binary alloys 中文意思是什麼
binary alloys
解釋
二元合金-
The calculations for enthalpies of formation for noble metal - stannum binary alloys
貴金屬與錫二元合金的熱力學性質的計算 -
Based on kohler ' s ternary solution model and miedema ' s model for calculating the heat of formation of binary solution, the integral equation has been established for calculating activity coefficients in ternary alloys and intermetallics
根據korler和miedema模型，推導了三元合金各組元活度系數的對稱計算公式，確定了經驗常數a的值。 -
So the fitting effect of mivm is better than that of the regular solution model in binary solid alloys
分子相互作用體積模型在二元固態合金中的活度擬合效果優于正規溶液模型。 -
In this thesis, the thermodynamic properties of 24 binary al - based liquid alloys are then fitted with wilson equation and the regular solution model
隨后利用wilson方程和正規溶液模型對24個二元鋁基液態合金體系的熱力學性質進行了擬合。 -
The molecular interaction volume model ( mivm ) and the regular solution model have been applied to fit the activities of components in 37 binary solid alloys
摘要應用分子相互作用體積模型和正規溶液模型對37個二元固態合金體系的組元活度進行了擬合。 -
The eutectic crystal al3fe often is " needle " shape or short line shape but the shape of primary crystal al3fe is relative to the adding amount of fe powder and the temperature of heat preservation stirring. while the adding amount of pure fe powder is few and the temperature of heat preservation stirring is higher than the temperature of liquidus of al - fe binary alloys equilibrium phase diagram, the reaction synthetical primary crystal al3fe exhibits short worm shape
加入量少，保溫攪拌溫度在al - fe二元合金液相線以上，則形成的初晶al _ 3fe呈短蠕蟲狀； fe加入量大，保溫溫度在液相線以上，初晶al _ 3fe以平面方式生長，復合材料中的初晶al _ 3fe呈塊狀或粒狀，尺寸較大（ 10 m以下） 。 -
This effect was gradually decreased with the increase of snte content in the pseudo - binary alloys as well as the increase of temperature, which is considered to be caused by the change of scattering mechanism, the saturation of carrier concentration as well as the ag atoms occupying the
隨著膺ti合金rfsnte含量和測試溫度的上升， ag摻雜的作用逐漸降低，胸二兒合金的性能逐漸惡化。其原因被認為是由於散射機制的改變、載流子濃度趨于飽和以及ag作為間隙原一了提供額外施主。 -
Then based on the results in binary liquid alloys, thermodynamic properties of 6 ternary and 1 quaternary liquid alloys are predicted and compared. for most multi - component systems that are investigated, the predicted activities of al with wilson equation are in better agreement with the experimental results
在對二元系進行比較分析的基礎上，又利用wilson方程和正規溶液模型對6個三元系和1個四元系的組元活度進行了預測和比較研究。 -
However, the performance of thermoelectric materials can be optimized if various materials with different properties are arranged along the temperature axis to form a graded or laminated thermoelectric material. in the present work some homogeneous materials such as bi2te3 - and fesi2 - based thermoelectric materials as well as pseudo - binary alloys ( pbte ) 1 - x ( snte ) x ( 0 x 1 ) have been prepared, their thermoelectric properties have been measured, and the possibilities for constitution of laminated structures have been discussed. the processes for preparation of laminated thermoelectric materials and the thermal stress buffer layers sandwiched between thermoelectric material segments have been studied
本項工作主要包括： 1 ）均質熱電材料bi _ 2te _ 3基、 fesi _ 2基以及膺兩元合金（ pbte ） _ （ 1 - x ） （ snte ） _ x （ 0 x 1 ）的制備與性能研究，適合於製作梯度功能材料的各種均質熱電材料的篩選； 2 ）異種材質及近乎相同材質疊層材料制備工藝的研究以及熱應力緩和層的研究） ； 3 ）採用sem 、 edax 、 empa 、 xps等多種手段，對界面處微觀組織結構、擴散與反應的分析； 4 ）採用數學建模計算及實驗測量，對兩元和多元疊層熱電材料的結構設計以及性能和熱穩定性的研究。
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