{"title":"住宅用排水管内壁に生成するバイオフィルムとその評価","authors":"Kazuhisa Fuchigami, Yuichi Nakamura, Ryosuke Hashimoto, Takehito Katou, Hideyuki Kanematsu","doi":"10.4139/sfj.75.102","DOIUrl":"https://doi.org/10.4139/sfj.75.102","url":null,"abstract":"","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139876180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"住宅用排水管内壁に生成するバイオフィルムとその評価","authors":"Kazuhisa Fuchigami, Yuichi Nakamura, Ryosuke Hashimoto, Takehito Katou, Hideyuki Kanematsu","doi":"10.4139/sfj.75.102","DOIUrl":"https://doi.org/10.4139/sfj.75.102","url":null,"abstract":"","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139816388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preparation of Low-resistive and Adhesive Metallic Cu layer on Glass Substrate by Chemical Reactions","authors":"M. Izaki, Yui Hashimoto, kosuke Imahori, Rieru Inaba, Khoo Pei Loon, Hisaya Takahashi","doi":"10.4139/sfj.75.40","DOIUrl":"https://doi.org/10.4139/sfj.75.40","url":null,"abstract":"","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140522362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ajay Devrukhkar, K. Tashiro, Y. Umeda, Hideo Honma, Toshikatsu Mochizuki, Joo-Hyong Noh
{"title":"Optimization of Intermediate Annealing Treatment Duration for ABS Resin Plating Using UV Irradiation as A Pre-Treatment","authors":"Ajay Devrukhkar, K. Tashiro, Y. Umeda, Hideo Honma, Toshikatsu Mochizuki, Joo-Hyong Noh","doi":"10.4139/sfj.75.35","DOIUrl":"https://doi.org/10.4139/sfj.75.35","url":null,"abstract":"","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140523834","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In the construction material sector, aged buildings and structures are being renovated and a shortage of skilled workers is becoming further actualized. Therefore, there are greater needs for longer service life of social infrastructure and simpler construction. There is also demand for more superior environmentally friendly properties.
{"title":"接着性に優れたクロメートフリー化成処理皮膜の開発","authors":"Hiromasa SHOJI, Kunihiko TOSHIN, Atsushi MORISHITA, Kohei UEDA","doi":"10.4139/sfj.74.584","DOIUrl":"https://doi.org/10.4139/sfj.74.584","url":null,"abstract":"In the construction material sector, aged buildings and structures are being renovated and a shortage of skilled workers is becoming further actualized. Therefore, there are greater needs for longer service life of social infrastructure and simpler construction. There is also demand for more superior environmentally friendly properties.","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135371040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Improving the corrosion resistance of industrial chromium plating films necessitates stabilization of the chromium passive film and processes such as closing surface cracks. For this study, as a step toward finding a technique to improve the corrosion resistance of chromium plating, we investigated monitoring the immersion potential in hydrochloric acid solution as a method to evaluate the breakdown of the passive film of chrome plating films. The active dissolution time（tEF）of chromium plating films depends on the hydrochloric acid concentration and the measurement temperature. They likely behaved in a first-order chemical reaction manner. This method allowed the polishing and heat treatment of the chromium plating films to affect the stability of the passive films to be assessed. This simple and quick method is useful to evaluate the improvement of the corrosion resistance of industrial chromium plating products.
