・Keiji Houjou, Nao Terasaki, Shin Horiuchi, Kiyoshi Yase, Kazumasa Shimamoto, Haruhisa Akiyama ”Effect of laser treatment on the strength of moisture-degraded epoxy adhesive joints and microscopic observation of the treated surface” The Journal of Adhesion 2024 (submit)
・Keiji Houjou, Kazumasa Shimamoto, Haruhisa Akiyama and Chiaki Sato, ”Strength calculation using extensive temperature dependence and thermal activation of tensile strength, fatigue strength, and creep strength” INT J ADHES ADHES, 2024 (submit)
・Nao Terasaki, Yuki Fujio, Yoshitaro Sakata, Keiji Houjou, Kazumasa Shimamoto, Haruhisa Akiyama, Kiyoshi Yase, Shin Horiuchi, Sven Hartwig, Julian Steinberg, Christian Gundlach & Rio Hirakawa. ”Mechanoluminescent visualization of dynamic strain distribution during lap sheer test -effect of bond thickness, overlap length and surface laser treatment-“, The Journal of Adhesion 2024 (submit)
・Nao Terasaki, Yuki Fujio, Yoshitaro Sakata, Keiji Houjou, Kazumasa Shimamoto, Haruhisa Akiyama, Kiyoshi Yase, Shin Horiuchi, Sven Hartwig, Julian Steinberg, Christian Gundlach & Rio Hirakawa. “Effect of laser pre-treatment on adhesive joint performance and evaluation of interfacial strain distribution using mechanoluminescence.” The Journal of Adhesion 2024 DOI: 10.1080/00218464.2024.2313103
・Keiji Houjou, Kazumasa Shimamoto, Haruhisa Akiyama, Nao Terasaki, Chiaki Sato, Calculation of the moisture diffusion coefficient at the adhesive interface of double cantilever beam specimens by studying the fracture surfaces, Polymer Testing. 2023 DOI: 10.1016/j.polymertesting.2023.108141.
・【総説】北條恵司，“エポキシ系構造用接着接合体設計のための疲労試験および評価方法”，日本接着学会誌，Vol. 60 No. 1, 2024, pp19-23.
・K. Houjou, Y. Sekiguchi, K. Shimamoto, H. Akiyama and C. Sato, Energy release rate and crack propagation rate behaviour of moisture-deteriorated epoxy adhesives through the double cantilever beam method, The Journal of Adhesion, 2023, VOL. 99, NO. 6, 1016?1030. doi.10.1080/00218464.2022.2074295
・Kota Nakamura, Yu Sekiguchi, Kazumasa Shimamoto, Keiji Houjou, Haruhisa Akiyama and Chiaki Sato, Creep Crack Growth Behavior during Hot Water Immersion of an Epoxy Adhesive Using a Spring-Loaded Double Cantilever Beam Test Method., Materials (2023), 16, 607. DOI:10.3390/ma16020607
・ K. Houjou, H. Akiyama and C. Sato, Fatigue fracture behavior of cured epoxy adhesive containing a surface crack, Polymer Testing, 2022, (in press) DOI:10.1016/j-polymertesting.2022.107821
・ Y. Sekiguchi, K. Houjou, K. Shimamoto and C. Sato, Two‐parameter analysis of fatigue crack growth behavior in structural acrylic adhesive joint. Fatigue & Fracture of Engineering Material & Structures, 2022, (in press) DOI:10. 1111/ffe.13908
