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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학위논문
- 저자정보
- 지도교수
- 이종수
- 발행연도
- 2014
- 저작권
- 포항공과대학교 논문은 저작권에 의해 보호받습니다.
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이 논문의 연구 히스토리 (2)
2021
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- 연관 학술논문 또는 학술발표를 통해 보다 발전된 연구결과를 확인하실 수 있습니다.
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초록· 키워드
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The present dissertation aims at applying the multi-pass caliber-rolling process to near-β type Ti-13Nb-13Zr to enhance biomechanical properties for hard tissue replacement. First, the mechanism and influence of phase transformation during the caliber-rolling were revealed. The influence of rate of cooling followed by the caliber-rolling process upon tensile improvements was investigated. In addition, the mechanisms under the martensitic transformation under the caliber-rolled Ti-13Nb-13Zr were discussed in terms of alloying diffusion. Second, the metallurgical phenomena which occurred during the caliber-rolling process were elucidated in light of the strain accumulation, microstructural evolution, dislocation dynamics, and strain-hardening behavior. Numerical simulation, experimental analysis, and constitutive dislocation model were utilized extensively. Finally, the combination of multi-pass caliber-rolling process, graphene-oxide coating, and drug-delivery system was evaluated as the novel method to fabricate ultrafine-grained bulk rod that could be applicable in the biomedical industry. The alloy manufactured by this process exhibited the enhanced mechanical properties, cell proliferation, and differentiation.
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