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Journal Articles

Novel bond stress evaluation technique using neutron diffraction

Suzuki, Hiroshi; Kusunoki, Koichi*; Kanematsu, Manabu*; Mukai, Tomohisa*

Konkurito Kozobutsu No Hihakai Kensa Shimpojiumu Hobunshu, 6, p.343 - 348, 2018/08

no abstracts in English

Journal Articles

Visualization technique with the energy-resolved neutron imaging system, RADEN

Kai, Tetsuya; Shinohara, Takenao; Hiroi, Kosuke; Su, Y.; Oikawa, Kenichi

Hihakai Kensa, 67(5), p.209 - 216, 2018/05

no abstracts in English

Journal Articles

Non-destructive bond stress evaluation of bending and shear deformed reinforced concrete structure using neutron diffraction

Suzuki, Hiroshi; Kusunoki, Koichi*; Satake, Kosuke*; Kanematsu, Manabu*; Koyama, Taku*; Niwa, Akinobu*; Kabayama, Kenji*; Mukai, Tomohisa*; Kawasaki, Takuro; Harjo, S.

Hihakai Kensa, 67(4), p.180 - 186, 2018/04

The bond behavior between rebar and concrete under bending moment was investigated by measuring the stress distribution in the two-dimensionally distributed rebars embedded in the reinforced concrete (RC) beam using neutron diffraction. The stress distributions in both of the main rebar and the transverse stirrups embedded in concrete were successfully measured at the fixed measurement configuration without any sample rotations, by suggesting a simple measurement technique on the premise that the transverse restriction from the surrounding concrete to the main rebar is negligible. The bending and shear fracture behavior of the RC beam specimen was predicted by comparing changes in the stress distribution in the rebars measured by neutron diffraction with respect to the applied stress, with the macroscopic deformation measured by strain gauges fixed on the concrete surface. In this study, it was found that the neutron diffraction technique can be a useful technique to evaluate not only the anchorage performance but also the bending behavior of the RC beam.

Journal Articles

Successful visualization of internal structures of reactor core in the HTTR; Non-destructive inspection by cosmic-ray muon radiography

Takamatsu, Kuniyoshi

Hihakai Kensa, 65(5), p.207 - 210, 2016/05

JP, 2010-166333   Patent publication (In Japanese)

In our study, we focused on a nondestructive inspection method by cosmic-ray muons which could be used to observe the internal reactor from outside the RPV and the CV. We conducted an observation test on the HTTR to evaluate the applicability of the method to the internal visualization of a reactor. We also analytically evaluated the resolution of existing muon telescopes to assess their suitability for the HTTR observation, and were able to detect the major structures of the HTTR based on the distribution of the surface densities calculated from the coincidences measured by the telescopes. Our findings suggested that existing muon telescopes could be used for muon observation of the internal reactor from outside the RPV and CV.

Journal Articles

Application of stress measurement techniques using neutron diffraction

Suzuki, Hiroshi

Hihakai Kensa, 60(2), p.79 - 85, 2011/02

no abstracts in English

Journal Articles

How to use neutron radiography at JRR-3

Iikura, Hiroshi

Hihakai Kensa, 60(2), p.93 - 97, 2011/02

no abstracts in English

Journal Articles

Evaluation of neutron irradiation embrittlement in structural materials for reactor pressure vessel

Ooka, Norikazu*; Ishii, Toshimitsu

Hihakai Kensa, 52(5), p.235 - 239, 2003/05

no abstracts in English

Journal Articles

Activities for drafting standards of nondestructive testing by infrared thermography

Ishii, Toshimitsu

Hihakai Kensa, 51(6), p.328 - 332, 2002/06

no abstracts in English

Journal Articles

Detection of internal defect in materials by infrared thermography and its numerical simulation; Effect of thermal diffusivity of materials on defect detection

Ishii, Toshimitsu; Inagaki, Terumi*; Sakane, Taisuke*; Nakatani, Takahiko*; Ooka, Norikazu; Omi, Masao; Hoshiya, Taiji

Hihakai Kensa, 51(4), p.223 - 230, 2002/04

no abstracts in English

Journal Articles

Latest instruments for neutron imaging and recent research results

Matsubayashi, Masahito

Hihakai Kensa No Saizensen (CD-ROM), 7 Pages, 2002/00

no abstracts in English

Journal Articles

Detection of internal defect in materials by means of infrared thermography and its numerical simulation

Ishii, Toshimitsu; Hoshiya, Taiji; Ooka, Norikazu; Inagaki, Terumi*; Nakatani, Takahiko*

Nippon Hihakai Kensa Kyokai Heisei-12-Nendo Shuki Taikai Koken Gaiyoshu, p.105 - 108, 2000/11

no abstracts in English

Journal Articles

Study on nondestructive detection of surface flaw on materials by means of infrared thermography

; Okamoto, Yoshizo*; Ooka, Norikazu; Eto, Motokuni; Hoshiya, Taiji

Hihakai Kensa, 48(10), p.682 - 687,640, 1999/10

no abstracts in English

Journal Articles

Investigation of qualification, certification and reference testing methods on nondestructive inspection by means of infrared thermography

; Okamoto, Yoshizo*

Hihakai Kensa, 48(10), p.642 - 652, 1999/10

no abstracts in English

Journal Articles

Application of microcalorimeter to radioactivity measurements

*;

Hihakai Kensa, 48(5), p.279 - 282, 1999/05

no abstracts in English

Journal Articles

On the proposal of quantitative temperature measurement using three-colored technique combined with several infrared sensors having different wavelength bands

Inagaki, Terumi*; Ishii, Toshimitsu; Okamoto, Yoshizo*

Hihakai Kensa, 48(10), p.673 - 681, 1999/00

no abstracts in English

Journal Articles

Nondestructive inspection method for archaeological objects using imaging plates

Matsubayashi, Masahito; Niimura, Nobuo*

Hihakai Kensa, 47(5), p.312 - 314, 1998/00

no abstracts in English

Journal Articles

Production of radiographic $$gamma$$ーray sources

Hihakai Kensa, 46(11), p.788 - 791, 1997/11

no abstracts in English

Journal Articles

For the special issue of radiography with $$gamma$$ ray sources

Hihakai Kensa, 46(11), P. 783, 1997/00

no abstracts in English

Journal Articles

Development and test of water level gauge with binary coding thermocouples

Ara, Katsuyuki

Hihakai Kensa, 45(3), p.189 - 194, 1996/00

no abstracts in English

Journal Articles

Radiation effects on fiber-reinforced plastics

Udagawa, Akira

Hihakai Kensa, 45(4), p.270 - 275, 1996/00

no abstracts in English

39 (Records 1-20 displayed on this page)