Transition of creep mechanism by solute hydrogen in Zircaloy-4

The effect of solute hydrogen up to 200ppm on the creep mechanism of Zircaloy-4 was discussed to ascertain the safety of nuclear power plants. Creep tests performed at 673K and revealed that the addition of solute hydrogen decreased the creep rate in intermediate stress regions. According to the fol...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2017-01, Vol.684, p.191-195
Hauptverfasser:	Matsunaga, Tetsuya, Hongo, Hiromichi, Tabuchi, Masaaki, Satoh, Yuhki, Abe, Hiroaki
Format:	Artikel
Sprache:	eng
Schlagworte:	Creep Creep rate Creep tests Cross slip Dislocation network Dislocations Electric power plants Electron microscopy Hydrogen Hydrogen storage Nuclear electric power generation Nuclear engineering Nuclear power plants Nuclear safety Solute hydrogen Straight dislocation Transmission electron microscopy Zircaloy-4 Zircaloys (trademark) Zirconium alloys
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