研究了凝固潜热对过冷合金熔液中的等轴枝晶生长以及溶质场和温度场的分布的影响。
The effects of solidification latent heat on the growth of equiaxed dendrite, distribution of solute field and temperature field in undercooled liquid alloy were analyzed.
研究结果表明，过冷液态纯金属形成廿面体对称的能力弱于过冷液态合金。
Results show that ability of forming Icosahedral symmetry of pure liquid metals is weaker than that of alloys.
多元合金的深过冷与快速枝晶生长是材料科学领域的重要研究课题。
The rapid dendrite growth of multicomponent alloys is an important research subject in the field of materials science.
对大块非晶合金在过冷液相区内的超塑性变形特点进行了评述。
Superplastic behaviors of bulk amorphous alloys in the supercooled liquid region were reviewed.
AZ 91d镁合金半固态液相的凝固方式与冷却速度所决定的过冷度有重要关西安理工大学硕士学位论文系。
The solidification modes of liquid phase of semi-solid AZ91D Mg alloy were in close relationship with the degree of supercooling determined by cooling rate.
系统研究了该合金的微观组织演化与熔体过冷度之间的关系。
The relation of microstructure evolution vs undercooling in Ni-Si eutectic alloy was systematically investigated.
综述了大块非晶合金在过冷液相区微塑性成形的工艺、成形性能评价及有限元技术应用方面的研究进展。
The forming techniques, evaluation systems and FEM application of bulk amorphous alloys in supercooled liquid region are summarized in this paper.
块状金属玻璃合金作为一种新型材料，具有高强度、良好的耐磨性能以及在过冷液态区内良好的加工成型性能和热稳定性。
Bulk metallic glassy alloys have almost theoretical high strength, excellent wear properties, good forming ability and thermal stability in the supercooled liquid region.
挤压态非晶合金的过冷温度区间减小，热稳定性有所降低。
And it is found that heat stability turns down, because the supercooled region of the bulk amorphous alloy becomes narrow.
最后给出了采用深过冷快速凝固技术制备微晶软磁合金的研究内容。
The main research content for the fabrication of microcrystalline soft magnetically alloys by high undercooling and rapid solidification has also been made out in the present paper.
大过冷液相区与高热稳定性的多组元大块非晶合金材料，它涉及一种非晶态材料。
The present invention relates to a multi-component large-block amorphous alloy material with large supercooling liquid phase area and high thermal stability.
稀土铈改善ZA2 7合金塑性的主要原因是铈增加了合金的成分过冷。
The main reason that rare earth cerium can improve elongation of ZA27 alloy is that cerium increases the compositional undercooling of the alloy.
铸态非晶合金的过冷温度区间明显大于挤压态。
The supercooled temperature range of the as-cast bulky metallic glass is obviously higher than that at extrusion state.
研究了MgCuY7Nd大块非晶合金在玻璃转化温度Tg附近及深过冷液相区的等温压缩变形行为。
The isothermal compression behaviors of MgCu-Y7Nd bulk amorphous alloy nearby the glass transition temperature (Tg) and at temperature in the supercooled liquid region are observed.
综述了大块非晶合金在过冷液相区微塑性成形的工艺、成形性能评价及有限元技术应用方面的研究进展。
The composition design criterions and characterizing of glass-forming ability for bulk amorphous alloys and their recent development are summarized.
综述了大块非晶合金在过冷液相区微塑性成形的工艺、成形性能评价及有限元技术应用方面的研究进展。
The composition design criterions and characterizing of glass-forming ability for bulk amorphous alloys and their recent development are summarized.
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