
[物] 界面能,界面自由能
The interfacial energy of silicates, however, is only 10-8 times of that of alumina and, thus, the silicates have the precondition of homogenous nucleation in the steel.
而矽酸鹽夾雜物的表面能隻為氧化鋁的10 ~(- 8),具備在鋼液中均質形核的條件。
Because of the surface tension effect and the interfacial energy of the oil drop, the oil thickness near the substrate edge is smaller than that of the center region of the sample.
研究表明,在液滴表面張力及界面能的共同作用下,矽油液滴一般呈現中間厚邊緣薄的不均勻分布;
The thermodynamic approaches to predict particle morphology were summarized and the rule of minimum interfacial free energy change was discussed in detail.
總結了複合微粒形态的熱力學預測方法,尤其對界面自由能量的變化最小原則進了評述。
The braze and interfacial microstructures were characterized by optical microscopy, scanning electron microscopy, and energy dispersive spectroscopy.
在釺焊和界面微觀結構的特點是光學顯微鏡,掃描電子顯微鏡和能譜。
Molecules are damped to pass interface by interfacial free energy, interfacial fr.
分子通過界面時需克服界面自由能,界面兩側的濃度不一緻。
|interfacial free energy;[物]界面能,界面自由能
根據權威詞典的定義和相關解釋,"interfacial energy"(界面能)是指兩種不同物質接觸界面處的能量狀态。其核心概念可拆解為:
詞源解析
科學定義
指在兩種不相溶物質(如液體-氣體、固體-液體等)的交界面上,由于分子間作用力差異産生的能量。這種能量會驅動界面形态變化,例如液滴的收縮或鋪展現象。
相關參數
常與"界面張力"(interfacial tension)相關聯,兩者在數值上等同,單位均為焦耳/平方米(J/m²)。界面能越高,物質間的混溶性越差。
應用領域
在材料科學中影響潤濕性、吸附性;在生物膜研究中決定細胞膜穩定性;在工業領域與乳化、塗層技術等密切相關。
如需更專業的量化分析,建議參考《表面物理化學》等教材,其中包含界面能的熱力學計算公式: $$ ΔG = γ cdot ΔA $$ 式中γ為界面能,ΔA為界面面積變化。
Interfacial energy is the energy required to create a boundary between two different materials or phases, such as the surface of a liquid and the air above it. It is also known as surface energy or surface tension.
Interfacial energy is an important concept in materials science and engineering, as it determines the behavior of materials at interfaces or boundaries. For example, the interfacial energy between two solids can affect the adhesion or cohesion between them, while the interfacial energy between a liquid and a solid can affect wetting and spreading.
Interfacial energy is often used in the study and characterization of materials, such as in the measurement of contact angles or in the analysis of surface tension. It is also used in the design and development of new materials, such as coatings or composites, where the interfacial energy between different materials can be manipulated to achieve desired properties.
Interfacial energy is a measure of the energy required to create or maintain an interface between two different materials or phases. It is a result of the differences in the chemical or physical properties of the materials at the interface, such as the composition, structure, or bonding. Interfacial energy can be calculated or estimated using various experimental or theoretical methods.
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