{"title":"Evaluation of Corrosion Resistance and Passive Film Properties of Industrial Chromium Plating by Immersion Potential Monitoring","authors":"Tsutomu MORIKAWA, Tomomi KITADA, Yasuyuki MORIMOTO","doi":"10.4139/sfj.74.534","DOIUrl":"https://doi.org/10.4139/sfj.74.534","url":null,"abstract":"Improving the corrosion resistance of industrial chromium plating films necessitates stabilization of the chromium passive film and processes such as closing surface cracks. For this study, as a step toward finding a technique to improve the corrosion resistance of chromium plating, we investigated monitoring the immersion potential in hydrochloric acid solution as a method to evaluate the breakdown of the passive film of chrome plating films. The active dissolution time（tEF）of chromium plating films depends on the hydrochloric acid concentration and the measurement temperature. They likely behaved in a first-order chemical reaction manner. This method allowed the polishing and heat treatment of the chromium plating films to affect the stability of the passive films to be assessed. This simple and quick method is useful to evaluate the improvement of the corrosion resistance of industrial chromium plating products.","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134934736","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
High-entropy and medium-entropy alloys are attracting keen attention as new classes of alloys in materials science. These alloys exhibit an excellent balance of strength and toughness, in addition to high corrosion resistance. The electrodeposition of such alloys has remained difficult because the overpotentials for electrodeposition vary depending on the elements which constitute the target multicomponent alloy. Furthermore, anomalous codeposition is sometimes unavoidable when the alloy includes iron group elements; in such a case, the control of composition in electrodeposition becomes nearly impossible. We have reported that these bottlenecks are overcome using water-in-oil emulsions as electrodeposition baths, where water droplets encapsulate metal ions to control the alloy composition by tuning the metal ion concentrations within the droplet. This method, by contrast, exhibited a low deposition rate because of the discontinuous supply of droplets to the electrode surface. This paper presents several strategies to increase the deposition rate: The findings clarified that increasing the metal ion concentrations within water droplets is effective, but a threshold concentration exists. The addition of multi-walled carbon nanotubes further promoted electrodeposition because they function as nucleation sites.
{"title":"Electrodeposition of a CoNiCu Medium-Entropy Alloy: Promotion of the Electrodeposition Rate and Composite Deposition with Carbon Nanotubes","authors":"Yuki MURAKAMI, Kuniaki MURASE, Kazuhiro FUKAMI","doi":"10.4139/sfj.74.529","DOIUrl":"https://doi.org/10.4139/sfj.74.529","url":null,"abstract":"High-entropy and medium-entropy alloys are attracting keen attention as new classes of alloys in materials science. These alloys exhibit an excellent balance of strength and toughness, in addition to high corrosion resistance. The electrodeposition of such alloys has remained difficult because the overpotentials for electrodeposition vary depending on the elements which constitute the target multicomponent alloy. Furthermore, anomalous codeposition is sometimes unavoidable when the alloy includes iron group elements; in such a case, the control of composition in electrodeposition becomes nearly impossible. We have reported that these bottlenecks are overcome using water-in-oil emulsions as electrodeposition baths, where water droplets encapsulate metal ions to control the alloy composition by tuning the metal ion concentrations within the droplet. This method, by contrast, exhibited a low deposition rate because of the discontinuous supply of droplets to the electrode surface. This paper presents several strategies to increase the deposition rate: The findings clarified that increasing the metal ion concentrations within water droplets is effective, but a threshold concentration exists. The addition of multi-walled carbon nanotubes further promoted electrodeposition because they function as nucleation sites.","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134934728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
K. Ishimi, T. Fujino, Muneaki Ida, Yoshiaki Ida, Katsuhisa Sugimoto
{"title":"イソプロピルアルコール中での電解研磨SUS316Lステンレス鋼の局部腐食とその防止のための表面処理法","authors":"K. Ishimi, T. Fujino, Muneaki Ida, Yoshiaki Ida, Katsuhisa Sugimoto","doi":"10.4139/sfj.74.486","DOIUrl":"https://doi.org/10.4139/sfj.74.486","url":null,"abstract":"","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82305102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Eight Phenomena to Explain the Frictional Properties of Carbon-Based Thin Films","authors":"K. Kanda","doi":"10.4139/sfj.74.480","DOIUrl":"https://doi.org/10.4139/sfj.74.480","url":null,"abstract":"","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77786591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Electrodeposition of High-bright and Hard Cr-C Layers with High-current Efficiency from Chromium(III) Sulfate/Organic Additives Aqueous Baths","authors":"Shyouta Ikoma, Guanglong Qiu, Mitsuru Yamada, Manato Mizushina, Akimasa Kawai, Mika Fukunishi, Futoshi Matsumoto","doi":"10.4139/sfj.74.417","DOIUrl":"https://doi.org/10.4139/sfj.74.417","url":null,"abstract":"","PeriodicalId":17564,"journal":{"name":"Journal of The Surface Finishing Society of Japan","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87090289","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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