67 results about "Alclad" patented technology

The utility model relates to the field of plate processing equipment, and discloses a novel aluminized zinc alloy plate roller coating device which comprises a conveying structure, a roller coating assembly and a scraper structure, base tables are arranged on the two sides of the bottom of the conveying structure, supporting plates are arranged on the two sides of the tops of the base tables, and connecting columns are arranged on the two sides of the supporting plates. A conveying belt is installed in the connecting column body, one side of the conveying belt is connected with the conveying belt, and a back supporting roller is arranged in the middle of the conveying belt; side plates are arranged on the two sides of the outer portion of the roller coating assembly, roller bodies are arranged in the side plates, control handles are arranged outside the side plates and connected with the roller bodies, a support plate is arranged at the tops of the side plates, and a motor is arranged at the top of the support plate and communicated with the roller bodies. The scraper blade structure comprises a connecting plate, a supporting column, a telescopic spring and a scraper blade. According to the utility model, the adjusting roller is arranged to freely adjust the coating thickness of a plate, and the scraper structure is arranged to perform a scraping function, so that the coating is smooth.

The application relates to the technical field of image recognition, and discloses a method for detecting explosion welding defects of plated aluminum-zinc-silicon coil plates based on X-ray images. The method acquires an X-ray image sequence of an explosion welding interface of a plated aluminum-zinc-silicon coil plate and inputs the sequence into a physical constraint feature decoupling network, the network comprising a feature extraction backbone, a physical attenuation constraint branch and a defect identification branch. The physical attenuation constraint branch calculates a physical reconstruction loss of a multi-scale space feature map according to an X-ray mass attenuation coefficient matrix of the plated aluminum-zinc-silicon alloy, and reversely propagates the loss to the feature extraction backbone as a regularization term, so as to forcibly separate speckle background features conforming to the physical attenuation law. The application makes the feature decoupling comply with the physical attenuation law, eliminates the interference of speckle artifacts on micro-defect judgment, and avoids missed detection caused by micro-defects being covered by speckles.

This invention discloses an ultra-high strength hydroformed structural component and its manufacturing process, comprising the following steps: First, an aluminum-silicon coated aluminized hot-formed steel pipe is selected to form a welded pipe, and the substrate of the structural component is obtained by hydroforming; Second, a pretreatment system is established for the substrate before heating, and the substrate from step one is transferred into the solution in the pretreatment system and immersed; Third, the pretreated substrate is placed in a heating furnace at - degrees Celsius, so that the solution forms carbides under high temperature, and the substrate is removed after being heated to the set temperature; Fourth, the substrate from step three is placed in a mold with a water flow cooling function, and the upper and lower molds are pressed together to quickly cool and quench the pipe. This invention relates to the field of industrial production technology. This invention can form carbides in the substrate under high temperature through immersion in the solution, without forming oxides, which greatly improves the structural strength of the structural component.

A manufacturing method of an aluminum-coated steel sheet includes preparing aluminum (Al) scraps, manufacturing an ingot using the Al scraps, coating a base steel using the ingot, and processing a coated steel sheet. An aluminum-coated steel sheet includes a base steel, and a coating layer formed on the base steel, and the coating layer may contain 8.9 to 9.6 wt % of Si, 1.3 wt % or lower of Fe, 0.7 wt % or lower of Mg, the remainder Al, and other unavoidable impurities.

The application provides a hot-dip aluminum-silicon 980MPa Q&P steel cold forming steel plate and a preparation method thereof, and the component of the hot-dip aluminum-silicon base plate is as follows in percentage by mass: C: 0.18% to 0.24%, Si: 1.4% to 2.8%, Mn: 1.9% to 2.5%, P: less than or equal to 0.02%, S: less than or equal to 0.005%, Ti: 0.01 to 0.04%, Nb: less than or equal to 0.04%, Al: less than or equal to 0.005%, and the balance of Fe and inevitable impurities. The preparation method comprises a series of processes such as smelting, hot rolling, pickling, cold rolling, continuous annealing hot-dip aluminum-silicon, and finishing, and the hot-dip aluminum-silicon is ingeniously carried out in the slow cooling stage, perfectly matches the heat treatment system, breaks the limitation that the hot-dip galvanized steel plate must be over-aged at high temperature for a short time, and can make the bainite transformation sufficient; the hot-dip aluminum-silicon 980MPa Q&P steel produced by the application has excellent strength and plasticity.

