Article
Engineering, Chemical
Shun Aoyama, Hiroki Nagasawa, Masakoto Kanezashi, Toshinori Tsuru
Summary: The effects of plasma treatment time on the gas permeation and pervaporation dehydration properties of organosilica membranes were investigated. The study found that increasing plasma modification time resulted in a decrease in pore size, leading to an increased He/N2 permeance ratio. The H2O/EtOH permeance ratio also increased from about 20 to over 1000 as the plasma modification time increased due to changes in pore structure and water adsorption properties.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Metallurgy & Metallurgical Engineering
Kenta Nakazawa, Tatsuki Ohashi, Shotaro Saiki, Shoichi Kikuchi
Summary: The method of hardening AZ31 magnesium alloy using an atmospheric-pressure plasma jet at room temperature by exciting oxygen and nitrogen molecules to form an oxynitrided layer has been developed. This promising approach enhances the hardness of magnesium alloys without the need for heat treatment.
JOURNAL OF MAGNESIUM AND ALLOYS
(2022)
Article
Metallurgy & Metallurgical Engineering
Kenta Nakazawa, Tatsuki Ohashi, Shotaro Saiki, Shoichi Kikuchi
Summary: Surface-hardening treatment for AZ31 magnesium alloy was achieved using an atmospheric-pressure plasma jet at room temperature, resulting in the formation of an oxynitrided layer and oxygen and nitrogen diffusion layer, which increased the hardness of the alloy. This method is a promising approach for locally hardening magnesium alloys without the need for heat treatment.
JOURNAL OF MAGNESIUM AND ALLOYS
(2022)
Article
Chemistry, Multidisciplinary
Shun Aoyama, Hiroki Nagasawa, Masakoto Kanezashi, Toshinori Tsuru
Summary: In this study, a novel atmospheric-pressure water vapor plasma modification method was developed to enhance the pervaporation performance of organosilica membranes. The plasma treatment significantly improved the surface hydrophilicity and molecular sieving properties of the membranes, leading to high selectivity and permeance in the dehydration of alcohol solutions.
Article
Materials Science, Multidisciplinary
Artem Arkhangelskiy, Alberto Quaranta, Lucio Pancheri, Devid Maniglio
Summary: A novel method for creating conductive biocompatible coatings using cold plasma-assisted processes is reported in this study. The controlled deposition of conductive polymer PEDOT:PSS on substrates with different characteristics is achieved, and the stability and adhesion of the deposited films are studied. The influence of plasma reaction and etching mechanism on the electrical parameters is investigated using electrical resistance measurements. Additionally, the method is successfully applied to deposit stacked layers structures, opening up possibilities for designing basic passive electrical components and advanced biosensor devices with complex shapes.
ADVANCED ENGINEERING MATERIALS
(2023)
Article
Materials Science, Coatings & Films
Lee Organski, Xingxing Wang, Andrew Myers, Yun-Chu Chen, Kinam Park, Sarena. D. D. Horava, Coralie. A. A. Richard, Yoon Yeo, Alexey Shashurin
Summary: In this study, a DBD plasma apparatus was developed to continuously treat the inner surface of microbore tubing and investigate the effects of plasma power and treatment time on surface roughness and wettability.
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
(2022)
Article
Engineering, Industrial
Kazutoshi Katahira, Atsushi Ezura, Shogo Takesue, Jun Komotori
Summary: This study investigates the effect of atmospheric pressure nitrogen plasma combined with femtosecond laser surface modification on Ti-6Al-4V samples. The results suggest that the LP series samples (subjected to both laser and plasma irradiation) exhibit superior friction and wear characteristics due to the synergistic combination of three factors: increased smoothness through homogenizing laser-induced periodic surface groove shape structure, high hardness caused by grain refinement, and the formation of oxynitride leading to high toughness and low friction properties.
CIRP ANNALS-MANUFACTURING TECHNOLOGY
(2022)
Article
Chemistry, Physical
Sile Chen, Tao Cheng, Zhaoquan Chen, Xingyu Chen, Guan-Jun Zhang
Summary: Surface fluorination by low-temperature plasma treatment can enhance the surface electrical strength of insulating materials. The performance of modified materials is influenced by operation parameters, leading to different physical and chemical changes on the surface properties. Adjusting plasma exposure time, applied voltage, and CF4 volume fraction can affect the multi-effects caused by the various processes in the interface between plasma and material surface.
