Experimental Determination of the Sn-Cu-Ni Phase Diagram for Pb-Free Solder ApplicationsMICROELECTRONICSINTERMETALLIC compoundsELECTRONIC equipmentALLOYSLANDFILLSThe rapid increase of scrapped electrical products disposed in landfill sites is significantly influencing the environment because of the composition of ...
Keywords;Cu-Ni-Snternarysystem;phasediagram;CALPHADmethod;thermodynamiccalculation Cu-Ni-Sn系合金由于具有高强度、高导电性 和良好的耐蚀性以及焊接性能,在电子材料领域中 得到了广泛使用。特别是利用高Ni、高Sn成分侧 低温时出现的fc。相的Spinodal分解,开发出高强 ...
However, the phase diagram reassessment of nanoparticles has been so far confined to fully miscible alloys or simple eutectic alloy systems such as the Ag–Au [17] and Cu–Ni [18] binary systems. For an incongruently melting system containing intermetallic compounds like the Sn–Ag system, Sim...
摘要:基于Cu2Ni2Sn三元系的相平衡和热力学的实验信息,采用亚正规溶体模型描述液相和fcc相的Gibbs 自由能,为了预测该体系中bcc相的A2B2有序无序转变,bcc相的Gibbs自由能采用双亚点阵模型进行描述。 利用CALPHAD(相图计算)方法评估了Cu2Ni2Sn三元系各相的热力学参数,计算的富Cu侧相图和热力学性质与 ...
Phase diagram investigation of the Cu–Sn system was carried out on twenty Cu-rich samples by thermal analysis (DTA), metallographic methods (EPMA/SEM-EDX) and crystallographic analysis (powder XRD, high temperature powder XRD). One main issue in this work was to investigate the high temperature...
Phase diagram Cu–Sn redrawn after Knödler[55](compare Fig.1(a)) depicting in red the composition ranges within which certain types of products are obtained upon quenching β or γ phase to –183 °C and reheating to ambient temperature, at which PXRD analysis has been performed. These ...
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found Co-rich phase separated from undercooled Co-Cu alloys in high magnetic field22. To further uncover the nucleation mechanisms in strong magnetic fields, in the present paper, the effects of strong static magnetic field (includes homogeneous and gradient magnetic field) on the undercooling ...
The adjustable parameters of the sub-systems, Cu–Pb, Cu–Zn and Pb–Zn, are taken... JMG Vassilev - 《Calphad-computer Coupling of Phase Diagrams & Thermochemistry》 被引量: 6发表: 2010年 Thermodynamic reassessment reassessment of the Ni-In system using ab-initio data for end-member ...
phase diagramAg-Ni-Snphase equilibriaisothermal sectionThe ternary system Ag-Ni-Sn is one of the constituents of the quaternary system Ag-Cu-Ni-Sn, which is of interest for the investigation of the interactions of Ag-Cu-Sn solder alloys with Ni as a......