The equipment specifications of the micro-nano single fiber mechanical property tester include: a mechanical testing system with a force resolution of 0.1mg (1μN) and a maximum range of 60g (60cN), suitable for testing the mechanical properties of various fibers; additionally, its main functions include measuring indentation depth, indentation load, creep stress index, etc. The following is a detailed introduction to the relevant content.
I. 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 repeatability of ±10μm. It features 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 structure design, making sample loading convenient.
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 prepared samples.
7. The spacing of the fixture system is continuously adjustable (can be positioned at 5mm, 10mm, 15mm, etc.), with a minimum of 2mm.
8. An illumination system for observing micro-nano single fibers in a darkroom, which can be used to observe the spatial position and morphology of the micro-nano single fibers.
9. Anti-vibration design of the entire machine to prevent instrument vibrations caused by the stretching process or external environment from affecting the test data.
10. PC software that can control various functions of the equipment, record and store experimental data, and plot stress-strain curves; it can set various test modes, such as tensile mode, cyclic tensile mode, constant elongation mode, etc.
II. Main Functions of the Micro-Nano Single Fiber Mechanical Property Tester
1. The comprehensive nano-mechanical property tester can measure indentation load, indentation depth, contact stiffness, hardness, elastic modulus; fracture toughness; creep stress exponent; storage modulus, loss modulus, and damping, etc.
2. The nano-scratch mode can obtain the coefficient of friction; critical scratch load (critical adhesion force between the film and the substrate material); scratch hardness; and quantitative surface topography measurements, such as step height measurement functions;
3. The nano-mechanical microscope utilizes the in-situ scanning mode to provide surface roughness; quantitative 3D images before and after indentation and scratching, and achieves ultra-high precision positioning for nano-indentation measurement, realizing nano-scale positioning accuracy through the newly added closed-loop feedback control in the X and Y directions.
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