Zobrazeno 1 - 10
of 138
pro vyhledávání: '"Yoshimitsu Okazaki"'
Autor:
Yoshimitsu Okazaki, Shin-ichi Katsuda
Publikováno v:
Materials, Vol 14, Iss 4, p 731 (2021)
We performed biological safety evaluation tests of three Ti–Zr alloys under accelerated extraction condition. We also conducted histopathological analysis of long-term implantation of pure V, Al, Ni, Zr, Nb, and Ta metals as well as Ni–Ti and hig
Externí odkaz:
https://doaj.org/article/ce76bba26de04b68976ef35bb8487b14
Autor:
Yoshimitsu Okazaki, Jun Mori
Publikováno v:
Materials, Vol 14, Iss 4, p 732 (2021)
We investigated the microstructures, tensile properties, fatigue strengths, and durability limits of hot-forged Ti-15Zr-4Nb (Ti-15-4) alloy artificial hip stems. These properties were compared with those of Ti-15Zr-4Nb-4Ta (Ti-15-4-4) and Ti-6Al-4V (
Externí odkaz:
https://doaj.org/article/cd2a01bbcd4049a4a24fd99b71f5294a
Publikováno v:
Materials, Vol 13, Iss 21, p 4836 (2020)
To evaluate mechanical performance properties of various types of cortical bone screw, cancellous bone screw, and locking bolt, we conducted torsional breaking and durability tests, screw driving torque tests into bone models, and screw pullout tests
Externí odkaz:
https://doaj.org/article/5232150d15f44a7a8409a0b24be3d3b3
Autor:
Yoshimitsu Okazaki, Akira Ishino
Publikováno v:
Materials, Vol 13, Iss 3, p 609 (2020)
To apply laser-sintered titanium (Ti) materials to dental prostheses with a three-dimensional structure such as partial dentures, we examined the microstructures and mechanical properties of commercially pure (CP) Ti grade (G) 2 annealed after laser
Externí odkaz:
https://doaj.org/article/ef3daca343bc4753bf3d637b4e0dec71
Autor:
Yoshimitsu Okazaki
Publikováno v:
Materials, Vol 12, Iss 21, p 3466 (2019)
The oxide film resistance (RP) and capacitance (CCPE) diagrams of implantable metals (commercially pure Ti, four types of Ti alloys, Co−28Cr−6Mo alloy, and stainless steel) were investigated by electrochemical impedance spectroscopy (EIS). The th
Externí odkaz:
https://doaj.org/article/9b0e65e2d2ad42fab5690028c5710493
Publikováno v:
Materials, Vol 12, Iss 3, p 436 (2019)
To develop orthopedic implants that are optimized for each patient’s needs or skeletal structure (custom-made implants), evaluations of the bending strength, bending stiffness, and durability of various types of conventional osteosynthesis devices
Externí odkaz:
https://doaj.org/article/107253602b254496a812e3c11b9bb3de
Autor:
Yoshimitsu Okazaki
Publikováno v:
Materials, Vol 5, Iss 12, Pp 2981-3005 (2012)
The fatigue strength, effects of a notch on the fatigue strength, and fatigue crack growth rate of Ti-15Zr-4Nb-4Ta alloy were compared with those of other implantable metals. Zr, Nb, and Ta are important alloying elements for Ti alloys for attaining
Externí odkaz:
https://doaj.org/article/b6f8502bc59e44e2b8c092310f117db0
Autor:
Yoshimitsu Okazaki
Publikováno v:
Materials, Vol 5, Iss 8, Pp 1439-1461 (2012)
Zr, Nb, and Ta as alloying elements for Ti alloys are important for attaining superior corrosion resistance and biocompatibility in the long term. However, note that the addition of excess Nb and Ta to Ti alloys leads to higher manufacturing cost. To
Externí odkaz:
https://doaj.org/article/7b3913d38ace471684fc9ef227965b94
Autor:
Yoshimitsu Okazaki, Hiroyuki Nagata
Publikováno v:
Science and Technology of Advanced Materials, Vol 13, Iss 6, p 064216 (2012)
Metal release from implantable metals and the properties of oxide films formed on alloy surfaces were analyzed, focusing on the highly biocompatible Ti–15Zr–4Nb–4Ta alloy. The thickness and electrical resistance (Rp) of the oxide film on such a
Externí odkaz:
https://doaj.org/article/b548d13579bf4378b3df8221da8fafe9
Autor:
Yoshimitsu Okazaki, Kiyoyuki Chinzei
Publikováno v:
High Entropy Materials-Microstructures and Properties
High Entropy Materials-Microstructures and Properties ISBN: 9781803561103
High Entropy Materials-Microstructures and Properties ISBN: 9781803561103
The material properties of metallic materials used for manufacturing of orthopedic implants are important for understanding the factors affecting the biological, biomechanical, and biochemical performances of orthopedic implants. This chapter will pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7bc92faac008f8c9e0fa2b636c43724f
https://mts.intechopen.com/articles/show/title/development-of-orthopedic-implants-with-highly-biocompatible-ti-alloys
https://mts.intechopen.com/articles/show/title/development-of-orthopedic-implants-with-highly-biocompatible-ti-alloys
