Introduction to Immiscible Alloy

What is/are Immiscible Alloy?

Immiscible Alloy - Although Mg/Fe is an immiscible alloy system, defect-free welds with high strength were successfully obtained in a wide parameter window. ^[1] It has been shown that powder metallurgy can be used for the preparation of bulk immiscible alloys with the fine microstructure consists of separate phases, which can be individually alloyed by the selected elements, and therefore, powder metallurgy can be considered as a suitable alternative to the more used casting. ^[2] Immiscible alloys, whether in well-mixed or layered forms, are of increasing interest based on their novel structural and functional properties, such as enhanced thermal stability against grain growth or radiation-induced defect trapping at the interfaces. ^[3] Immiscible alloy is a kind of functional metal material with broad application prospects in industry and electronic fields, which has aroused extensive attention in recent decades. ^[4] Co-deposited immiscible alloy systems will form hierarchical microstructures under specific processing parameters that accentuate the difference in constituent element mobility. ^[5] Laser powder bed fusion (LPBF) was employed to produce Fe and Fe-(10–50 vol%) Cu immiscible alloys using elemental powders. ^[6] Co-deposited, immiscible alloy systems form hierarchical microstructures under specific deposition conditions that accentuate the difference in constituent element mobility. ^[7] Although developed for porous materials, the derived combined models could be applied for the accurate and rapid prediction of the thermophysical and mechanical properties of multi-phase materials with unknown microstructure such as two-ductile-phase alloys, nanocomposites, hetero- and harmonic-structured materials, and immiscible alloys. ^[8] Dynamic interaction of defects with phase boundaries in multiphase alloys, especially for immiscible alloys, has generated more research interest in recent years. ^[9] Solid state alloying of immiscible alloy systems such as Cu-Cr is an important field of physical metallurgy. ^[10] Minor-phase globule collision (MPGC) is of crucial significance in the final microstructure of droplet-shaped immiscible alloy. ^[11] This finding is contrary to the conventional understanding that the droplet size can exert great influence on the microstructures by controlling Marangoni motion, and moreover offers a new insight into how to design the desired structures in the droplet immiscible alloy. ^[12] In this review, we focus on recent advances in PGM-based solid-solution alloy NP, and in particular those with immiscible alloy systems. ^[13] With 8 h pre-milling, this method considerably benefits the oxidation process of Mo and shows its promising potential in the synthesis of immiscible alloys. ^[14] Benefitted from the mobility of these two immiscible liquids, L2 tends to show regular rod-like morphology and finally transform to rod-like SPPs, which is similar to some immiscible alloys containing an immiscibility gap, such as Al-Pb, Al-Bi and Ti-Ag alloys. ^[15] In addition, this finding was examined by Fe-58 wt%Sn immiscible alloy using drop tube processing, and the solidified microstructure agreed well with the observation result. ^[16] Cu-based binary and ternary immiscible alloys were synthesized from elemental powders via friction stir processing (FSP) as a pathway to obtain thermally stable bulk nanostructured alloys with forced miscibility. ^[17] In order to eliminate the microstructure segregation of Cu–Fe immiscible alloys which characterized with a liquid miscible gap, the Cu88Fe12 (wt. ^[18] In this issue, Rajeeva and co-workers have reported a new strategy using low-power laser heating to trigger precursor supersaturation in the solution phase to synthesize surfactant-free immiscible alloys while simultaneously patterning the nanoalloys onto the substrate in a programmable manner. ^[19] The laser-supported combustion (LSC) and laser-supported detonation (LSD) wave dominated plasmas with different elemental mass ratios are induced from a series of binary immiscible alloys by using low and high irradiance laser pulses, respectively. ^[20] 1 GPa in the peak-aged condition (aging for 6 h), which is remarkable among Cu-based ternary immiscible alloys. ^[21] Directional solidification experiment was carried out with Al-Bi-Sn immiscible alloy under microgravity environment onboard the Tiangong 2 space laboratory of China. ^[22] Direct alloying is very difficult for immiscible alloy systems owing to the absence of driving force at equilibrium. ^[23] The effect of power ultrasound on the liquid phase separation of ternary Cu-32%Sn-20%Bi immiscible alloy is experimentally investigated, which shows that as compared with the layered structure formed under static condition, the macrosegregation resulted from liquid phase separation is remarkably reduced with the increase of ultrasonic amplitude. ^[24] The hollow Fep-reinforced Cu-matrix homogeneous immiscible alloys were successfully produced by the combination of Kirkendall effect and laser powder deposition. ^[25] Ti-Mg immiscible alloy thin films were prepared using a multi-arc ion plating technique with various deposition parameters. ^[26]

Sn Immiscible Alloy

In addition, this finding was examined by Fe-58 wt%Sn immiscible alloy using drop tube processing, and the solidified microstructure agreed well with the observation result. ^[1] Directional solidification experiment was carried out with Al-Bi-Sn immiscible alloy under microgravity environment onboard the Tiangong 2 space laboratory of China. ^[2]

Ternary Immiscible Alloy

Cu-based binary and ternary immiscible alloys were synthesized from elemental powders via friction stir processing (FSP) as a pathway to obtain thermally stable bulk nanostructured alloys with forced miscibility. ^[1] 1 GPa in the peak-aged condition (aging for 6 h), which is remarkable among Cu-based ternary immiscible alloys. ^[2]

immiscible alloy system

Although Mg/Fe is an immiscible alloy system, defect-free welds with high strength were successfully obtained in a wide parameter window. ^[1] Co-deposited immiscible alloy systems will form hierarchical microstructures under specific processing parameters that accentuate the difference in constituent element mobility. ^[2] Co-deposited, immiscible alloy systems form hierarchical microstructures under specific deposition conditions that accentuate the difference in constituent element mobility. ^[3] Solid state alloying of immiscible alloy systems such as Cu-Cr is an important field of physical metallurgy. ^[4] In this review, we focus on recent advances in PGM-based solid-solution alloy NP, and in particular those with immiscible alloy systems. ^[5] Direct alloying is very difficult for immiscible alloy systems owing to the absence of driving force at equilibrium. ^[6]