Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Takumi Ujiro"'
Autor:
Kaoru Sato, Takumi Ujiro, Shin Ishikawa, Etsuo Hamada, Yamada Katsumi, Kunio Fukuda, Tomohiro Ishii, Masayasu Nagoshi, Noriko Makiishi
Publikováno v:
Corrosion Science. 52:3851-3854
A cross-section of a native passive film on a commercial type 304 stainless steel was directly imaged and characterized using an aberration corrected STEM-EDS in combination with FIB sectioning. The technique demonstrated an enrichment of Cr in the l
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94fd945f1b66b190cc0be8e8691f7858
https://doi.org/10.1016/j.corsci.2010.08.025
https://doi.org/10.1016/j.corsci.2010.08.025
Autor:
Takumi Ujiro, Yoshimasa Funakawa
Publikováno v:
Tetsu-to-Hagane. 96:162-171
The relationship between ferrite grain diameter and upper yield strength was investigated for cold-rolled and annealed ultra low carbon steel sheets containing various chromium contents from 0 to 23%. The upper yield strengths were dropped with annea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc95017d02e3a483ba210f596c871a20
https://doi.org/10.2355/tetsutohagane.96.162
https://doi.org/10.2355/tetsutohagane.96.162
Autor:
Takumi Ujiro, Yoshimasa Funakawa
Publikováno v:
ISIJ International. 50:1488-1495
The influence of chromium on tensile properties of cold-rolled and annealed extra low carbon steel sheets was investigated. Tensile strength increased with an increase in chromium content whereas elongation decreased. Yield strength showed the minimu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5b48769bd1e57b8da6d2480329b5cef9
https://doi.org/10.2355/isijinternational.50.1488
https://doi.org/10.2355/isijinternational.50.1488
Publikováno v:
Materials Science Forum. :3435-3440
With prices for metal resources such as nickel and molybdenum soaring, there is a heightened sense of crisis concerning resource scarcity. While Type304, the most common stainless steel, offers excellent corrosion resistance, its price is affected si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::178c09329c104cefc0125617f21d072f
https://doi.org/10.4028/www.scientific.net/msf.638-642.3435
https://doi.org/10.4028/www.scientific.net/msf.638-642.3435
Autor:
Sung-Ho Tae, Takumi Ujiro
Publikováno v:
ISIJ International. 47:715-722
Nine types of reinforcing steels having different Cr contents were placed in mortar simulating environments involving chloride attack, carbonation, and combined deterioration and subjected to corrosion-accelerating test for fundamental research on th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b74548393fdfccbb70eca7d84022e7e7
https://doi.org/10.2355/isijinternational.47.715
https://doi.org/10.2355/isijinternational.47.715
Publikováno v:
ISIJ International. 47:146-150
With the aim of developing Cr-bearing rebars having required resistance to deteriorative environments prone to carbonation with or without chloride attack, ten types of steel bars having different Cr contents were embedded in concretes with chloride
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3c8ea168a87bd1c9c736ef7f8ea595b
https://doi.org/10.2355/isijinternational.47.146
https://doi.org/10.2355/isijinternational.47.146
Publikováno v:
ISIJ International. 47:875-882
Cracked concrete members reinforced with Cr-bearing rebars were assumed for the purpose of developing Cr-bearing rebars having the required corrosion resistance in macrocell corrosion environments induced by cracking in cover concrete. The service li
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b70e1d2ab5a555100a58592a9852398e
https://doi.org/10.2355/isijinternational.47.875
https://doi.org/10.2355/isijinternational.47.875
Publikováno v:
ISIJ International. 47:1315-1323
Reinforced concrete structures made using Cr-bearing rebars subject to microcell corrosion were assumed with the aim of developing Cr-bearing rebars having the required corrosion resistance in microcell corrosion environments. Their service lives wer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e1d91327260e15b9d263a539b6058ee0
https://doi.org/10.2355/isijinternational.47.1315
https://doi.org/10.2355/isijinternational.47.1315
Autor:
Sung-Ho Tae, Takumi Ujiro
Publikováno v:
ISIJ International. 47:1324-1328
As a fundamental study on the Cr-bearing rebar with the necessary corrosion resistance for use in steel reinforced concrete structures under corrosive environments This study was investigated to corrosion resistance of Cr-bearing rebars in simulated
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::40f7baefff72ac39a1519c988d79399f
https://doi.org/10.2355/isijinternational.47.1324
https://doi.org/10.2355/isijinternational.47.1324
Publikováno v:
ISIJ International. 46:1075-1080
As a fundamental study on the performance of Cr-bearing rebars in steel reinforced concrete structures exposed to corrosive environments, The test specimens were made by installing 8 types of rebars in concretes with a chloride ion content of 0.3, 0.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d4085e581ff232c194502a59bb15380e
https://doi.org/10.2355/isijinternational.46.1075
https://doi.org/10.2355/isijinternational.46.1075