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To evaluate the hydrogen embrittlement susceptibility of PC wires by clarifying the dominant factors of the FIP test, this paper investigates the relationship between the absorbed hydrogen concentration and the fracture time in the FIP test. It was found that there is critical diffusible hydrogen concentration below which wires do not fracture, and the fracture time is influenced by the solution temperature and Rsol, the solution volume per unit surface area of a specimen.
To evaluate the hydrogen embrittlement susceptibility of PC wires by clarifying the dominant factors of the FIP test, this paper investigates the relationship between the absorbed hydrogen concentration and the fracture time in the FIP test. It was found that there is critical diffusible hydrogen concentration below which wires do not fracture, and the fracture time is influenced by the solution temperature and Rsol, the solution volume per unit surface area of a specimen.
| Author(s) | Shingo Yamasaki, Seiki Nishida, Daisuke Hirakami, and Toshimi Tarui, Nippon Steel Corp., Japan |
|---|---|
| Publication/Event/Pages | Paper presented at WAI's 78th Annual Convention (Wire Expo) in Pittsburgh, June, 2008. Published in WJI, May 2009, pp. 58-62. |
| Year | 2008 |
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