・ K. Houjou, K. Shimamoto, H. Akiyama & C. Sato, Effect of test temperature on the shear and fatigue strengths of epoxy adhesive joints, The Journal of Adhesion, (2021), Vol.98 (16) pp1-19. DOI:10.1080/00218464.2021.198270
・ K. Houjou, K. Shimamoto, H. Akiyama & C. Sato, Effect of cyclic moisture absorption/desorption on the strength of epoxy adhesive joints and moisture diffusion coefficient, The Journal of Adhesion, (2022) Vol. 98, 11, pp1535-1551. DOI: 10.1080/00218464.2021.1926242
・ K. Houjou, K. Shimamoto, H. Akiyama & C. Sato Experimental investigation on effect of a wide range of strain rates on mechanical properties, and prediction of creep and impact strength, The Journal of Adhesion, Vol. 98, 5, 2022, pp449-463. DOI:10.1080/00218464.2020.1840368
・ K. Shimamoto, S. Batorova, K. Houjou, H. Akiyama & C. Sato, Degradation of Epoxy Adhesive containing Dicyandiamide and Carboxyl-Terminated Butadiene Acrylonitrile Rubber due to Water with Open-faced Specimens, The Journal of Adhesion, Vol.97, 15, 2021, pp1388-1403. DOI: 10.1080/00218464.2020.1772061
・ K. Shimamoto, S. Batorova, K. Houjou, H. Akiyama & C. Sato, Accelerated test method for water resistance of adhesive joints by interfacial cutting of open-faced specimens, The Journal of Adhesion, Vol.97, 2021, 13, pp1255-1270. DOI: 10.1080/00218464.2020.1747446
・ K. Houjou, K. Shimamoto, H. Akiyama & C. Sato “Dependence of fatigue limit on stress ratio and influence of cyclic stress on shear strength for an adhesive lap joint”, The Journal of Adhesion, VOL. 97, NO. 12, (2021) pp1153?1165 DOI: 10.1080/00218464.2020.1738934
・ KEIJI Houjou and KAZUHISA Yanagi, “Geometrical specification of cutting edge and measuring strategy for evaluation”, Key Engineering Materials, (2015), DOI:
・ 北條恵司，高橋宏治，安藤柱，笛木隆太郎，岡田秀樹, “ショットピーニングによる表面き裂の無害化寸法に与える材料硬さの影響”, 材料，Vol. 64, No. 11, (2015) pp. 859- 864. DOI: 10.2472/jsms.64.859
・ Ryoutaro Fueki, Koji Takahashi, Keiji Houjou, “Fatigue Limit Prediction and Estimation for the Crack Size Rendered Harmless by Peening for Welded Joint Containing a Surface Crack”, Materials Sciences and Applications, Vol.6, No.6, (2015) pp.500-510. DOI:
・ 笛木隆太郎, 安部央矩, 高橋宏治, 安藤柱, 北條恵司, 半田充, “溶接止端部にき裂を有するステンレス鋼のピーニングによる疲労限度向上とき裂の無害化”, 高圧力技術協会, Vol53. No. 3, （2015) pp.30-38, DOI:
・ Keiji Houjou, Koji Takahashi, Kotoji Ando, Hisanori Abe, “Effect of peening on the fatigue limit of welded structural steel with surface crack, and rendering the crack harmless”, International Journal of Structural Integrity, Vol. 5 No. 4, (2014), pp. 279-289 DOI:
・ 北條恵司，山下進，増淵寿，那須裕規, “学習意欲を誘起する創造的ものづくりによる高専機械工学科新入生に対する導入教育” 高専教育，(2014) pp.255-260.
