor elements at 4 K are tabulated. It was found that the law of mixtures can be applied to conductors on the scale of the LCT consisting of a stranded cable and a copper stabilizer. A method for using the law to calculate the yield strength of the conductor is presented.},
doi = {},
journal = {Adv. Cryog. Eng.; (United States)},
number = ,
volume = 28,
place = {United States},
year = {1982},
month = {1}
}

Conference:
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