Laminated Member with Si-SiC Layer for Kitchen Worktops
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Solution Overview
Problem
Existing materials for worktops and top plates in kitchen systems, such as stainless steel, artificial marble, and crystallized glass, face issues with scratch resistance, heat resistance, thermal conductivity, and manufacturing challenges, while heating members require high speed temperature control and impact resistance.
Innovation Solution
A laminated member comprising a glass member with high linear transmittance and a Si—SiC member with specific thermal conductivity and mechanical properties, bonded with a resin layer, optimized for thickness, expansion coefficients, and Young's modulus, to provide improved scratch resistance, heat management, and impact resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If crystallized glass is used for large substrates, then transparency and heat resistance are improved, but manufacturing difficulty increases due to uncontrollable crystal precipitation
Solution Approach 1:
The invention uses a composite structure combining glass and Si-SiC layers. The glass layer provides heat resistance and transparency, while the Si-SiC layer offers high thermal conductivity and structural stability. This composite approach allows achieving the properties of crystallized glass without the manufacturing difficulties of controlling crystal precipitation in large substrates.
2Speed
If heating member thickness is reduced, then temperature control speed is improved, but impact resistance deteriorates
Solution Approach 1:
The heating member uses a composite structure with a thin Si-SiC layer (0.1-5.0 mm) for rapid temperature response and a thicker glass layer for mechanical strength and impact resistance. The Si-SiC layer provides high thermal conductivity (190-300 W/m·K) enabling fast heating, while the glass layer protects against impacts, resolving the contradiction between speed and strength.
Solution Approach 2:
Different layers of the composite material have different properties optimized for specific functions: the Si-SiC layer is optimized for thermal conductivity and thickness to achieve rapid temperature control, while the glass layer is optimized for mechanical strength and impact resistance. Each layer performs its specialized function locally within the composite structure.
3Shape
If artificial marble is used for worktop, then aesthetic design is improved, but heat resistance and thermal conductivity deteriorate
Solution Approach 1:
The invention creates a composite material system that combines the aesthetic qualities of glass (transparency, design flexibility) with the heat resistance and thermal conductivity of Si-SiC. This allows worktops to maintain aesthetic appeal while achieving the heat management properties needed for kitchen applications, unlike artificial marble which fails on heat resistance.
4Reliability
If stainless steel is used for worktop, then durability is improved, but scratch resistance deteriorates
Solution Approach 1:
The composite structure combines glass with high scratch resistance and durability with Si-SiC for enhanced mechanical properties. The glass surface is inherently more scratch-resistant than stainless steel, while the Si-SiC layer provides additional structural support and hardness, achieving superior scratch resistance while maintaining overall durability.
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 laminated member offers enhanced scratch resistance, high-speed temperature control, and improved impact resistance, making it suitable for both worktops and top plates in kitchen systems, while maintaining design aesthetics and functionality.
Implementation Method 1
a glass member of which a linear transmittance at a wavelength of 850 nm is 80% or more
Implementation Method 2
a thermal conductivity of the Si—SiC member is 190 W/m·K to 300 W/m·K
Implementation Method 3
a bonding layer provided on or above the glass member, the bonding layer being constituted by a resin
Data Source
AI summary
A laminated member includes a glass member of which a linear transmittance at a wavelength of 850 nm is 80% or more, a bonding layer provided on or above the glass member, the bonding layer being constituted by a resin, and a Si—SiC member provided on or above the bonding layer.