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4篇 您的检索式:作者名="Z.Q.Hu"
    题名 作者 年代 出处 被引量
1HIGH TEMPERATURE FATIGUE BEHAVIOUR OF A DIRECTIONALLY SOLIDIFIED COBALT-BASE SUPERALLOY显示文摘The high temperature high cycle fatigue behaviour of a directionally solidified Co-base superalloy was investigated. The alloy has saperior fatigue resistance at 900℃ and its fatigue strength is up to 295MPa. Its σ-Nf curve is characterized by three distinct zones. The stronger dependence of Nf on or in the high .and low stress zones results from multiple fatigue crock initiation sites produced by high stress and oxidation effect in a prolonged exposure, respectively.W.H.JIANG X.D.YAO H.R.GUAN Z.Q.HU 1998Acta Metallurgica Sinica(English Letters)1998,11,2:4
2Microstructural Stability of a Single Crystal Superalloy DD8 during Thermal Exposure显示文摘五分钱底单身者水晶合金 DD8 的微结构稳定性被调查了。标准热对待在在当演员组下面的 950 ° C .While 的显示出的好微结构稳定性调节的标本,一种像杆的阶段猛抛在内部当演员组标本的树枝状的区域在热暴露期间。阶段,让电子消息传输方式组织,与也预言的 Cr.Thermo 计算被充实在 Cr 富有的电子消息传输方式分阶段执行的约 950 ° C .The 的一个电子消息传输方式阶段的降水被看作 alpha-Cr 并且在当演员组条件下面由于 Cr 的分离形成了。K.Y.Cheng D.H.Kim Y.S.Yoo C.Y.Jo T.Jin Z.Q.Hu 2008Journal of Materials Science & Technology2008,24,1:2
3Effect of Re Addition and Withdrawal Rate on the Solidification Behavior of Directionally Solidified Superalloy AM3显示文摘The influence of Re addition and withdrawal rate on the solidification behavior of the first generation single crystal superalloy AM3 was investigated by directional solidification and quenching experiments.The primary dendrite arm spacing and eutectic volume fraction were measured from directionally solidified superalloy AM3 with different Re contents.It is found that the primary dendrite arm spacing is determined by the withdrawal rate,and Re does not influence on the value.The eutectic fraction increases with increasing Re addition.Partition coeffcients of alloying elements were investigated with energy-dispersive X-ray spectrometry(EDS) analysis.The data was submitted to a statistical treatment to establish the solidification path,and the partition coeficients were measured by fitting the curve with a modified Scheil formula.It is shown that the addition of Re results in bigger microsegregation of alloying elements in directionally solidified AM3 superalloy.F.Long Y.S.Yoo S.M.Seo T.Jin Z.Q.Hu C.Y.Jo 2011Journal of Materials Science & Technology2011,27,2:2
4查看详情显示文摘M.H.Li X.F.Sun S.K.Gong Z.Y.Zhang R.Guan Z.Q.Hu 0,,:1
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