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Significant reduction in thermal expansion of a low-carbon steel sheet by depositing a Fe–Ni alloy thin film

Published online by Cambridge University Press:  31 January 2011

Sang Sub Kim  and
Yong Bum Park
Sang Sub Kim
Affiliation:
Department of Materials Science and Metallurgical Engineering, Research and Development Center for Automobile's Parts and Materials, Sunchon National University, Sunchon 540-742, Korea
Yong Bum Park
Affiliation:
Department of Materials Science and Metallurgical Engineering, Research and Development Center for Automobile's Parts and Materials, Sunchon National University, Sunchon 540-742, Korea
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Extract

A 3-μm-thick Fe–Ni alloy thin film was deposited on a 0.2-mm-thick low-carbon steel substrate by radio-frequency magnetron sputtering, and the properties of the film were investigated. The film exhibits a columnar growth structure and a fiber texture with the relationship of (110)film//(111)substrate. A thermal cycle test showed good adhesion between the film and the substrate. Most importantly, the Fe–Ni alloy deposition results in a significant reduction in thermal expansion of the whole specimen. These results suggest that a properly deposited Fe–Ni alloy film could be applied to a low-carbon steel sheet to significantly reduce its thermal expansion. Such reduced thermal expansion would enhance the image resolution of a shadow mask made of a low-carbon steel sheet.

Type
Articles
Information
Journal of Materials Research , Volume 15 , Issue 1 , January 2000 , pp. 14 - 16
Copyright
Copyright © Materials Research Society 2000

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References

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