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Sakamoto, Fuminori; Suzuki, Eiji*; Fujii, Yuki*
Recent Research Developments in Nucleosides and Nucleotides, 2, p.1 - 27, 2004/04
no abstracts in English
Motooka, Takafumi; Kiuchi, Kiyoshi
Corrosion, 58(6), p.535 - 540, 2002/06
Times Cited Count：5 Percentile：38.69(Materials Science, Multidisciplinary)The fatigue crack growth of a commercial grade zirconium has been studied in boiling nitric acid and in air at room temperature under tensile load control. The fatigue crack growth rate in air is strongly dependent on the crystallographic texture. It is interpreted based on the crystal anisotropy on mechanical strength in the hexagonal closed pack structure of zirconium. The fatigue crack growth rate in nitric acid is about four times higher than that in air. Texture is found to have an effect on the fracture path in nitric acid. Microfractography of the fracture surfaces shows that the corrosion fatigue growth has a characteristic mechanism. The fracture surface consists of a mixture of grains: some broken by pseudo-cleavage as seen in stress corrosion cracking, and the others broken by fatigue with striation as seen in air. In the low crack growth rate regime pseudo-cleavage is dominant, whereas in the high crack growth rate regime the main fracture mode is ductile fracture.
Ioka, Ikuo; ; Konishi, Takashi*
Carbon, 28(6), p.879 - 885, 1990/00
Times Cited Count：10 Percentile：52.13(Chemistry, Physical)no abstracts in English
Br activated by the (n,
) process with some gaseous cyclanes (C
-C
)Saeki, Masakatsu; Tachikawa, Enzo
Bulletin of the Chemical Society of Japan, 49(8), p.2214 - 2219, 1976/08
Times Cited Count：1no abstracts in English
Journal of the Physical Society of Japan, 31(5), p.1513 - 1520, 1971/11
Times Cited Count：2no abstracts in English
