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Development of Highly Machinable Ti Alloy with Exceptional Tensile Properties by Er Alloying Element Addition
Er 합금 원소 첨가를 통한 인장 물성과 절삭성이 우수한 Ti 합금 개발

Yi Seul Choi, Jeong Mok Oh, Chan Hee Park, Wook Jin Lee, Yong ho Park, Jong Woo Won
최이슬, 오정목, 박찬희, 이욱진, 박용호, 원종우

Korean J. Met. Mater. 2024;62(3):171-179. Published online 2024 Mar 5
DOI: https://doi.org/10.3365/KJMM.2024.62.3.171

Abstract
This study demonstrates that the addition of the rare earth element Erbium (Er) significantly enhances the machinability and tensile properties of titanium (Ti). Pure Ti alloys and Er-added Ti alloys with 0.5-1.1 wt.% Er content were prepared, and their microstructure, machinability, and tensile properties were compared. Two different types of..... More

Effect of Ni, C and Ti Addition on Shape Recovery Behavior and the Mechanical Properties of Fe-17Mn-5Si-5Cr Shape Memory Alloys
Fe-17Mn-5Si-5Cr 형상기억합금의 형상복원거동 및 기계적 특성에 미치는 Ni, Ti 및 C의 영향

Dohyoung Kim, Yonghwan Kim, Jeong-Jung Oak, Junghoon Lee, Chan Hee Park, Wookjin Lee, Yongho Park
김도형, 김용환, 옥정중, 이정훈, 박찬희, 이욱진, 박용호

Korean J. Met. Mater. 2020;58(10):660-671. Published online 2020 Oct 5
DOI: https://doi.org/10.3365/KJMM.2020.58.10.660

Abstract
Fe-Mn-Si based shape memory alloy is a new functional material that can be used to apply prestress to civil and structural components such as concrete structures. In this study, the effects of alloying elements Ni, C and Ti on the mechanical and shape memory properties of the alloy were investigated..... More

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