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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2017.4
- 수록면
- 6 - 12 (7page)
이용수
초록· 키워드
오류제보하기
Ti-alloys have high specific strength and are widely used for the filed of space aeronautics plant. However, it is difficult to process Ti-Alloys due to its high yield strength and it cannot raise the machining speed because it has a possibility of catching fire while processing. In order to reduce the number of processes for the Ti-alloys, the researches related to Additive Manufacturing(AM) have been actively carried out at the moment. As for the initial stage of AM market related to Ti-alloys, it started to use the raw material of powder metal, and it is currently being developed based on welding.
In this study, Interpass peening reduced the size of the primary β grain in the z-axis direction, increased the nucleation site of α-colony, and decreased the length and width of α laths as though interpass rolling. Interpass peening leads to an increase in yield/ultimate tensile strength without decrease elongation, resulting decrease in anisotropy of the material.
In this study, Interpass peening reduced the size of the primary β grain in the z-axis direction, increased the nucleation site of α-colony, and decreased the length and width of α laths as though interpass rolling. Interpass peening leads to an increase in yield/ultimate tensile strength without decrease elongation, resulting decrease in anisotropy of the material.
목차
Abstract
1. 서론
2. 실험 방법
3. 결과 및 고찰
4. 결론
References
참고문헌 (12)
참고문헌 신청
ASTM, F2792-12a, Standard Terminology for Additive Manufacturing Technologies
Jae-Gyu Byun, Sang-Myung Cho, Trend of Metal 3D Printing by Welding, J. of Welding and Joining, 34(4) (2016), 1-8 (in Korean)
Kang, Min-Cheol, Dea-Hee Ye, and Geun-Ho Go, International Development Trend and Technical Issues of Metal Additive Manufacturing, J. of Welding and Joining, 34(4) (2016), 9-16 (in Korean)
Horii, Toshihide, Soshu Kirihara, and Yoshinari Miyamoto, Freeform fabrication of Ti-Al alloys by 3D microwelding, Intermetallics, 16(11) (2008), 1245-1249
Ma, Yan, et al., The effect of location on the microstructure and mechanical properties of titanium aluminides produced by additive layer manufacturing using in-situ alloying and gas tungsten arc welding, Materials Science and Engineering, A 631 (2015), 230-240
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