・ 高橋宏治, 北條恵司, 安部央矩, 安藤 柱, 岡崎慎司, “ピーニングによる圧力容器の安全性向上に関する基礎研究” ボイラ研究，（2013）pp.15-22 DOI:
・ 北條 恵司, 高橋 宏治, 安藤 柱, “き裂を有する溶接継ぎ手の疲労限度に与えるピーニングの影響およびき裂の無害化”, ショットピーニング技術協会論文集, Vol.25, No.3,（2013）pp.97-104. DOI:
・ Keiji Houjou, Kotoji Ando, Koji Takahashi, “Improvement of fatigue limit by overload for high-tensile strength steel containing a crack in the stress concentration zone”, International Journal of Structural Integrity, Vol. 4 No. 2, (2013) pp. 258-266 DOI: 10.1108/IJSI-09-2012-0023
・ 北條 恵司,高橋 宏治,安藤 柱,関口祐司, “溶接止端部にき裂を有する構造用圧延鋼のピーニングによる疲労限度向上およびき裂の無害化”, 日本機械学会論文集Ａ編, Vol. 79, No. 797, (2013) pp. 110-114. DOI: 10.1299/kikaia.79.110
・ 北條恵司，“機械製図教育における評価精度および採点効率に優れた3次元CAD実習課題の開発”，日本工学協会誌vol.61 No.2, (2013) pp.7-11, DOI: 10.4307/jsee.61.2_7
・ Keiji Houjou, Kotoji Ando, Koji Takahashi, “Improvement of fatigue limit by shot peening for high-tensile strength steel containing a crack in the stress concentration zone”, International Journal of Structural Integrity, Vol. 4 No. 2, (2013) pp. 258-266, DOI: 10.1108/17579861311321726
・ 北條 恵司，高橋 宏治，安藤 柱，大塚 勝也，“応力集中部にき裂を有するばね鋼の単一過大曲げモーメント負荷による疲労限度向上およびき裂の無害化”，日本機械学会論文集Ａ編，第78巻第793号 (2012) pp.1266-1274, DOI: 10.1299/kikaia.78.1266:
・ 北條 恵司, 高橋 宏治, 安藤 柱，“応力集中部にき裂を有するばね鋼のショットピーニングによる疲労限度向上およびき裂の無害化”，ショットピーニング技術，Vol.24. No.1，(2012) .pp2-10，DOI:
・ Keiji Houjou, Kotoji Ando, Koji Takahashi, “Analytical investigation of effect of stress ratio on threshold stress intensity factor range improved by overload”, International Journal of Structural Integrity, Vol.3, No.1, (2012) pp.53-60, DOI: 10.1108/17579861211209993
・ Keiji Houjou, Koji Takahashi, “Crack-healing Behaviour of ZrO2 /SiC Composite Ceramics and Strength Properties of Crack-healing Specimens”, International Journal of Structural Integrity Vol. 3, No.1, (2012) pp.41-52 DOI: 10.1108/17579861211209984
・ 北條恵司 須藤駿介 高橋宏治, “ジルコニア／SiC複合セラミックスのき裂治癒挙動およびき裂治癒材の強度特性”, 材料 Vol.60, No.8, (2011) pp. 742-747, DOI: 10.2472/jsms.60.742
・ 北條 恵司, 高橋 宏治, 安藤 柱, “応力比(S)が過大荷重効果によるき裂材の疲労ΔKth向上に与える影響の解析的検討”, 日本機械学会論文集Ａ編 Vol. 77, No. 774 (2011) pp373-377, DOI: 10.1299/kikaia.77.373
・ 高橋宏治, 佐野勇人, 北條恵司, 橋倉靖明, 水上博嗣, 安藤 柱, “過大予荷重によるSCC,疲労及び水素脆性き裂の進展阻止とき裂の無害化”, 保全学Vol.10, No.1, (2011) pp20-27,
・ 水上博嗣，北條恵司，高橋宏治，花折和也，丹下彰，安藤柱, “鋼の下限界応力拡大係数範囲に及ぼす過大荷重効果”, ばね論文集，55，(2010) pp1-5，DOI: 10.5346/trbane.2010.1
・ 北條恵司，高橋宏治，安藤柱, “応力比がHT540およびA7075の過大荷重効果に与える影響”, 機械学会論文集A編, Vol. 79, No.766, (2010) pp777-779, DOI: 10.1299/kikaia.76.777
・ Yasuaki Hashikura, Koji Takahashi, Yuji Miyazaki, Keiji Houjou and Kotoji Ando, “Overloading effect on the fatigue threshold stress intensity factor range (ΔKth) as a function of crack-length in SUS316”, International Journal of Structural Integrity. Volume 1 Issue 1, (2010) pp43-51.DOI: 10.1108/17579861011023784
