Search Results - "Sasaki, Shinya"

Effects of the addition of silicon to 7075 aluminum alloy on microstructure, mechanical properties, and selective laser melting processability by Otani, Yuki, Sasaki, Shinya

“…Aluminum alloys that can be processed using the selective laser melting (SLM) technique have been restricted to cast alloys based on the Al–Si binary system…”
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Advances in Tribology Driven by Surface Science by Sasaki, Shinya

“…Tribology is an interdisciplinary field related to the science and technology of friction, wear, and lubrication, and is expected to contribute to the…”
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Effects of Defects and Inclusions on the Fatigue Properties of Inconel 718 Fabricated by Laser Powder Bed Fusion Followed by HIP by Ogawahara, Manatsu, Sasaki, Shinya

“…Fatigue properties of parts fabricated by laser powder bed fusion, a kind of additive manufacturing, are inferior to those of conventional materials. Defects…”
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Generation mechanism of friction anisotropy by surface texturing under boundary lubrication by Ito, Shota, Takahashi, Kenta, Sasaki, Shinya

“…Continuously variable transmission (CVT) is commonly used in automobile to reduce fuel consumption and emission. Apart from wider gear ratio, reduction of…”
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High Friction Mechanism of ZDDP Tribofilm Based on in situ AFM Observation of Nano-Friction and Adhesion Properties by Sato, Kaisei, Watanabe, Seiya, Sasaki, Shinya

“…Zinc dialkyl dithiophosphate (ZDDP) is a typical anti-wear additive that forms tribofilm on sliding surfaces and prevents adhesion wear but increases the…”
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Angiographic Dissection Patterns and Patency Outcomes After Balloon Angioplasty for Superficial Femoral Artery Disease by Fujihara, Masahiko, Takahara, Mitsuyoshi, Sasaki, Shinya, Nanto, Kiyonori, Utsunomiya, Makoto, Iida, Osamu, Yokoi, Yoshiaki

“…Purpose: To investigate the angiographic dissection patterns after balloon angioplasty for superficial femoral artery (SFA) lesions, the clinical outcome…”
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Processes of molecular adsorption and ordering enhanced by mechanical stimuli under high contact pressure by Watanabe, Seiya, Tadokoro, Chiharu, Miyake, Koji, Sasaki, Shinya, Nakano, Ken

“…Adsorbed molecular films, referred to as boundary films in tribology, are widely used in various industrial products as a keyway for surface functionalisation,…”
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Environmentally friendly tribology (Eco-tribology) by Sasaki, Shinya

“…The Earth is facing many serious environmental problems. The global warming problem has reached a point at which action cannot be delayed. It is necessary not…”
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Frequency-Modulation Atomic Force Microscopic Observation for Ultralow Frictional Solid–Liquid Interface of Diamond-Like Carbon in an Environmentally Friendly Oil by Okubo, Hikaru, Sasaki, Shinya

“…The structure of the low friction solid–liquid interface of the diamond-like carbons (DLCs) in fatty acid was investigated by controlled frequency-modulation…”
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Microstructure and Mechanical Properties of A7075 Alloy with Additional Si Objects Fabricated by Selective Laser Melting by Otani, Yuki, Kusaki, Yuji, Itagaki, Kazuyuki, Sasaki, Shinya

“…Recently, the realization of the combination of selective laser melting (SLM) and high-strength aluminum alloys (Al alloys) has been discussed in mainly the…”
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Effects of ultrasonic nanocrystalline surface modification (UNSM) technique on the tribological behavior of sintered Cu-based alloy by Amanov, Auezhan, Pyun, Young-Sik, Sasaki, Shinya

“…This paper presents the effects of ultrasonic nanocrystalline surface modification (UNSM) technique on the tribological behavior of sintered Cu-based alloy…”
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Improvement in the tribological characteristics of Si-DLC coating by laser surface texturing under oil-lubricated point contacts at various temperatures by Amanov, Auezhan, Watabe, Tsukasa, Tsuboi, Ryo, Sasaki, Shinya

“…This paper presents and discusses the tribological characteristics of the untextured and textured silicon diamond-like carbon (Si-DLC) coatings in the…”
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Analysis of the Interfacial Molecular Behavior of a Lubrication Film of n‑Dodecane Containing Stearic Acid under Lubricating Conditions by Sum Frequency Generation Spectroscopy by Watanabe, Seiya, Nakano, Miki, Miyake, Koji, Sasaki, Shinya

“…The molecular behavior of n-dodecane with added stearic acid at a friction interface was studied using sum frequency generation (SFG) spectroscopy and a…”
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Operando tribo-Raman spectroscopic observation for wear processes of superlow frictional concentrated polymer brushes at frictional interface by Okubo, Hikaru, Kagiwata, Daiki, Sasaki, Shinya, Tsujii, Yoshinobu, Nakano, Ken

“…Concentrated polymer brushes (CPBs) synthesized by advanced surface-initiated controlled radical polymerization have received increasing attention in the…”
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Effect of surface texturing on the durability of concentrated polymer brushes by Watanabe, Seiya, Kodama, Eri, Sakakibara, Keita, Sasaki, Shinya, Tsujii, Yoshinobu

“…Concentrated Polymer Brushes (CPBs) have great potential to improve tribological properties under severe sliding conditions, even at the macroscopic scale, and…”
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The influence of bulges produced by laser surface texturing on the sliding friction and wear behavior by Amanov, Auezhan, Tsuboi, Ryo, Oe, Hironobu, Sasaki, Shinya

“…In this study, the influence of bulges around the dimples rim on the sliding friction and wear behavior was investigated. The objective of this study is to…”
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In Situ Raman Observations of the Formation of MoDTC-Derived Tribofilms at Steel/Steel Contact Under Boundary Lubrication by Okubo, Hikaru, Yonehara, Misa, Sasaki, Shinya

“…In this study, the time-dependent formation process of molybdenum dithiocarbamate (MoDTC)-derived tribofilms at steel/steel contact under boundary lubrication…”
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Outgassing performance of an ionic liquid-based magnetic fluid by Okabe, Takao, Kondo, Yukishige, Yoshimoto, Shigeka, Sasaki, Shinya

“…In this study, an ionic liquid (IL)-based magnetic fluid (MF) (IMF; IL-based MF) and dispersant was synthesized to create MF seals for rotational mechanisms in…”
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Exploiting the Synergy between Concentrated Polymer Brushes and Laser Surface Texturing to Achieve Durable Superlubricity by Vlădescu, Sorin-Cristian, Tadokoro, Chiharu, Miyazaki, Mayu, Reddyhoff, Tom, Nagamine, Takuo, Nakano, Ken, Sasaki, Shinya, Tsujii, Yoshinobu

“…Friction continues to account for the bulk of energy losses in mechanical systems, with an estimated 23% of the world’s total energy consumption used to…”
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Tribological properties of a tetrahedral amorphous carbon (ta-C) film under boundary lubrication in the presence of organic friction modifiers and zinc dialkyldithiophosphate (ZDDP) by Okubo, Hikaru, Tadokoro, Chiharu, Sasaki, Shinya

“…Diamond-like carbon (DLC) films provide low friction and high wear resistance under lubricated conditions. In particular, tetrahedral amorphous carbon (ta-C)…”
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