Diamond-Mica Ceramic Coating for Durable Non-Stick Surfaces
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Solution Overview
Problem
Ceramic non-stick coatings used in cookware and other applications face challenges in maintaining non-stick properties when exposed to high temperatures, scratches, and salty cooking media, particularly losing durability due to heat shock and salt water boiling resistance.
Innovation Solution
A ceramic coating composition incorporating 0.2 wt %-2 wt % of a diamond additive with blue, green, or red coloured mica particles, combined with a base ceramic coating composition, enhances the non-stick durability and resistance to salt water boiling, abrasion, and thermal conductivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional ceramic coatings are used to provide non-stick properties, then the coating can be applied and cured, but the non-stick properties are quickly lost when exposed to salt water boiling and heat shock
Solution Approach 1:
The patent applies composite materials by combining diamond particles (0.1-2 wt%) and coloured mica particles (0.1-5 wt%) with the ceramic coating matrix. This composite structure enhances the coating's resistance to salt water boiling and heat shock, maintaining non-stick properties throughout the service life. The diamond provides hardness and thermal stability while mica adds flexibility and thermal shock resistance, resolving the contradiction between initial non-stick performance and long-term durability.
Solution Approach 2:
The patent changes the chemical composition parameters of the ceramic coating by incorporating specific amounts of diamond and coloured mica particles. This compositional modification transforms the coating's properties to resist degradation from salt water boiling and thermal cycling, thereby extending the duration of non-stick functionality while maintaining reliability under harsh cooking conditions.
2Strength
If diamond particles are added to improve scratch resistance and thermal conductivity, then these properties are enhanced, but the non-stick durability remains insufficient without additional components
Solution Approach 1:
The patent merges diamond particles and coloured mica particles into a single ceramic coating formulation. The diamond provides scratch resistance and thermal conductivity enhancement, while the coloured mica contributes to non-stick durability and thermal shock resistance. This combination allows the coating to simultaneously achieve improved scratch resistance and maintained non-stick durability, resolving the contradiction between these two properties.
3Strength
If the coating is made harder to improve scratch and abrasion resistance, then surface durability improves, but the non-stick properties may be compromised
Solution Approach 1:
The patent applies local quality by distributing diamond and coloured mica particles throughout the ceramic coating matrix at specific concentrations. The diamond particles (0.1-2 wt%) provide localized hardness and scratch resistance, while the coloured mica particles (0.1-5 wt%) maintain the overall non-stick surface quality. This localized enhancement allows the coating to achieve high abrasion resistance without compromising the global non-stick performance.
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 coating exhibits significantly improved longevity of non-stick properties, withstanding salt water boiling and abrasion for extended periods while maintaining thermal conductivity, outperforming conventional and diamond-containing ceramic coatings.
Implementation Method 1
diamond containing ceramic coating composition... improved... thermal conduction properties
Implementation Method 2
heat and heat shock damage contribute to the loss of the non-stick effect over time
Data Source
AI summary
The present invention relates to an enhanced ceramic coating composition comprising a base non-stick ceramic coating composition and 0.2 wt %-2 wt % diamond additive (DA) with wt % compared with the total weight compared of the ceramic coating composition, wherein the diamond additive comprises diamond and mica particles, and wherein said mica particles comprise coloured mica particles, such as red and/or green and/or blue coloured mica particles. It also relates to a method of coating an artefact with the improved ceramic coating, and an artefact provided with a dry film coating containing an improved ceramic coating prepared using an improved ceramic coating composition of the invention. An artefact coated with the improved ceramic coating has the combined advantages of durable non-stick, scratch resistance and abrasion resistance.