5results about How to "Realize self-healing function" patented technology

The application discloses a self-repairing magnetic lubricating composition and a preparation method thereof, and relates to the technical field of lubricating oil.The application prepares imidazole ionic liquid containing a double bond in a side chain by subjecting diethyl allylphosphonate and 1-(3-aminopropyl)imidazole to a quaternary amination reaction, and then subjecting the imidazole ionic liquid to reaction with 3-mercapto propionic acid to form ionic liquid containing amino and carboxyl; the ionic liquid can form an amide crosslinking between adjacent molecules in high-temperature friction, the ionic liquid monomer is converted into a polymer network, cracks or pits are filled, and the self-repairing function is realized; then mesoporous ferroferric oxide is selected as a magnetic response component, the ionic liquid containing amino and carboxyl is pre-adsorbed, a magnetic field is applied, the magnetic response component is induced to be directionally enriched to a contact area of a friction pair and a micro-damage site, the ionic liquid is released at a fixed point, and through compounding of the magnetic response component and a polar anchoring monomer, the oil film stability is improved by using the synergistic effect of magnetic induction and polar adsorption.

The application relates to a mill feeding sealing device and a mounting and dismounting method, and belongs to the technical field of mills, which comprises a supporting table, one side of the top of the supporting table is fixedly provided with an output motor, and the other side of the top surface of the supporting table is provided with a crusher, the crusher comprises a discharging chute plate fixedly arranged on one side of the top of the supporting table, opposite sides of the surface of the discharging chute plate are rotatably provided with power shafts through connecting shafts, one side of the top of the discharging chute plate is rotatably provided with a feeding chute plate, and a sealing assembly is arranged between the discharging chute plate and the feeding chute plate, the sealing assembly comprises two sealing rings arranged between the discharging chute plate and the feeding chute plate, the sealing ring structure is filled with substances inside, additional internal supporting force is generated when the sealing ring structure is extruded, the sealing ring and a matching surface can be kept in stable contact, the sealing reliability of a mill feeding position is remarkably improved, and material leakage is effectively prevented.

The application discloses a kind of nano graphene lubricating oil and preparation method thereof, it is related to lubricating oil technical field.The application first with modified zirconium-titanium composite particles as catalyst to catalytically synthesize base oil, improve heat resistance effect;Then under the assistance of microwave, graphene is stripped to improve the dispersibility of graphene in lubricating oil, simultaneously with the surface of modified zirconium-titanium particles form hydrogen bond network, reduce fatigue wear, prolong service life, on this basis, particle and graphene produce electrochemistry deposition in the process of friction, reach the effect of self-repairing.Modified zirconium-titanium composite particles are first by precursor sol injection pre-cooled liquid nitrogen copper mould, quick freezing, vacuum sublimation drying removes ice crystal, forms snowflake-like hierarchical porous structure, improves lubricating effect;Then low-temperature annealing, form Zr-O-Ti mixed oxide framework, effectively inhibit pore collapse, prolong service life;Again through surface hydroxyl and capillary action, adsorb ionic liquid to form coating, enhance lubricating effect.

The application discloses a kind of fiber metal laminates with microcapsule self-repairing layer and its preparation method, including metal matrix layer, interface reinforcement film layer and fiber prepreg layer, the fiber metal laminates also include microcapsule coating, and the layer plate adopts the structure of metal matrix layer / interface reinforcement film layer / microcapsule coating / fiber prepreg layer / microcapsule coating / interface reinforcement film layer / metal matrix layer for alternative lay-up.It is proposed that the new lay-up structure of fiber metal laminates is coated with a layer of microcapsule coating containing microcapsules between the interface reinforcement layer and the fiber prepreg.The microcapsule coating contains a suitable mass fraction of microcapsules, wherein the microcapsules are well mixed in the microcapsule coating and do not penetrate into adjacent layers, can produce self-healing effect, realize self-repairing function, and improve the shear strength and interlaminar adhesion of the fiber metal laminates.

The application discloses a reference voltage source time drift adaptive compensation method and system based on multiple physical fields, and belongs to the microelectronic technical field. In view of the fact that the existing reference voltage source compensation scheme cannot effectively inhibit long-term operation time drift, only considers a single temperature drift factor and needs offline calibration, the scheme collects chip junction temperature, power supply voltage and multiple physical field parameters of packaging mechanical stress in real time, constructs a time sequence characteristic vector in combination with cumulative operation time, inputs a trained neural network model to predict a voltage drift amount, and generates a control signal to dynamically adjust a DAC trimming array to realize adaptive compensation. The application can effectively improve long-term operation stability of the reference voltage source, reduce equipment operation and maintenance cost, has small hardware cost and is easy to popularize and apply.