Ceramic Origami Back Plates via Elastomer Deformation
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Solution Overview
Problem
Ceramic materials are difficult to cast or machine due to their extremely high melting temperature, hindering the development of curved cellphone back plates that can leverage their superior mechanical, thermal, and electromagnetic properties.
Innovation Solution
A method involving 3D printing of elastomeric objects, deformation into complex origami structures, and transformation into ceramic origami objects through pyrolysis, using inks with particles and polymers, allowing for the creation of curved ceramic cellphone back plates with customizable geometries and properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If traditional casting or machining methods are used for ceramic materials, then the high melting temperature and hardness provide good mechanical and thermal stability, but the extremely high melting temperature makes the materials difficult to process and manufacture
Solution Approach 1:
The invention changes the processing parameters by using 3D printing technology that operates at lower temperatures compared to traditional ceramic processing. The extrusion of ceramic-containing polymer composition and subsequent low-temperature sintering transform the manufacturing conditions, making it feasible to process ceramic materials without requiring extremely high temperatures during fabrication.
Solution Approach 2:
The invention replaces traditional mechanical machining and casting methods with additive manufacturing (3D printing). Instead of removing material through machining or pouring molten material into molds, the system builds ceramic structures layer by layer through extrusion and sintering, fundamentally changing the manufacturing approach from subtractive/mechanical to additive/thermal processes.
2Strength
If ceramic materials are used for cellphone back plates to achieve better mechanical properties and electromagnetic signal transmission, then the hardness, strength, and thermal stability are improved, but the high melting temperature hinders the development of curved and complex geometries
Solution Approach 1:
The invention changes the geometric complexity parameter by utilizing 3D printing technology that can directly fabricate curved and complex structures. The layer-by-layer extrusion process and controlled sintering enable the creation of geometries that would be extremely difficult or impossible to achieve through traditional ceramic machining or molding methods.
Solution Approach 2:
The invention segments the manufacturing process into distinct stages: extrusion of ceramic-containing polymer composition, low-temperature sintering, and optional curved shaping. This segmentation allows each stage to be optimized independently, with the extrusion stage creating the base geometry and subsequent stages adding complexity and curvature without being constrained by traditional ceramic processing limitations.
3Device complexity
If 3D printing of elastomeric objects followed by deformation into origami structures is used, then geometrically complex curved structures can be achieved, but additional processing steps are required
Solution Approach 1:
The invention merges multiple functions into a single integrated process. The 3D printing system simultaneously performs extrusion of the ceramic-containing composition, initial shaping, and preparation for sintering in one continuous operation. The curved shaping module is integrated into the printing system, allowing geometric complexity to be added without requiring separate, discrete processing steps for each function.
Solution Approach 2:
The invention creates a multi-functional 3D printing system that can handle both straight and curved geometries, as well as various ceramic compositions, using the same core technology platform. The system is designed to be universally applicable to different ceramic materials and geometric requirements, reducing the need for specialized equipment for each specific application.
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
Enables the production of ceramic cellphone back plates with enhanced mechanical and thermal stability, electromagnetic signal transmission, and corrosion resistance, while overcoming the challenges of high melting temperatures and achieving cost-efficient, programmable, and geometrically complex designs.
Implementation Method 1
transforming the printed elastomeric origami object into an aforesaid printed ceramic origami object... the elastomer-to-ceramic transformation occurs via pyrolysis in a vacuum or under an inert atmosphere. the heating temperature of elastomer-to-ceramic transformation is ranged from 400° C. to 2000° C.
Data Source
AI summary
A system and a method for constructing a printed ceramic object, the method including the steps of extruding a substance to generate a 3D-printed elastomeric object; deforming the 3D-printed elastomeric object into a complex structure to form a printed elastomeric origami object; and transforming the printed elastomeric origami object into an aforesaid printed ceramic origami object.