Nano-composite Structure with Amorphous Matrix and Embedded Nano-crystallites
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Solution Overview
Problem
Existing nano-composite materials face challenges in processing due to agglomeration of nano-crystallites and differences in chemical, optical, and mechanical properties between the matrix and nano-crystallites, leading to defects and reduced transparency, particularly in applications like transparent optical ceramics and high voltage electronics.
Innovation Solution
A nano-composite structure is formed by precipitating nano-crystallites in an amorphous matrix without agglomerates or clear grain boundaries, achieved through heat treatment of a solution mixture of metal salts or metal-organic compounds, ensuring similar chemical elements and refractive indices between the nano-crystallites and the matrix.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If pre-made nano-crystallites are mixed into polymer or glass matrix, then nanocomposite structure is formed, but agglomeration occurs leading to material defects
Solution Approach 1:
The patent applies preliminary action by pre-forming the amorphous matrix with controlled composition and properties before introducing nano-crystallites. The matrix is specifically designed with chemical composition, physical properties, and structural characteristics that prevent agglomeration, creating a prepared environment that ensures uniform distribution of nano-crystallites without subsequent defects
Solution Approach 2:
The patent applies homogeneity by ensuring the amorphous matrix has uniform chemical composition and physical properties throughout. This homogeneous matrix environment prevents local variations that would cause nano-crystallite agglomeration, achieving consistent material structure and eliminating defects associated with non-uniform distributions
2Manufacturing precision
If nano-crystallites are precipitated from matrix, then self-assembly occurs without agglomerates, but processing temperature and duration must be precisely controlled
Solution Approach 1:
The patent applies parameter changes by systematically optimizing the chemical composition of the amorphous matrix to specific ranges that enable nano-crystallite precipitation at controlled temperatures. By adjusting matrix composition parameters (chemical makeup, physical properties), the patent achieves precise control over precipitation behavior, allowing self-assembly to occur at defined temperature ranges and durations without excessive processing complexity
3Ease of manufacture
If there are grain boundaries and voids in polycrystalline ceramic, then material can be formed, but defects are introduced affecting performance
Solution Approach 1:
The patent applies composite materials by creating a hybrid structure where nano-crystallites are embedded within an amorphous matrix. This composite approach combines the benefits of crystalline phases (structural order) with amorphous phases (absence of grain boundaries), achieving a material that forms easily without the defects typically associated with polycrystalline ceramics
Solution Approach 2:
The patent applies local quality by creating distinct regions with different characteristics: nano-crystallite regions provide structural integrity while the surrounding amorphous matrix regions eliminate grain boundaries and reduce voids. This local differentiation allows the material to achieve both ease of manufacture and high reliability by assigning different functional qualities to different local areas of the material structure
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The resulting nano-composite structure exhibits superior electrical, mechanical, and optical properties, with high transparency (>80% in the visible range), bright upconverting luminescence, and a smooth surface, suitable for applications such as transparent displays and high power microwave systems.
Implementation Method 1
The amorphous matrix and the nano-composite structure can be formed in a bulk of thin film format, by heating of a solution mixture of metal salts or metalorganic compounds, or a mixture of non-crystalline compounds, at relatively low temperatures.
Implementation Method 2
This invention solves the problems involving precipitating nano-crystallites in an amorphous matrix to form a nanocomposite structure
Implementation Method 3
nano-crystallites are precipitated from the matrix and are self-assembled without forming agglomerates or clear grain boundaries
Data Source
AI summary
A nano-composite structure comprises of an amorphous matrix with embedded nano-crystallites. The nano-crystallites are precipitated from the amorphous matrix via heat treatment of a solution mixture of metal salts or metalorganic compounds to an appropriate temperature range and with a suitable duration, or heating of a mixture of non-crystalline compounds. The nano-crystallites are self-assembled in the amorphous matrix without forming agglomerates or distinguished grain boundaries. The nano-composite structure can be used for transparent display, transparent optical ceramics, protection armor, nuclear protection, pulsed power, high voltage electronics, high energy storage system and high power microwave systems.