Droplet Formation on Single Fiber for Adhesion Testing
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Solution Overview
Problem
Current methods for testing adhesion strength between fibers and solid droplets require multiple samples, leading to high consumption of matrix material and fibers, as each sample can only be tested once, making the process costly and inefficient.
Innovation Solution
A method and device for forming multiple droplets on a single fiber by moving it through a liquid or viscous polymer material, allowing the droplets to solidify, which reduces the use of matrix material and enables multiple tests from a single fiber.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple samples are prepared for adhesion strength testing, then the number of tests increases, but the consumption of matrix material and fibers increases significantly
Solution Approach 1:
A single fiber is used to form multiple droplets, allowing the same fiber to participate in multiple adhesion strength tests. This multi-functional use of the fiber eliminates the need to prepare multiple separate samples, thereby reducing material consumption while maintaining test quantity
Solution Approach 2:
Multiple droplets are formed on a single fiber in advance during a preliminary processing step. This preliminary action of creating multiple droplets on one fiber enables subsequent multiple tests without requiring additional material preparation, thus reducing overall material consumption
2Productivity
If multiple samples are prepared for adhesion strength testing, then the number of tests increases, but the number of fibers required increases significantly
Solution Approach 1:
A single fiber serves multiple functions by having multiple droplets formed on it, enabling the same fiber to be used in multiple adhesion strength tests. This eliminates the need to use multiple different fibers, thereby reducing the total quantity of fibers required
3Ease of operation
If traditional sample preparation method is used, then each sample can be tested once, but the preparation process is expensive and inefficient
Solution Approach 1:
Multiple droplets are merged onto a single fiber during the formation process, combining what would traditionally require multiple separate samples into one integrated sample. This merging enables multiple tests from a single preparation, improving efficiency and reducing preparation costs
Solution Approach 2:
Instead of discarding the fiber after a single test, the fiber with multiple droplets allows recovery and reuse of the same fiber for multiple additional tests, thereby improving operational efficiency and reducing the need for continuous sample preparation
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 approach allows for the formation of multiple solid droplets on a single fiber, significantly reducing the consumption of matrix material and fibers, enabling multiple adhesion strength tests from a single sample, thus enhancing efficiency and reducing costs.
Implementation Method 1
a first primary layer of the liquid or viscous polymer based material is formed onto the part of the primary fibre
Implementation Method 2
the droplet is solidified or allowed to solidify
Data Source
AI summary
A method for forming at least a first primary droplet onto a primary fiber includes arranging part of the primary fiber into a reserve of liquid or viscous polymer based material so the primary fiber extends through and on both sides of the reserve. The primary fiber and/or the reserve move relative to each other so a first part of the primary fiber moves out from the reserve with a first primary velocity, forming a first primary layer of the liquid or viscous polymer based material onto the first part of the primary fiber. The first primary layer of the liquid or viscous polymer based material is allowed to form a first primary droplet onto the primary fiber holding the primary fiber relative to the reserve or moving the primary fiber and/or the reserve relative to each other with a first secondary velocity less than the first primary velocity.