Method for measuring performance parameters of micro-nano particles

A technology of micro-nano particles and measurement methods, which is applied in the field of measurement of micro-nano particle performance parameters, can solve problems such as inability to perform, inability to guarantee detection accuracy, and influence of solution purity and surface tension.

CN104880390AActive Publication Date: 2015-09-02SOUTH CHINA NORMAL UNIVERSITY +2
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2015-09-02

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Abstract

The invention discloses a method for measuring performance parameters of micro-nano particles. The method comprises the following steps: constructing a system for measuring performance parameters of micro-nano particles, wherein the system comprises a detection ware, a constant temperature control regulator, an ultrasonic module, a soundproofing module, a signal analysis and process module; the specific value of the backscatter intensity of free micro-nano particles in solid-liquid continuous phase medium for ultrasonic waves to the incident intensity of the free micro-nano particles in solid-liquid continuous phase medium for ultrasonic waves, and other parameters like the sound pressure, the particle concentration, the particle size, the medium viscosity and the medium density are utilized for calculating to obtain the characteristic mechanical parameters. According to the method for measuring performance parameters of micro-nano particles, the elastic coefficient and the surface tension of micro-nano particles can be precisely measured under the same measuring system and the same measuring environment, so that accurate experimental data is provided for study on the relation between the elastic coefficient and the surface tension, the properties of materials can be more deeply mastered, the service life of the materials is prolonged, and the quality of the materials is improved.
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Description

technical field

[0001] The invention relates to the measurement of characteristic mechanical performance parameters of micro-nano particles, in particular to a method for measuring the performance parameters of micro-nano particles. Background technique

[0002] The characteristic mechanical performance parameters of micro-nano particles, especially the surface tension and elastic coefficient, are closely related to the stability of the particles. By studying and testing the characteristic mechanical performance parameters of micro-nano particles, we can better study under what conditions micro-nano particles are the most stable and have the longest service life, and we can also obtain the maximum stable critical point of particles under the action of the outside world, etc. Important information, so that the particles can be used stably and for a long time by controlling the external conditions. Nanomaterials refer to solid materials composed of extremely fine particles wi...

Examples

Embodiment Construction

[0063] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0064] A method for measuring performance parameters of micro-nano particles of the present invention comprises the following steps:

[0065] Step S10: building a measurement system for performance parameters of micro-nano particles, figure 1 Schematic diagram of the measurement system structure for the performance parameters of micro-nano particles; figure 1 As shown, the measurement system includes: a detection vessel 1, which is used to carry micro-nano particles 4 to be detected; a thermostatic control regulator: used to adjust the temperature in the detection vessel 1; an ultrasonic module, which is used to emit ultrasonic waves to micro-nano particles The particle 4 receives the ultrasonic echo signal reflect...