APPLIED SURFACE SCIENCE
(2021)
Review
Physics, Applied
Frank Foerster
Summary: This paper introduces the development and application of atmospheric pressure plasma technology, with a focus on the use of corona treatment to improve adhesion on material surfaces.
PLASMA PROCESSES AND POLYMERS
(2022)
Article
Biochemistry & Molecular Biology
Sung Un Kang, Chul-Ho Kim, Sanghyun You, Da-Young Lee, Yu-Kwon Kim, Seung-Joo Kim, Chang-Koo Kim, Hee-Kyung Kim
Summary: The efficiency of plasma surface modifications depends on the operating conditions. This study investigated the effect of chamber pressure and plasma exposure time on the surface properties of 3Y-TZP with N-2/Ar gas. The atmospheric plasma treatments increased zirconia's electron donation (?(-)) capacity, while the vacuum plasma treatments decreased ?(-) parameter with increasing times.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Materials Science, Multidisciplinary
Kelsea K. Miller, I. Shancita, Sanjoy K. Bhattacharia, Michelle L. Pantoya
Summary: This study used atmospheric pressure plasmas to reduce the aluminum oxide shell, with argon plasma treatment resulting in surface hydration and helium plasma treatment showing no surface hydration. Both plasma-treated aluminum particles exhibited reduced oxidation barriers and increased reaction rate constants.
MATERIALS & DESIGN
(2021)
Article
Chemistry, Multidisciplinary
Artem Arkhangelskiy, Alberto Quaranta, Antonella Motta, Yuejiao Yang, Vamsi K. Yadavalli, Devid Maniglio
Summary: This paper presents a method for controlled plasma deposition of the versatile biomaterial chitosan on various substrates. Through optimization, the deposition of multiple layers of different biomaterials and patterned surfaces were achieved. The research is of great significance for surface treatment of biomedical devices and biological response.
ADVANCED MATERIALS INTERFACES
(2022)
Article
Polymer Science
Samira Elaissi, Norah A. M. Alsaif
Summary: A nonthermal atmospheric plasma reactor was used to sterilize polymer surfaces in a biological medium. The study analyzed the behavior of a dielectric barrier discharge (DBD) and its parameters, and found that increasing voltage or frequency increased ionization levels and sterilization efficiency. The study also identified the need for short gap width and oxygen admixture for effective bio-decontamination. These findings can benefit plasma-based pollutant degradation devices.
Article
Physics, Applied
Chaoxia Zhao, Xinxin Li, Dinesh K. K. Agrawal, Zhili Yan, Siyao Qi, Yao Liu, Tianbao Ma, Qian Chen, Yi Zhang, Ce Wang, Kama Huang
Summary: A microwave atmospheric pressure plasma jet (MW-APPJ) generator based on a substrate-integrated waveguide (SIW) resonator is proposed, which can achieve a thin, straight plasma needle with a length of 9 cm. It has a high microwave feeding efficiency of over 90% under a wide range of gas flow rates without the need for a microwave matching network. The plasma jet's morphology transitions from laminar to turbulent mode as the gas flow increases from 1 to 14 L/min. Additionally, the SIW-based plasma generator can effectively make the polyimide film super hydrophilic after a 5-min treatment.
PLASMA PROCESSES AND POLYMERS
(2023)
Article
Physics, Fluids & Plasmas
Penghao Zhang, Liang Yu, Dazhao He, Xinyu Tang, Shuo Chen, Shoulong Dong, Chenguo Yao
Summary: An all-organic modification coating was prepared on polystyrene (PS) using large-scale atmospheric-pressure plasma, which effectively mitigates surface charge accumulation and improves surface charge dissipation rate and conductivity. This coating has a smaller electron affinity potential compared with PS, resulting in accelerated surface charge decay. It also shows good reliability in repeated surface flashover tests. This facile and large-scale approach provides a new idea for surface charge regulation and the manufacture of advanced dielectric polymers.