・ 北條恵司, “機械製図教育における3次元CAD実習課題と評価の方法”, 高専教育，第33号，(2010) pp.347-352．
・ Keiji Houjou, Kotoji Ando, Koji Takahashi, “Crack-healing behaviour of ZrO2 /SiC composite ceramics”. International Journal of Structural Integrity，Volume 1 Issue 1, (2010),pp73-84. DOI: 10.1108/17579861011023810
・ 北條恵司，高橋宏治，安藤柱，”過大荷重がＡ7075の下限界応力拡大係数範囲に及ぼす影響“，高圧力技術協会, VOL.48-2,（2010) pp30-37 DOI: 10.11181/hpi.48.78
・ 水上博嗣，北條恵司，高橋宏治，花折和也，丹下彰，安藤柱, “過大荷重効果による自動車搭載圧力容器の品質保証”, 金属，Vol.79 No.10, (2009), pp877-882
・ 北條恵司，安藤柱，高橋宏治, ジルコニア/SiC複合セラミックスのき裂治癒挙動”, 材料．Vol.58,No.6，p510-515 (2009) DOI: 10.2472/jsms.58.510
・ Yasuaki Hashikura, Keiji Houjou, Yuji Miyazaki, Koji Takahashi, Kotoji Ando., “Effect of overload on the fatigue threshold stress intensity factor range (ΔKth) of SUS316”, Journal of High Pressure Institute of Japan, Vol.47，No．5, (2009) pp314-320, DOI: 10.11181/hpi.47.314
・北條恵司, 高専における機械設計製図教育に関する提案, 高専教育，31号, (2008) pp13-17,
・ M. Nakatani, K. Ando, K. Houjou, “Oxidation behaviour of Si3N4/Y2O3 system ceramics and effect of crack-healing treatment on oxidation”, Journal of the European Ceramic Society, Vol.28, (2008) pp.1251-1257., DOI: 10.1016/j.jeurceramsoc.2007.10.009
・K. Takahashi, H. Murase, S. Yoshida, K. Houjou, K. Ando and S. Saito, “Improvement of static fatigue strength of Si3N4/SiC crack-healed under cyclic stress”, Journal of the European Ceramic Society, Vol.25-11, (2005) pp.1953 -1959., DOI: 10.1016 /j.jeurceramsoc. 2004.06.010
・ K. Houjou, K. Ando, M.C. Chu, S.P. Liu and S. Sato, “Effect of sintering additives on the oxidation behavior of Si3N4 ceramics at 1300℃”, Journal of the European Ceramic Society, Vol.25-5 (2005), pp.559-567. DOI: 10.1016/j.jeurceramsoc.2004.03.023
・ K. Houjou, K. Ando, S.P. Liu, S. Sato, “Crack-Healing and Oxidation Behavior of Silicon Nitride Ceramics.” Journal of the European Ceramic Society, Vol. 24(8), (2004), pp.2329-2338. DOI: 10.1016/S0955-2219(03)00645-9
・ 北條恵司，平井清人，安藤柱，秋ミンチョル，松下真也，佐藤繁美, 窒化ケイ素セラミックスの高温酸化挙動に及ぼす焼結助剤およびSiC添加の影響, 材料，51巻11号(2003)，pp.1235-1242. DOI:10.2472/jsms.51.1235
・ K. Ando, K. Houjou, M.C. Chu, K. Takahashi, F. Yao, and S. Sato, “Crack-healing behavior under stress and fatigue strength at elevated temperature of crack-healed Si3N4/SiC composite ceramics”, Key Engineering Materials, (2002), pp.819-822,
・ K. Ando, K. Houjyou, M.C. Chu, S. Takeshita, K. Takahashi S. Sakamoto and S. Sato, “Crack-healing behaviour of Si3N4/SiC ceramics under stress and fatigue strength at the temperature of healing (1000℃)”, Journal of the European Ceramic Society, Vol. 22, (2002) pp.1339-1346. DOI: 10.1016/S0955-2219(01)00435-6
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