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3篇 您的检索式:作者名="K.C.PARK"
    题名 作者 年代 出处 被引量
1Microstructure and creep properties of Mg-4Al-2Sn-1(Ca,Sr) alloys显示文摘The effects of Ca and Sr addition on the microstructure and creep properties of Mg-4Al-2Sn alloys were examined.Tensile tests at 25℃ and 200℃ and creep tests at 150℃ and 200℃ were carried out to estimate the room temperature and high temperature mechanical properties of these alloys.The microstructure of the Mg-4Al-2Sn alloy showed dendriticα-Mg,Mg17Al12 and Mg2Sn phases.The latter two phases precipitated along the grain boundaries.The addition of Ca and Sr resulted in the formation of ternary CaMgSn and SrMgSn phases within the grain.The grain size was reduced slightly with the addition of Sr and Ca.The tensile strength was decreased by the addition of Ca and Sr at room temperature.However,the high temperature tensile strength was increased.The creep strength was improved by the addition of Ca and Sr.B.H.KIM K.C.PARK Y.H.PARK I.M.PARK 2010Transactions of Nonferrous Metals Society of China2010,20,7:4
2Evaluation of microstructure and mechanical properties of Mg-xCe-0.5Zn alloys by nano-indentation显示文摘The microstructure and mechanical properties of Mg-xCe-0.5Zn(x=0.5,1.5,2.5,molar fraction,%) alloys were examined using a nano-indentation technique.The alloys were fabricated using a vacuum induction melting method under an argon atmosphere. The microstructures of Mg-xCe-0.5Zn alloys mainly consist ofα-Mg and eutectic Mg12Ce phase.The volume fraction and size of the eutectic Mg12Ce phase increase with increasing Ce contents.Nano-indentation test results show that the indentation hardness and elastic modulus of the eutectic Mg12Ce phase are higher than those of theα-Mg matrix.In addition,the mean indentation hardness and elastic modulus of the Mg-xCe-0.5Zn alloys increase with the Ce addition amount increasing.K.C.PARK B.H.KIM Y.H.PARK I.M.PARK 2010Transactions of Nonferrous Metals Society of China2010,20,7:1
3Hepatoselectivity of statins:design and synthesis of 4-sulfamoyl pyrroles as HMG-CoA reductase inhibitors显示文摘William K.C.Park Robert M.Kennedy Scott D.Larsen 0,,:1
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