論文発表
Song, X., Xu, C., Guo, Z., Zeng, K., Song, Y., Lu, H., ... & Li, J. (2025). Regulatory mechanism of molecular topology on interfacial adsorption and lubrication performance. Tribology International, 111258.[link]
Song, X., Guo, Z., Song, Y., Zhang, J., Gu, H., Yamashita, N., ... & Li, J. (2025). Terminal Group Engineering of Polyether Amines: Overcoming Steric Hindrance for Enhanced Adsorption and Lubrication Performance on Iron Surfaces. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 138099. [link]
Song, Y.*, Fukuzawa, K., Itoh, S., Zhang, H., & Azuma, N. (2025). Emergent Tribological Behavior from Concentration-Driven Conformational Transitions in Adsorbed Polymer Films . Nano Letters. [link]
Shekhar, H., Uchiyama, S., Song, Y., Zhang, H., Fukuzawa, K., Itoh, S., & Azuma, N. (2025). ReaxFF molecular dynamics study of mechanochemical degradation of PFPE lubricants on DLC in Heat-Assisted Magnetic Recording. RSC Mechanochemistry. [link]
Ozeki, H., Azuma, N., Fukuzawa, K., Itoh, S., Zhang, H., & Song, Y. (2025). Interfacial slip quantification in nanogaps using squeeze flow velocimetry. Physics of Fluids, 37 (5). [link]
Shekhar, H., Chikazawa, Y., Song, Y., & Zhang, H. (2024). Bulk Conformation and Shear-Induced Transitions in Bottlebrush Poly (alkyl methacrylate): The Role of Side Chain Length and Polymer Flexibility. Tribology International, 110476. [link]
Lin, F., Itoh, S.*, Hirayama, T., Hirooka, C., Song, Y., Fukuzawa, K., Zhang, H., & Azuma, N. (2024). Hydration–lubrication performance improvement via synergistic effects of free polymers and polymer brushes. Tribology International, 191, 109189. [link]
Song, Y.*, Fukuzawa, K.*, Hirayama, T., Yamashita, N., Yamada, N. L., Itoh, S., Azuma, N., & Zhang, H. (2023). Effects of polarity of polymers on conformation and lubricating film formation of adsorbed films. Macromolecules, 56(5), 1954-1964. [link]
Song, Y.*, Fukuzawa, K., Itoh, S., Zhang, H., & Azuma, N. (2022). In-situ measurement of temporal changes in thickness of polymer adsorbed films from lubricant oil by vertical-objective-based ellipsometric microscopy. Tribology International, 165, 107341. [link]
競争的資金等
学会発表
Kenji Fukuzawa, Yuxi Song “Measurement of Adsorption and Friction Properties of Additive Molecules by Vertical-objective-type Ellipsometric Microscopy” 9th International Tribology Conference, Fukuoka (Japan), (September 2023) (Invited)
Song, Y., Fukuzawa, K., Hirayama, T., Yamashita, N., Itoh, S., Azuma, N., & Zhang, H. “Prediction of adsorption film thickness of polymer additives in lubricant oil with Hansen Solubility Parameters”, 9th International Tribology Conference, Fukuoka (Japan), (September 2023)
Song, Y., Fukuzawa, K., Hirayama, T., Yamashita, N., Yamada, N. L., Itoh, S., Azuma, N., & Zhang, H. “Effect of polarity of polymer additives on their adsorption and boundary film formation”, 77th STLE Annual Meeting & Exhibition, Long beach (America), (May 2023)
Song, Y., Fukuzawa, K., Itoh, S., Zhang, H., & Azuma, N. “Effects of polarity of polyalkylmethacrylate (PAMA) polymer additives on film formation ability during sliding”, 2022 JSME-IIP/ASME-ISPS Joint Conference on Micromechatronics for Information and Precision Equipment, Nagoya (Japan), (August 2022)
Song, Y., Fukuzawa, K., Itoh, S., Zhang, H., & Azuma, N. “Evaluation of adsorbed film formation of additives in lubricant oil with vertical objective type ellipsometric microscope”, 7th World Tribology Congress, Lyon (France), (July 2022)
ソン ユシ，難波克也，福澤健二，伊藤伸太郎，張賀東，“Evaluation of adsorbed film formation of additives in lubricant oil with vertical-type-objective ellipsometric microscope”，トライボロジー会議2020 秋 別府G34 (2020年11月)
ソン ユシ，福澤健二，伊藤伸太朗，張賀東，東直輝，“潤滑油からのポリアルキルメタクリレート (PAMA)ポリマー吸着膜の形成メカニズムと構造”，トライボロジー会議2021春 東京 E19（2021年5月）
ソン ユシ，葛冬萌，福澤健二，伊藤伸太郎，張賀東，東直輝，“ポリアルキルメタクリレート（PAMA）ポリマー添加剤の極性が吸着・摩擦特性に及ぼす影響”，トライボロジー会議2021秋 松江 E22（2021年10月）
ソン ユシ，福澤健二，平山朋子，伊藤伸太郎，東直輝，張賀東， “ポリアルキルメタクリレート（PAMA）系高分子添加剤の極性が吸着膜の厚さと耐久性に及ぼす影響”，トライボロジー会議 2022春 東京 C14（2022年5月）
ソン ユシ，福澤健二，平山朋子，山下直輝，伊藤伸太郎，東直輝，張賀東， “ポリアルキルメタクリレート（PAMA）系高分子添加剤の極性が摺動時の油膜形成能力に及ぼす影響”，トライボロジー会議 2022秋 福井 D35（2022年11月）
ソン ユシ，張俊彦，福澤健二，伊藤伸太郎，東直輝，張賀東，“ポリアルキルメタクリレート（PAMA）系高分子添加剤の分子量および極性が境界潤滑性能に及ぼす影響”, トライボロジー会議 2023春 東京 C25（2023年5月）