Zobrazeno 1 - 10
of 67
pro vyhledávání: '"Toshimitsu Tetsui"'
Autor:
Toshimitsu Tetsui, Kazuhiro Mizuta
Publikováno v:
Metals, Vol 14, Iss 8, p 908 (2024)
The TNM alloy, a βo-phase-containing TiAl alloy, has been withdrawn from use as a last-stage turbine blade in commercial jet engines as it suffered frequent impact fractures in service, raising doubts regarding the necessity of the βo-phase in prac
Externí odkaz:
https://doaj.org/article/ee335234d0d64a06aa80e06c19a8c4ff
Autor:
Toshimitsu Tetsui
Publikováno v:
Metals, Vol 13, Iss 12, p 1991 (2023)
The purpose of this study is to determine if forged TiAl alloys are worth using for small parts such as jet engine turbine blades. As part of this goal, this study investigated ways to improve the impact resistance of forged TiAl alloys and compared
Externí odkaz:
https://doaj.org/article/d662e4b035534255b4734671604b7408
Autor:
Toshimitsu Tetsui
Publikováno v:
Metals, Vol 13, Iss 7, p 1235 (2023)
The impact resistance and machinability of TiAl alloys, which are used for jet engine turbine blades, are critical for ensuring reliability and reducing manufacturing costs. This study investigated the effects of the microstructure on these propertie
Externí odkaz:
https://doaj.org/article/af8dd285e7504f949f4e1db6ea4c8dd3
Autor:
Toshimitsu Tetsui
Publikováno v:
Metals, Vol 12, Iss 12, p 2003 (2022)
For currently used TiAl alloys, the impact resistance is a critically important property that determines their suitability for use, especially in settings when continuous use under harsh conditions is necessary. However, there are almost no examples
Externí odkaz:
https://doaj.org/article/fc47e94b4ffe4def836712e31543413c
Autor:
Toshimitsu Tetsui
Publikováno v:
Metals, Vol 12, Iss 4, p 544 (2022)
Despite the widespread use of TiAl alloys in many fields, their poor impact resistance has recently emerged again as a major issue. Therefore, in this study, the practical effects of additive elements were examined by considering impact resistance as
Externí odkaz:
https://doaj.org/article/51b2c78c1798482484889473414ed17b
Autor:
Toshimitsu Tetsui
Publikováno v:
Metals, Vol 11, Iss 9, p 1361 (2021)
The use of a hot-forged TiAl alloy enables the fabrication of large parts that are difficult to manufacture by casting or isothermal forging. Ti-42Al-5Mn (at%) is the world’s first TiAl alloy in this category and has been used to manufacture practi
Externí odkaz:
https://doaj.org/article/9ec3d30efb224f2ba161a0a0071b9fbf
Publikováno v:
Journal of the Ceramic Society of Japan. 130:487-492
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5182b40a3677caac6db609287a4c8a47
https://doi.org/10.2109/jcersj2.22013
https://doi.org/10.2109/jcersj2.22013
Autor:
Hiroshi Harada, Toshimitsu Tetsui
Publikováno v:
Journal of Materials Processing Technology. 213:752-758
The influence of oxygen concentration and the phase composition on various properties of Ti–42Al–5Mn (at%) forged alloy was evaluated, with the objective of expanding the utilization of this material. As a result, it was established that reduced
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::313f0fba9af303bb45da426750d07ac2
https://doi.org/10.1016/j.jmatprotec.2012.12.003
https://doi.org/10.1016/j.jmatprotec.2012.12.003
Publikováno v:
Intermetallics. 31:274-281
In order to promote the development of low-cost TiAl precision cast turbine wheels, consideration was given to the influence of reduced purity. In the research reported here, the contamination behavior of Ti–46 at%Al cast material from various oxid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3672511a28567e033bd8cc178af5074e
https://doi.org/10.1016/j.intermet.2012.07.019
https://doi.org/10.1016/j.intermet.2012.07.019
Publikováno v:
Materials Science and Engineering: A. 552:345-352
With the objective of achieving high strength and low cost for hot-forged TiAl based alloy containing β phase, the applicability of oxide-crucible-melted ingot was considered for compositions centered on Ti–28.7Al–7.0Mn (wt%). First, as a result
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9bcb2229b0aeb7a407f4b15163b6ff8
https://doi.org/10.1016/j.msea.2012.05.050
https://doi.org/10.1016/j.msea.2012.05.050