15 results about "Corrosion resistant alloy" patented technology

The utility model discloses PE water supply pipe of corrosion -resistant alloy layer's lining, relates to water supply pipe technical field, and its technical key points include PE main body structure layer, corrosion -resistant alloy lining layer, reinforcing layer and outer protective layer, corrosion -resistant alloy lining layer sets up in the inside of PE main body structure layer, reinforcing layer sets up in the outside of PE main body structure layer, outer protective layer sets up in the outside of reinforcing layer, reinforcing layer includes pressure -resistant buffer layer and tough layer, pressure -resistant buffer layer sets up in the outside of PE main body structure layer, and tough layer sets up between pressure -resistant buffer layer and outer protective layer. Technical effect is through setting up corrosion -resistant alloy lining layer, can play the role of resistance medium corrosion, prevents the corrosive component in conveying medium from causing the erosion to pipeline, ensures water quality and is not polluted, prolongs the service life of pipeline simultaneously.

This invention belongs to the technical field of corrosion-resistant alloy materials, specifically disclosing a refractory high-entropy alloy resistant to liquid lead-bismuth corrosion, a cladding material, and its preparation method. The refractory high-entropy alloy resistant to liquid lead-bismuth corrosion is composed of the following chemical elements: Nb 18–27 at.%; Mo 18–27 at.%; Ta 18–27 at.%; W 18–27 at.%; Cr 10–25 at.%; Si: 0–9 at.%; wherein the Si content is not zero. The cladding material is prepared by multi-target magnetron sputtering to prepare a refractory high-entropy alloy coating resistant to liquid lead-bismuth corrosion on the surface of a substrate. The doping of Cr and a small amount of Si in the refractory high-entropy alloy resistant to liquid lead-bismuth corrosion of this invention promotes the formation of a protective continuous Cr₂O₃ layer, preventing direct contact between the liquid lead-bismuth alloy and the coating material, thereby significantly improving the coating's resistance to liquid lead-bismuth alloy corrosion.

The utility model belongs to the technical field of electromagnetic heater, concretely is a kind of heat and corrosion resistant alloy electromagnetic heater, including oscillation circuit, installation shell and heating mechanism, oscillation circuit includes field effect transistor, inductance coil, power supply, condenser and copper wire, the one end of copper wire far from field effect transistor is fixedly connected with interface, heating mechanism includes heat insulation shell and heating coil, heat insulation shell is fixedly connected with heat -resistant tube in, corrosion -resistant coating is fixedly arranged in heat -resistant tube, heating coil helical sleeve is connected on the outer wall of heat -resistant tube.The utility model can carry out overhaul replacement to corresponding spare part when the utility model appears fault under the mutual cooperation of interface, support column, heating mechanism, locking plate, pressing plate, slide and spring;In addition, heat -resistant tube and corrosion -resistant coating sprayed on the inner wall of pipe can improve the heat and corrosion resistance of the utility model.

This invention is a fluid control valve that can be used in a semiconductor manufacturing process, while keeping a structure of the fluid control valve simple and reducing its dead volume. The fluid control valve comprises a flow channel block 2 on which an internal flow channel 2R is formed, a valve seat member 5 that has a valve seat surface 5a, and a valve member 6 that has a seating surface 6a that seats on the valve seat surface 5a and that is provided with a permanent magnet 60 sealed by a corrosion-resistant alloy, and an actuator 7 that drives the valve member 6 by acting on the permanent magnet 60.

The utility model discloses a kind of surfacing equipment for thick wall metal high-temperature corrosion-resistant alloy, welding machine left side is installed and rotates motor, rotating motor left side is installed with rotating rod, rotating rod left side is installed with support arm, the adjusting welding torch of support arm left side top is installed, and the adjusting polisher of support arm left side bottom is installed, welding machine bottom left side is installed with extension plate, the slide rail of extension plate top is opened, the left and right two supports of slide rail top are installed, the pipeline to be processed is installed on the top of both sides supports, the pipeline to be processed is moved on the slide rail again through bottom support, so that pipeline inner wall is contacted with adjusting welding torch and adjusting polisher and is processed. The utility model is reasonably designed, when facing tubular inner wall surfacing, it can realize welding and polishing simultaneously, remove the oxide film on the surface of weld, increase the overall strength and corrosion resistance of weld layer.

