The experimental method of the micro-nano single fiber mechanical property tester involves placing the sample on the drum of the electrospinning equipment to receive the electrospun fibers in situ. The fibers are then fixed to the sample platform using a bonding agent. Subsequently, the fibers are observed through a side light source in a darkroom environment. An automatic thermal cutter is used to cut the pillars on both sides of the sample platform, after which the system enters the experimental mode. The relevant details are introduced in depth below.
I. Experimental Method of Micro-Nano Single Fiber Mechanical Performance Tester
1. The equipped control panel can display force data in real time and control the 3D spatial positioning module to accurately locate the spatial position of the sample platform.
2. The patented sample platform allows for online sample collection and offline sample preparation. Place the sample platform on the drum of the electrospinning equipment to receive electrospun fibers online. The fibers are fixed onto the sample platform using a bonding agent. Then, observe the fibers under a side light source in a darkroom environment, select one fiber, and remove the remaining fibers, leaving only a single fiber. After placing the sample platform on the instrument and securing it, use the automatic thermal cutter to cut off the pillars on both sides of the sample platform, and then enter the experimental mode.
II. Equipment Specifications of the Micro-Nano Single Fiber Mechanical Property Tester
1. Sample preparation platform for micro-nano single fibers: This platform is specifically designed for sample preparation of special fibers such as micro-nano single fibers or conventional fibers.
2. Mechanical testing system for measuring the mechanical properties of micro-nano single fibers: The force resolution reaches 0.1mg (1μN), with a maximum range of 60g (60cN), suitable for testing the mechanical properties of various fibers.
3. Tensile testing system for testing the elongation properties of micro-nano single fibers: The range is 100mm, with a repeatable positioning accuracy of ±10μm, and an Omron photoelectric protection switch to ensure the tensile system is not damaged. The tensile speed range is 0.1mm/min to 250mm/min, with continuously adjustable speed.
4. The entire instrument adopts a horizontal structural design, making it convenient for sample loading.
5. The enclosed chamber system for placing samples ensures that the micro-nano single fiber testing process is not affected by external interference, protecting the test samples.
6. A fixture system for testing the mechanical properties of micro-nano single fibers, specifically designed for holding offline sample preparation platforms.
7. The spacing of the fixture system is continuously adjustable (can be positioned at 5mm, 10mm, 15mm, etc.), with a minimum of 2mm.
8. The illumination system for observing micro-nano single fibers in a darkroom can be used to observe the spatial position and morphology of micro-nano single fibers.
9. The anti-vibration design of the entire machine prevents instrument vibrations caused by the stretching process or external environment from affecting the test data.
10. The PC software can control various functions of the equipment, record and store experimental data, and plot stress-strain curves; it can also set various test modes, such as tensile mode, cyclic tensile mode, constant elongation mode, etc.
The above is the complete introduction to the experimental methods of the "micro-nano single fiber mechanical property tester". We hope it is helpful to you.
