CiNii Articles - J-integral

1

Investigation of calculation procedure of stress intensity factor for fully circumferential flaw beneath reactor pressure vessel cladding [in Japanese]

HIROTA Takatoshi , OGAWA Naoki , SAKAMOTO Hiroyuki

… However, since this method is a rather conservative in comparison with that obtained by elastic-plastic finite element analysis, JEAC 4206-2016 also allows to calculate the stress intensity factor by converting the J-integral obtained from elastic-plastic finite element analysis. …

Transactions of the JSME (in Japanese), 2020

J-STAGE
2

Application of ΔJ based on the domain integral method to finite strain elastic-plastic crack propagation problem under cyclic loads [in Japanese]

荒井皓一郎 , 岡田裕 , 佐々木由実 , 坂部猛志朗 , 遊佐泰紀

計算工学講演会論文集 Proceedings of the Conference on Computational Engineering and Science 24, 6p, 2019-05
3

Estimating J-integral from Displacement Fields Measured by Digital Image Correlation [in Japanese]

米山聡

非破壊検査 : 検査と材料評価 : journal of the Japanese Society for Non-destructive Inspection 68(4), 155-161, 2019-04
4

Effects of Ni and Co Contents on Characteristics of Tensile, Impact, and Fracture Toughness of Low Thermal Expansive Spheroidal Graphite Cast Iron [in Japanese]

Hatate Minoru , Kawahara Kiyohiro , Shiota Toshio , Komatsu Shinichiro

… Several characteristics such as thermal expansion, strength, ductility, and toughness were examined in thermal expansion, static tensile, dynamic Charpy impact, and fracture toughness (J-integral) tests for two series of 1.8%C-1%Si low thermal expansive spheroidal graphite cast iron (LE-FCD) samples. … The fracture toughness JIC …

Journal of Japan Foundry Engineering Society 91(12), 856-862, 2019

J-STAGE
5

EFFECT OF LOCAL PLASTIC COMPONENT ON CRACK OPENING DISPLACEMENT AND ON J-INTEGRAL OF A CIRCUMFERENTIAL PENETRATED CRACK

Machida Hideo , Arakawa Manabu , Wakai Takashi

… This paper describes the effect of local plastic component on J-integral and crack opening displacement (COD) evaluation of a circumferential penetrated crack, applicable to the leak before break (LBB) assessment for sodium cooled fast reactor (SFR) components. … J-integral COD evaluation methods are generally formulated as a summation of elastic and plastic components, and so far many evaluation formulae based on these two components have been proposed. …

The Proceedings of the International Conference on Nuclear Engineering (ICONE) 2019.27(0), 1143, 2019

J-STAGE
6

Shape optimization problem based on the generalized J integral considering RANS and Snapshot POD

NAKAZAWA Takashi

… For suppression of time periodic flow and normal stress using optimal design techniques, this paper presents an optimal shape by sensitivity based on the Generalized J Integral, and makes a comparison to results of sensitivity evaluated by boundary and volume integrations of a type that is widely used for shape optimization problems. …

Journal of Fluid Science and Technology 14(3), JFST0015-JFST0015, 2019

J-STAGE
7

Study on Elastic-plastic fracture mechanics assessment method of a pipe having multiple circumferential surface cracks for the Rules on Fitness-for-Service of JSME [in Japanese]

MACHIDA Hideo , OKAMOTO Toshiki , YOSHIDA Shinji

… Ductile fracture strength of a multiple cracked pipe was evaluated using J-integral based on a reference stress method. …

Transactions of the JSME (in Japanese) 85(876), 18-00391-18-00391, 2019

J-STAGE
8

Investigation on Simplified Equation for Estimating J-Integral of Adhesive Joint and Its Application to Galvannealed Steel Plate

Ogawa Kensuke , Maeda Ryusei , Kobayashi Takaya , Yokoi Eiichiro , Furusawa Toru , Takada Kenji , Omiya Masaki

… This study focuses on the fracture behaviors of the cohesive zone under mixed-mode conditions, and a method for evaluation of the J-integral parameters using the displacement of the crack tip opening is proposed. … Furthermore, the method is applied to adhesive joints on galvannealed steel, and its fracture mechanism is investigated. This Paper was Originally Published in Japanese in J. …

MATERIALS TRANSACTIONS 60(9), 1928-1935, 2019

J-STAGE
9

Effect of Strain Rate on the Fracture Toughness of Borated Stainless Steel [in Japanese]

ITO Naohiro , HASUNUMA Shota , OGAWA Takeshi , YONEYAMA Satoru

… J-integral and crack growth increment are determined by the DIC method and the fracture resistance curve is obtained. …