This invention relates to the field of environmental engineering technology and discloses a multi-field coupled in-situ monitoring experimental device for shale carbon dioxide-water-rock reaction. The device includes a high-temperature, high-pressure reactor assembly, which consists of a reactor body made of a high-temperature, high-pressure, and corrosion-resistant alloy, a triaxial core holder disposed inside the reactor body, and a replaceable liner. The reactor body is equipped with a fluid inlet, a fluid outlet, temperature and pressure sensor interfaces, a CT window for X-ray transmission, and an optical window for Raman spectroscopy detection. This invention integrates X-ray CT, Raman spectroscopy, acoustic emission-strain, and online GC-MS / IC analysis within a single high-temperature, high-pressure triaxial reactor, enabling the simultaneous acquisition of multi-dimensional information such as the internal pore and fracture structure, mineral composition, fluid composition, and mechanical response of the core, thus achieving true multi-field coupled in-situ monitoring.

The utility model discloses a kind of spraying devices for high corrosion-resistant alloy pipe processing, it is related to metal pipe processing technical field, its technical key points: including workbench, workbench is provided with spraying mechanism by fixed frame, conveying mechanism is provided on workbench, conveying mechanism includes translation component, the movable part of translation component is connected with driving assembly, the output shaft of driving assembly is fixedly connected with electric clamp jaw, the side of translation component is sequentially provided with scrubbing mechanism and air injection mechanism along the direction of alloy pipe's travel;When needing to spray, electric clamp jaw grabs alloy pipe one end, translation component drives alloy pipe to move and driving assembly drives alloy pipe to rotate, in this process, scrubbing mechanism is cleaned to alloy pipe wall and air injection mechanism is high-pressure air jet to alloy pipe wall;The utility model can clean alloy pipe outer wall, guarantee coating adhesion.

This invention provides an integrated passivation process for corrosion-resistant alloy bends, encompassing both internal and external surfaces. The invention relates to the field of metal surface treatment technology and includes the following steps: S1, placing the bend to be treated on the upper ends of two support frames, controlling the bent section of the bend to be in a low position, and performing localized spray passivation treatment on the inner and outer sides of both ends of the bend using an end passivation device; S2, conveying the bend to be treated to a rotating processing area, temporarily sealing both sides of the bend using a rotating sealing device, and then controlling the directional rotation of the bend to achieve passivation treatment of the remaining area. This equipment and process are suitable for passivating various types and sizes of bends, with high passivation efficiency and good passivation effect.

This invention relates to the interdisciplinary field of metallurgical engineering technology, metal material forming and processing, and surface anti-corrosion chemical treatment, specifically to a corrosion-resistant alloy material suitable for photovoltaic brackets and its preparation method. It aims to solve the problem of accelerated corrosion after coating damage. The alloy material of this invention comprises C, Mn, Al, Cu, Sn, Sb, Ti, V, and RE, with the balance being Fe. The preparation method involves converter smelting. After refining the molten steel from the converter, C, Mn, Al, and V are added, followed by Cu, Sn, Sb, and Ti for alloying, and then a composite rare earth alloy is added. The billet is then cast continuously to obtain a continuously cast billet; followed by controlled rolling and pickling; then grain boundary engineering pretreatment and cooling, coiling; finally, cleaning, coating treatment, and drying. This invention improves the corrosion resistance and service life of the substrate through the synergistic effect of multi-element micro-alloying, the unintentional addition of Si, Cr, Ni, grain boundary engineering treatment, and surface chemical conversion film.

This invention provides a corrosion-resistant alloy for waste incineration and its preparation method. The corrosion-resistant alloy for waste incineration prepared by the method of this invention exhibits excellent corrosion resistance. Furthermore, the method incorporates a machine learning algorithm to construct a predictive model of the alloy's high-temperature corrosion behavior, enabling precise analysis and prediction of the alloy's high-temperature corrosion performance. Based on the prediction results, the alloy composition ratio and preparation process parameters are optimized, significantly improving the efficiency and accuracy of alloy research and design.