Microwave Metal Powder Joining With High-Melting-Point Covering
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Solution Overview
Problem
Existing methods for producing metal solids are complex and costly, involving multiple processing steps and logistical challenges, which can lead to disruptions and increased expenses.
Innovation Solution
A method involving the coverage of metal powder with a high-melting-point material and subsequent irradiation with microwaves to sinter or melt-solidify the metal powder, allowing for easy production of metal solids and joined solids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional methods of processing ingots and metal steel pieces are used, then metal solids can be produced, but the production process becomes complex and costly with multiple processing steps and logistical transport
Solution Approach 1:
The patent combines multiple conventional processing steps into a single integrated process. Metal powder is placed in a mold, covered with a flux layer, and subjected to sintering in one operation, eliminating the need for separate ingot production, transportation, and processing steps that characterize conventional methods.
Solution Approach 2:
The patent replaces conventional mechanical processing methods (ingot casting, machining, shaping) with a sintering process that directly forms the desired metal solid from powder. The flux layer facilitates bonding during sintering, substituting for complex mechanical joining operations.
2Ease of manufacture
If conventional processing methods are used, then metal solids can be produced, but production costs increase due to multiple processing companies and logistical transport
Solution Approach 1:
The patent consolidates multiple manufacturing operations into a single sintering process that can be performed in one facility. The metal powder, mold, and flux layer are prepared and processed together, eliminating the need for transporting intermediate products between multiple processing companies and reducing associated time losses.
3Reliability
If conventional processing methods are used, then metal solids can be produced, but disruption of one step disrupts all downstream steps
Solution Approach 1:
The patent integrates multiple processing steps into a single sintering operation where metal powder consolidation, bonding, and shaping occur simultaneously. This unified process eliminates the sequential dependencies of conventional methods, where disruption of one step cascades through downstream steps.
Solution Approach 2:
The flux layer acts as an intermediary substance that facilitates bonding between metal powder particles during sintering. This mediator enables reliable consolidation in a single step, reducing the sensitivity to disruptions that characterize complex multi-step conventional processes.
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
This method simplifies the production of metal solids and enables efficient bonding of metal solids to other solids, reducing costs and complexity while maintaining high density and bonding strength.
Implementation Method 1
irradiating the metal powder, at least a portion of the periphery of which is covered with the high-melting-point material, with microwaves to heat the metal powder
Implementation Method 2
irradiating the metal powder, at least a portion of the periphery of which is covered with the high-melting-point material, with microwaves to heat the metal powder
Implementation Method 3
sintering or melt-solidifying the metal powder
Implementation Method 4
sintering or melt-solidifying the metal powder
Data Source
AI summary
A method for producing a joined solid, the method comprising placing a metal powder on a solid; covering at least a portion of the periphery of the metal powder with a high-melting-point material having a melting point higher than the melting point of the metal powder, and irradiating the metal powder, at least a portion of the periphery of which is covered with the high-melting-point material, with microwaves to heat the metal powder, thereby sintering or melt-solidifying the metal powder to form a metal solid on the solid.