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Effect of Rolling Technology on Texture Orientation and Corrosion Performance
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    Abstract:

    Zr-4 alloy was hot rolled to 2.2 mm thickness at 800 and 960 °C respectively, then cold rolled to 1.2 mm by a strip roller after interannealing, and finally cold rolled to 0.6 mm strips by the strip roller again after interannealing. The effect of rolling technology on the texture orientation factor of Zr-4 alloy strips was discussed, and the corrosion performance was tested in super-heated steam at 400 °C, 10.3 MPa for 72 h for the same-thickness rolled strips prepared at different cogging temperatures. Results show that in the same cold rolling deformation, transverse texture of the strip hot rolled at 960 °C is always more than that of the strip hot rolled at 800 °C, while the normal texture of the strip rolled at 960 °C is always less than that of the strip hot rolled at 800 °C. After hot rolling, the more cold rolling deformation causes less transverse texture but more normal texture. Corrosion performance in stream of 0.6 mm Zr-4 alloy strip rolled at 800 °C is better than that of the strip rolled at 960 °C. Therefore, it is possible to control and calculate the texture orientation factor of the Zr-4 alloy strips while attention should be paid to the effect of rolling technology on corrosion performance

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[Wu Yu, Yao Xiunan, Tian Feng, Li Hongyu, Guo Haisheng, Tang Jin, Zhao Honglei. Effect of Rolling Technology on Texture Orientation and Corrosion Performance[J]. Rare Metal Materials and Engineering,2012,41(12):2238~2241.]
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  • Received:April 18,2012
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