Journal of the Society of Materials Science, Japan 68(8), 622-627, 2019

J-STAGE
10

Determination of Cohesive Laws of an Acrylic Adhesive and theirApplication to Estimation of Adhesively Bonded Lap Joint Strengths [in Japanese]

IMANAKA Makoto , OMIYA Masaki , TAGUCHI Noriaki

… まず，本接着剤で接着されたArcan 型接着継手を用いて，モード1 および2 の荷重下でのアクリル接着剤のcohesive law を，接着層に垂直および接線方向のJ 積分およびき裂先端部の変位を同時に記録することによって求めた。 …

Journal of The Adhesion Society of Japan 55(4), 130-142, 2019

J-STAGE
11

On the Advancement of 3D Fracture Mechanics Simulation and Its Issues to Overcome [in Japanese]

岡田裕

シミュレーション = Journal of the Japan Society for Simulation Technology 37(4), 260-269, 2018-12
12

Characterization of stress corrosion crack growth in austenitic stainless steel under variable loading in small- and large-scale yielding conditions

Fujii Tomoyuki , Tohgo Keiichiro , Kawamori Motohiro , Shimamura Yoshinobu

Engineering Fracture Mechanics (205), 94-107, 2018-11-08

IR
13

Mechanics of Cracks : Concept of Fracture Mechanics and Its Applications [in Japanese]

久保司郎

腐食防食部門委員会資料 57(323), 1-11, 2018-07-24
14

Applicability of J integral under large-scale yielding and evaluation of stress field and stress triaxality around crack tipe [in Japanese]

Wada Yoshitaka , Mitsumasu Yuka , Kikuchi Masanori

… The relationship between total reaction force and load point displacement and crack propagation rate and ΔJ … ΔJ … However, crack propagation rate and ΔJ …

The Proceedings of the Materials and Mechanics Conference 2018(0), OS1412, 2018

J-STAGE
15

Investigation of Test Method for Fracture Toughness of Borated Stainless Steel under High Strain Rate [in Japanese]

ITO Naohiro , HASUNUMA Shota , OGAWA Takeshi , YONEYAMA Satoshi

… J-integral and crack growth increment are determined from the DIC and fracture resistance curve is derived. …

The Proceedings of the Materials and Mechanics Conference 2018(0), OS1201, 2018

J-STAGE
16

Small Fatigue Crack Initiation and Growth behavior of Low Carbon Steel with Simulated HAZ Heat Treatment [in Japanese]

NISHIKAWA Hideaki , FURUYA Yoshiyuki

… Furthermore, early stage small crack growth life became comparable to long crack data by using effective J-integral range evaluated from measured crack opening point. …

The Proceedings of the Materials and Mechanics Conference 2018(0), OS0809, 2018

J-STAGE
17

New three dimensional J- and ΔJ-integral based on the domain integral method and their example [in Japanese]

ARAI Koichiro , OKADA Hiroshi , YUSA Yasunori

… In this paper, new 3D J-integral andΔJ-integral for large strain elastic-plastic problems based on the domain integral method are presented. … Then a numerical example for the new 3D J-integral is shown. … The results show that the new 3D J-integral does not depend on the size of the integral domain. …

The Proceedings of The Computational Mechanics Conference 2018.31(0), 151, 2018

J-STAGE
18

Fracture Mechanics Evaluation of Adhesive Joint by Digital Image Correlation [in Japanese]

SHIMAMOTO Shota , SHIMIZU Kento , OMIYA Masaki , YONEYAMA Satoru

… In this study, a method for obtaining J-integral values from path integrals using the Digital Image Correlation(DIC) as the fracture mechanics evaluation method of the adhesive bonding material is studied. … At first, we adapted the developed method to aluminum alloy A5052 and confirmed that J-integral values from DIC is agree with that of FEM analyses in mixed mode tensile tests. …

The Proceedings of Mechanical Engineering Congress, Japan 2018(0), J0470304, 2018

J-STAGE
19

Development of a VBA-Based Crack Propagation Simulation Program and Its Verifications:(Experimental Verification of Thermal Fatigue Crack Propagation) [in Japanese]

TAKEMASA Akira , FUJIOKA Terutaka

The Proceedings of Mechanical Engineering Congress, Japan 2018(0), J0320203, 2018

J-STAGE
20

Development of dimensionless parameter database for simplified estimation of elastic-plastic J-integral [in Japanese]

KANEKO Yusuke , FUJIOKA Terutaka , YAMASAKI Ippei

… For predicting fatigue crack propagation behaviors, fatigue J-integral type elastic-plastic fracture mechanics parameters should be employed. … One of the representative methods may be the enhanced reference stress approach in which limit load is modified by comparing simplified J-integrals with FEA solutions. …

The Proceedings of Mechanical Engineering Congress, Japan 2018(0), J0320204, 2018

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