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논문 기본 정보

자료유형
학술저널
저자정보
Minsu Lee (Korea Institute of Industrial Technology (KITECH)) Yunho Han (Korea Institute of Industrial Technology (KITECH)) Tai Hong Yim (Korea Institute of Industrial Technology (KITECH))
저널정보
한국표면공학회 한국표면공학회지 한국표면공학회지 제47권 제6호
발행연도
2014.12
수록면
293 - 296 (4page)

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초록· 키워드

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Fe-Ni has been of great interest because it is known as one of low thermal expansion alloys as various application areas. This alloy was fabricated by electroforming process, and effect of heat treatment on thermal expansion and hardness was investigated. Nano-crystalline structure of 13.3 - 63.5 nm in size was observed in the as-deposited alloy. To investigate the effect of heat treatment on grain growth and mechanical/thermal properties, we conducted hardness and coefficient of thermal expansion (CTE). From this, we confirmed these properties were varied by heat treatment. In this nano-crystalline alloy, we could observe abnormal behavior in thermal expansion between 350 - 400oC. Additionally, an abrupt change in hardness has also been observed. However, once the grains grow up to micro-sized the mechanical and thermal properties mentioned above were stabilized similar to those of bulk alloys due to heat treatment.

목차

Abstract
1. Introduction
2. Experimental
3. Results and Discussion
4. Summary
References

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UCI(KEPA) : I410-ECN-0101-2016-581-001003777