PLASMA SCIENCE & TECHNOLOGY
(2023)
Article
Physics, Applied
Yukihiro Kusano, Alexander Bardenshtein, Per Morgen
PLASMA PROCESSES AND POLYMERS
(2018)
Article
Materials Science, Coatings & Films
Yukihiro Kusano, Bo Madsen, Linn Berglund, Yvonne Aitomaki, Kristiina Oksman
SURFACE ENGINEERING
(2018)
Article
Materials Science, Multidisciplinary
Lucie Chapelle, Allan Lyckegaard, Yukihiro Kusano, Carsten Gundlach, Mathilde Rosendahl Foldschack, Dorthe Lybye, Povl Brondsted
JOURNAL OF MATERIALS SCIENCE
(2018)
Article
Materials Science, Multidisciplinary
Yukihiro Kusano, Vladimir Fedorov, Malcolm McGugan, Tom L. Andersen, Nicolai Frost-Jensen Johansen
Article
Green & Sustainable Science & Technology
Anthony Fraisse, Jakob Ilsted Bech, Kaj Kvisgaard Borum, Vladimir Fedorov, Nicolai Frost-Jensen Johansen, Malcolm McGugan, Leon Mishnaevsky, Yukihiro Kusano
Article
Materials Science, Composites
H. N. Petersen, R. F. Minty, J. L. Thomason, L. Yang, Y. Kusano, P. Brondsted, K. Almdal
COMPOSITE INTERFACES
(2019)
Article
Materials Science, Paper & Wood
Yukihiro Kusano, Bo Madsen, Linn Berglund, Kristiina Oksman
Article
Engineering, Chemical
Daan J. Hottentot Cederlof, Yukihiro Kusano, Soren Faester
JOURNAL OF ADHESION
(2020)
Article
Chemistry, Applied
Jari Vartiainen, Klaus Rose, Yukihiro Kusano, Juha Mannila, Lisa Wikstrom
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH
(2020)
Article
Energy & Fuels
Leon Mishnaevsky, Soren Faester, Lars P. Mikkelsen, Yukihiro Kusano, Jakob Ilsted Bech
Article
Energy & Fuels
Soren Faester, Nicolai Frost-Jensen Johansen, Leon Mishnaevsky, Yukihiro Kusano, Jakob Ilsted Bech, Martin Bonde Madsen
Summary: X-ray tomography revealed air bubbles in the top coat of wind turbine blades, impacting the crack initialization and overall performance. Coating systems with fewer bubbles showed significant advantage in performance on the rain erosion tester.
Article
Engineering, Manufacturing
Cheng Fang, Yukihiro Kusano, Alexander Bardenshtein
Summary: The study successfully improved the wettability of PET films by using an air-to-air type atmospheric pressure DBD plasma in helium with ultrasonic irradiation, showing significant effects even at high treatment speeds. This research opens up new possibilities for high-speed plasma treatment of PET films by embedding pneumatic generators into existing commercial machines.
PACKAGING TECHNOLOGY AND SCIENCE
(2022)
Article
Engineering, Chemical
Reinosuke Kusano, Yukihiro Kusano
Summary: The surface tensions of solid materials have been studied and used for industrial or engineering applications for over 200 years. Owens and Wendt developed a model to calculate the surface tensions and tension components using measured contact angles. The existing statistical analysis is not suitable for practical use due to the preference for fewer test liquids and scattered measured data. This study proposes symmetric linear and circular expressions of the model to determine surface tension components of solids and liquids, respectively, allowing appropriate choices of test liquids or solids.
JOURNAL OF ADHESION
(2023)
Article
Engineering, Mechanical
Reinosuke Kusano, Gideon Boulton, Yukihiro Kusano
Summary: The static contact angle measurement was conducted with saltwater on unsaturated polyester plates and high-density polyethylene sheets. The results show that increasing salt concentration tends to increase contact angles on polyester, while polyethylene exhibits poor wetting of saltwater. The differences in wettability at different salt concentrations can be attributed to variations in the polar components of surface tension of the polymers.
INTERNATIONAL JOURNAL OF SURFACE SCIENCE AND ENGINEERING
(2021)
Proceedings Paper
Energy & Fuels
Cheng Fang, Daan Jonas Hottentot Cederlof, Alexander Bardenshtein, Yukihiro Kusanol
41ST RISO INTERNATIONAL SYMPOSIUM ON MATERIALS SCIENCE: MATERIALS AND DESIGN FOR NEXT GENERATION WIND TURBINE BLADES
(2020)
