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Journal Articles

Measurement of residual stress in structural components by neutron diffraction

Hayashi, Makoto*; Okido, Shinobu*; Morii, Yukio; Minakawa, Nobuaki

Materials Science Research International, Special Technical Publication, 1, p.418 - 423, 2001/05

no abstracts in English

Journal Articles

Mechanism for negative poisson ratios over the $$alpha$$-$$beta$$ transition of cristobalite, SiO$$_{2}$$; A Molecular-dynamics study

Kimizuka, Hajime*; Kaburaki, Hideo; Kogure, Yoshiaki*

Physical Review Letters, 84(24), p.5548 - 5551, 2000/06

 Times Cited Count:103 Percentile:7.04(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Molecular dynamics analysis of negative poisson ratios over the $$alpha$$-$$beta$$ transition in cristobalite, SiO$$_{2}$$

Kimizuka, Hajime*; Kaburaki, Hideo; Shimizu, Futoshi; Kogure, Yoshiaki*

Progress of Theoretical Physics Supplement, (138), p.229 - 233, 2000/04

no abstracts in English

JAEA Reports

None

Yamanaka, Shinsuke*; Uno, Masayoshi*; Kurosaki, Ken*; ; Namekawa, Takashi

JNC-TY9400 2000-011, 41 Pages, 2000/03

JNC-TY9400-2000-011.pdf:1.28MB

no abstracts in English

JAEA Reports

None

Yamanaka, Shinsuke*; Abe, Kazuyuki

JNC-TY9400 2000-004, 78 Pages, 2000/03

JNC-TY9400-2000-004.pdf:2.39MB

no abstracts in English

JAEA Reports

Analysis of weld residual stresses by FINAS (1)

*;

JNC-TN9400 2000-047, 114 Pages, 2000/03

JNC-TN9400-2000-047.pdf:8.25MB

Prediction of weld residual stresses by a general finite element code is beneficial to the improvement of the accuracy of integrity assessment and residual life assessment of FBR plants. This reports develops an evaluation method of weld residual stresses using FINAS. Firstly, we suggested a basic procedure derived from parametric analyses with a simple weld joint model. The procedure can be summarized as follows: (1)For heat conduction analysis, prepare different models corresponding to the number of layers to be modeled. Hand over the analytical results to the following model. (2)Use multi-linear stress-strain curves for modeling the stress-strain response of base metal and weld metal. Use the isotropic hardening rule. (3)When metals are melt, use a user-subroutine to keep stresses from arising. (4)Put the thermal expansion coefficient as zero when heat is being input. Then, using the above procedure and TIG welding, we predicted the weld residual stresses of plate and tube. The results agreed well with the other reports, showing the suggested procedure was reasonable.

Journal Articles

Measurement of internal stress of ceramics by neutron diffraction method

*; Tanaka, Keisuke*; *; Minakawa, Nobuaki; Morii, Yukio; *

Nippon Kikai Gakkai Rombunshu, A, 62(600), p.1924 - 1930, 1996/08

no abstracts in English

JAEA Reports

Review of Structural Design Criteria for Heat Exchanger Tube Sheets

Hada, Kazuhiko

JAERI-M 9094, 185 Pages, 1980/10

JAERI-M-9094.pdf:4.24MB

no abstracts in English

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