Grain morphology, phase stability and mechanical properties in binary Ti-Al alloys containing 43-52 ... stress at high temperature and the room temperature ductility should be achieved to obtain slightly Ti-rich
There are a range of TItime that frequently chosen in TI scout. ... TI scout에서 가장 적절한 TItime을 채택하기 위한 방법으로 관능적인 평가방법과 함께 회백질 몇 군데에서 ROI를 측정하여 활용하였다. ... TI scout scan에서 획득한 영상 중에서 가장 적절한 ASL TI(inversion time)을 찾고 이것을 ASL 본(本)검사에 적용하였다.
TI 선정 이유 서론 용체화 열처리 , 열처리에 따른 전기화학적 부식거동 연구 1066°C 966°C Ti ( 티타늄 ) : 내화 확성이 매우 강한 금속 , 내식성 우수 550°C ... Ti 합금의 용체화열처리와 시효열처리에 따른 부식거동 Contents 서론 열처리 및 시험방법 실험 결과 및 고찰 서론 서론 저희 조는 바닷물에 장시간 노출되어 부식되거나 변질되지 ... 600°C 650°C 1 시간 4 시간 8 시간 16 시간 열처리 및 시험방법 Ti 합금의 성분 및 경도 열처리 온도 및 시간 전기화학적 분극곡선 실험 경도시험 열처리 및 시험방법
본 연구에서는 Ti에 Al 및 V등을 첨가한 α+β계에 대하여 1066℃와 966℃에서 5시간 용체화 열처리를 실시하고, 이 시편을 550℃, 600℃, 및 650℃에서 각각 1시간 ... In this study, the Ti alloys were solution heat treatment 5hours at 1066℃ and 966℃, and followed by aging
The addition of the Ti in Al-Li alloy promoted the formation of δ' phase. ... The addition of Ti on the δ' solvus line had a little effect over the thermodynamics δ' solvus line. ... In order to develop these purposed, the precipitation behaviors of the rapidly solidified Al-Li-Ti alloys
Binary Ti-Al alloys containing 50 to 60 atomic percent aluminum are rapidly solidified by hammer anvil ... Implications of the above observation are discussed with respect to the phase relations in the Ti-Al ... between 50 and 54 percent, a second phase exists besides TiAl(γ); this second phase is identified as Ti3Al
Abstract Y2Ti2O7 nanoparticles (0.3 mol%) have been successfully synthesized by the co-precipitation ... It was possible to control the size of the synthesized Y2Ti2O7 particles by manipulating the conditions ... The Y2Ti2O7 nanoparticles were coated on a glass substrate by a dipping coating process with inorganic
Herein, pre-forms of Ti-Al-xMn powder alloys are fabricated by compression forming. ... As intermetallic compounds based on Ti, TiAl alloys are becoming increasingly popular in the aerospace ... In this process, Ti powder is added to Al and Mn powders and compressed, and the resulting mixture is
The effect of Cr/Ti/Al elements in the alloy on high temperature oxidation was investigated using an ... A high-Cr/high-Ti oxide layer was formed on the blade surface under the heat-treated state considered ... temperature oxidation formed on the thermally exposed blade surface consisted of the following steps: ① Ti-oxide
Ti-63.1 mass%Al oxidized at 1173 K under parabolic law. ... The corrosion rate of Ti-63.1 mass%Al appears to be almost parabolic. ... Breakaway oxidation is observed in every alloy, except for Ti-63.1 mass%Al.
In this study, Si3N4 / Ti5Si3 + TiN / TiN / Ti diffusing pairs were formed in the Si3N4 / Ti interfacial ... In addition, Ti and TiAl alloys are metals used in a variety of high temperature environments, and have ... Therefore, study of the interface reaction between Si3N4 / Ti and Si3N4 / TiAl can be a useful practice
/TiFe + β- Ti/BiIn containing phase). ... The microstructural evolution and modulation of mechanical properties were investigated for a Ti65Fe35 ... In particular, the primary dendrite phase changed from a TiFe intermetallic compound into a β-Ti solid
of Al into the Ti matrix prior to the self-diffusion of Ti. ... areas of Ti decrease. ... the densification and the homogenization between Ti and Al/V particles.
CFRP-Ti stacks were then drilled for the next 20 holes with the same drill bit. ... CFRP holes and CFRP-Ti stack holes were evaluated in terms of machined hole quality. ... Tool wear increases the instability and the operation temperature when machining the Ti plate.
Porous W-10 wt% Ti alloys are prepared by freeze-drying a WO3-TiH2/camphene slurry, using a sintering ... To fabricate a porous W-Ti alloy, the camphene slurry is frozen at -30℃, and pores are generated in the
Although the Ti–6Al–4V alloy has been used in the aircraft industry owing to its excellent mechanical ... to investigate the effect of bulk shape on the microstructure and mechanical properties of L-PBFed Ti
