本文主要是探討鈦-20釩-4鋁-1錫-合金之振動阻尼比分析。鈦-20釩-4鋁-1錫合金利用頻譜分析儀量測其頻率響應函數,並利用ME’Scope VES軟體得到相對應的阻尼比,藉由這些數據來分析鈦-20釩-4鋁-1錫合金顯微結構的改變對材料振動特性影響。鈦-20釩-4鋁-1錫-合金在未作熱處理阻尼比為0.0220。鈦-20釩-4鋁-1錫-合金經由固溶熱處理阻尼比範圍為0.0210到0.0376。在短時效中材料阻尼比範圍在0.0206到0.0343。延長時效時間後,晶粒邊界及基地急速開始析出α’相,並且明顯影響阻尼比變化,長時效阻尼比範圍在0.0270到0.0559。經由X光繞射分析儀分析並計算後鈦-20釩-4鋁-1錫合金β相的晶格常數a=3.19nm。α相的晶格常數a=2.9 nm、c=4.61 nm,c/a=1.59 nm。
This paper is to explore the vibration damping ratio of Ti-20V-Al-1Sn. Ti-20V-Al-1Sn spectrum analyzer measure the frequency response function, and use ME'Scope VES software by the corresponding damping ratio, Ti-20V-Al-1Sn alloy by these data to analyze changes in the microstructure of the material on vibration characteristics. Ti-20V-Al-1Sn heat treatment in the absence of damping ratio of 0.0220. Damping ratio of Ti-20V-Al-1Sn alloy by solution heat treatment range from 0.0210 to 0.0376. Aging in the short range of material damping ratio from 0.0206 to 0.0343. Extended aging time, grain boundaries and base rapidly starts to precipitate α' phase, and significantly affect the variation of damping ratio, damping ratio of long aging in the 0.0270 to 0.0559 range. By X ray diffraction analysis and calculated the lattice constant of β-phase Ti-20V-Al-1Sn alloy a = 3.19nm. The lattice constant of α a = 2.9 nm, c = 4.61 nm, c / a = 1.59 nm.