高阻尼合金 的英文怎麼說
中文拼音 [gāozǔnígějīn]
高阻尼合金
英文
high damping alloy-
Abstract : the development of research in the mn - based high damping alloys is introduced. the physical mechanism of high damping is discussed. some suggestions for further studies are also mentioned
文摘:簡要介紹了錳基高阻尼合金的研究現狀，闡述了其高阻尼的物理本質，並提出了一些值得注意的研究方向。As the demand of low weight and high strength for high damping alloys, the composition of aluminum alloys was determined as al - 20 % zn - 6 % si - 0. 4 % mg ( i. e. azsm ) by the orthogonal experiments. furthermore, effects of alloyed elements, the modifying agents and heat - treatment on microstructures, damping capacities and mechanical properties of the azsm alloy were studied. finally, the damping mechanism of the azsm alloy was proposed
根據對高阻尼合金輕質高強的要求，採用正交試驗法確定了具有良好阻尼性能的鋁合金的成分為al - 20 zn - 6 si - 0 . 4 mg （下稱azsm合金） ；探討了合金化、變質和不同熱處理工藝對azsm合金組織、阻尼性能和力學性能的影響；最後提出了azsm合金的室溫阻尼機制。As the lightest constructional material, magnesium alloy has high specific strength, high specific stiffness, good magnetic - shielding ability, good damping ability, and good machinability
鎂合金是比重最輕的結構材料，具有高的比強度、比剛度和良好的磁屏蔽性、阻尼性、切削加工性等優點。The paper studied controlling rotor vibration with the super - elasticity of sma and sfd, set up the new equation of sys tern vibration according to the stress - strain curve of sma in super - elasticity state, used the nonlinear theory and the dynamic stability theory to study the vibration of rotor controlled by sma, discussed the stability condition of the system, obtained the relationship of system parameters when bifurcation was appeared, supposed a method that improves the stability of rotor system and restrains vibration amplitude though changing parameters, and finally validated the effect of restraining vibration of the improved system through emulation
摘要研究利用形狀記憶合金的超彈性和擠壓油膜阻尼器控制轉子振動，利用形狀記憶合金在超彈性狀態下的應力應變曲線，建立了新的系統振動方程，運用非線性理論和運動穩定性理論研究轉子在形狀記憶合金控制下的振動狀態，討論了系統的穩定性條件，獲得系統發生分岔時系統參數之間的關系；並提出了通過改變參數來提高系統穩定性和抑制振幅的方法，最後通過模擬驗證了改進后的系統振動抑制效果。The main results are as follows : 1. the apparatus is fit for measuring sonic frequency damping capacities of alloys. the characteristics of it are low cost, simple structure and high measuring precision
主要結論如下： 1 ）開發出的聲頻阻尼測試系統，成本低，構造簡單，測試精度高，適于科研和工程中阻尼合金的聲頻阻尼測試。Contrastive tests of damping aluminum - alloys, zinc - alloys and 45 # steel are carried out at the case of equal stiffness. the test results show that when the rocker bar is made of damping aluminum - alloys or damping zinc - alloys, the strain amplitude at the middle point of connecting bar is half of the one when the rocker bar is made of 45 # steel
在等剛度條件下對鋁基、鋅基阻尼合金和45鋼阻尼減振作川進行了對比實驗，實驗結果表明搖桿為鋁基和鋅基阻尼合金材料時，連桿中點動態應變曲線幅值只有45鋼時的一半左右，而且隨著曲柄轉速的提高，阻尼合金的減振效果更加明顯。分享友人