Masanori Hiratsuka
Tokyo University of Science
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Publication
Featured researches published by Masanori Hiratsuka.
Dental Materials Journal | 2015
Shun Akaike; Tohru Hayakawa; Daishiro Kobayashi; Yuko Aono; Atsushi Hirata; Masanori Hiratsuka; Yoshiki Nakamura
In orthodontics, a reduction in static friction between the brackets and wire is important to enable easy tooth movement. The aim of this study was to examine the effects of a homogeneous diamond-like carbon (DLC) coating on the whole surfaces of slots in stainless steel orthodontic brackets on reducing the static friction between the brackets and the wire. The DLC coating was characterized using Raman spectroscopy, surface roughness and contact angle measurements, and SEM observations. Rectangular stainless steel and titanium-molybdenum alloy wires with two different sizes were employed, and the static friction between the brackets and wire was measured under dry and wet conditions. The DLC coating had a thickness of approximately 1.0 μm and an amorphous structure was identified. The results indicated that the DLC coating always led to a reduction in static friction.
Surface & Coatings Technology | 2013
Masanori Hiratsuka; Akiyoshi Azuma; Hideki Nakamori; Yasuo Kogo; Ken Yukimura
Surface & Coatings Technology | 2012
Yasuharu Ohgoe; Kenji Hirakuri; Hidetoshi Saitoh; Takahiro Nakahigashi; Naoto Ohtake; Atsushi Hirata; Kazuhiro Kanda; Masanori Hiratsuka; Yasuhiro Fukui
Diamond and Related Materials | 2016
Shun Akaike; Daishiro Kobayashi; Yuko Aono; Masanori Hiratsuka; Atsushi Hirata; Tohru Hayakawa; Yoshiki Nakamura
Journal of Solid Mechanics and Materials Engineering | 2013
Masanori Hiratsuka; Hideki Nakamori; Yasuo Kogo; Masayuki Sakurai; Naoto Ohtake; Hidetoshi Saitoh
Journal of Japan Institute of Light Metals | 2006
Hideki Nakamori; Hiroshi Tokisue; Kenta Kaga; Masanori Hiratsuka
Advances in Chemical Engineering and Science | 2013
Yasuharu Ohgoe; Masanori Hiratsuka; Hirohito Sumikura; Kazuyoshi Fukunaga; Akihiko Homma; Kenji Hirakuri; Akio Funakubo; Yasuhiro Fukui
Archive | 2012
Hideki Nakamori; Masanori Hiratsuka; Ken Yukimura
Diamond and Related Materials | 2017
Junichi Katouno; Kouki Fujioka; Shunta Kidera; Yasufumi Mabuchi; Keisuke Sato; Yasuharu Ohgoe; Yoshinobu Manome; Masanori Hiratsuka; Hideki Nakamori; Hideki Masuda; Hiroshi Honda; Kenji Hirakuri
Transactions-Materials Research Society of Japan | 2018
Tatsuya Mayama; Masanori Hiratsuka; Hideki Nakamori; Akihiko Homma; Kenji Hirakuri; Yasuharu Ohgoe
