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Research focus in the field of magnetorheological fluids: friction and wear characteristics of magnetorheological fluids
2023-06-28
Magnetorheological fluid is a suspension composed of dispersed phase, continuous phase and additives. As a Smart material, it can quickly respond to the change of magnetic field in milliseconds.Magnetorheological fluids have the characteristics of continuous adjustability, active control, and low energy consumption, and are widely used in mechanical manufacturing, automotive components, precision machining, aerospace, biomedical, and other fields.
Ion beam polishing: Do you know the advantages of ion beam polishing machines?
2023-06-28
In yesterday's article, we learned about the main concepts of ion beam polishing and the current research and development status of ion beam polishing machines. Today, we will take a look at the advantages of ion beam polishing machines.1. Non contact material removalDuring the processing of ion beam polishing machine, the mirror surface will not deform due to stress, so there will be no copy effect. The removal function at the mirror edge does not change due to the change of contact area and pressure. The edge removal function is the same as the center, and there is no Edge effects in the processing process. During the machining process, the ion source can fully move out of the workpiece surface, ensuring that……
Polishing knowledge: Do you know the working mechanism of magnetorheological polishing fluid?
2023-06-28
Through yesterday's article, we learned about the importance of magneto rheological polishing fluid in magneto rheological polishing. Today, we will learn about its working mechanism.Magnetorheological polishing fluid is a complex multiphase magnetic colloid formed by the uniform dispersion of micron sized magnetic sensitive particles (such as carbonyl iron powder) and nano sized polishing powder particles in the base liquid. Usually, additives are added to the base solution to improve the performance of the suspension, including surfactants that enhance the magnetorheological effect and dispersants that prevent particle aggregation.
Four major characteristics of magnetorheological polishing that differ from traditional optical precision polishing methods
2023-06-28
If you have read our previous article, it is easy to know:The concept of magnetorheological fluid was first proposed by Rabinow J in 1948, which is a suspension composed of magnetic particles, base fluid, and stabilizers.The magnetorheological effect refers to the phenomenon where a magnetorheological fluid is a flowable liquid without the application of a magnetic field, and its rheological properties undergo a sharp transformation under the action of a strong magnetic field, exhibiting properties similar to those of a solid. When the magnetic field is removed, its flow characteristics are restored.
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