The invention relates to a production method of a high-corrosion-resistance cold-rolled hot-dip aluminum-zinc-plated steel plate. The production method comprises the following steps: regulating and controlling components of a base plate in a steelmaking process; regulating and controlling the zinc pot process; regulating and controlling a cooling process after plating; and regulating and controlling a post-treatment process and the like. According to the production method of the high-corrosion-resistance cold-rolled hot-dip aluminum-zinc-plated steel plate, the corrosion resistance of the product is effectively improved by comprehensively improving the three aspects of the base plate, the plating layer and the film layer, and compared with an aluminum-zinc-plated building material product produced through a traditional technology, the corrosion resistance of the high-corrosion-resistance cold-rolled hot-dip aluminum-zinc-plated steel plate is improved by 25% or above.

The application provides an aluminized silicon steel and a preparation method thereof, a pre-coated steel and a production process of a hot-formed component. The aluminized silicon steel comprises a pre-coating layer arranged on a steel base. The pre-coating layer comprises an intermediate layer and an aluminized silicon coating layer. The nominal thickness of the aluminized silicon coating layer is 10-33 microns. The aluminized silicon coating layer contains Al-Si phases with a proportion of 5-40% and Al-Si-Fe phases with a proportion of 0.1-15%. The dispersion index of the Al-Si phases and the Al-Si-Fe phases in the aluminized silicon coating layer is greater than or equal to 0.05. In the aluminized silicon steel, the proportions of the Al-Si phases and the Al-Si-Fe phases in the aluminized silicon coating layer are appropriate, and the dispersion index is appropriate, which is helpful to the production of a hot-formed component with small grains. The hot-formed component has a double-layer Al-rich intermetallic compound layer, thereby improving the coating toughness and environmental tolerance of the hot-formed component, reducing the crack sensitivity, and improving the hydrogen brittleness resistance and corrosion resistance of the hot-formed component.

The application provides 800MPa-grade hot-dip aluminized silicon high-hole-expanding multiphase steel and a preparation method thereof. The composition of the steel plate is as follows in terms of percentage by weight: C: 0.06% to 0.09%, Si: 0.1% to 0.4%, Mn: 1.8% to 2.5%, Cr: 0.1% to 0.4%, Mo: 0.05% to 0.3%, Ti: 0.01% to 0.03%, Nb: 0.01% to 0.03%, P: less than or equal to 0.02%, S: less than or equal to 0.005%, 1 / 3: less than or equal to Mo / Cr: less than or equal to 2 / 3, 2.2%: less than or equal to Mn+Cr: less than or equal to 2.8%, and the balance of Fe and inevitable impurities. The chemical composition of the coating includes the following components in terms of percentage by weight: Al content: 88% to 93%, and Si content: 7% to 12%. The production method of the steel plate comprises a series of processes such as smelting, hot rolling, pickling, cold rolling, continuous annealing and aluminized silicon plating, and the structure of the steel plate comprises ferrite, bainite and martensite. In terms of the planar area method, the ferrite content is 18% to 35%, the bainite content is 35% to 62%, and the martensite content is 10% to 40%. The mechanical properties of the steel plate of the application are as follows: tensile strength is more than 800MPa, yield strength is 620MPa to 750MPa, elongation is greater than 14%, and the hole-expanding value is more than 50%, so that the steel plate has good strength and plasticity and formability, and meanwhile, the hole-expanding performance is excellent.

The invention particularly relates to a polyimide flexible composite film for spaceflight and a preparation method of the polyimide flexible composite film. The polyimide flexible composite film for spaceflight comprises an optical function layer, a supporting layer, a bonding layer and a reinforcing layer which are sequentially stacked. According to the invention, through the design and preparation process of the four-layer structure composite film, the product weight reduction is realized, the weight is reduced compared with the existing product, and the launch cost of a spacecraft can be reduced; the heat control performance is good, the solar absorption ratio of an aluminized surface is low, the hemispherical emissivity is low, the alpha s / epsilon h ratio is small, and the heat control characteristic is superior to that of a traditional aluminized film; an ultra-thin structure design is adopted, and the thickness is smaller than that of existing similar products; by introducing the silicon dioxide protective layer, the tolerance of the aluminum layer to atomic oxygen is improved, the service life of the material in a space environment is prolonged, the optical performance change is small after a thermal cycle test, and the material has good environmental adaptability; meanwhile, certain electromagnetic shielding capability is achieved, and the aerospace application requirement can be met.

A cooling device and a cooling method for hot-dip plated strip steel, relate to the technical field of hot-dip plating, the cooling device comprises a main cooling air box and an auxiliary cooling air box, the auxiliary cooling air box is located between the main cooling air box and a coating thickness control device, and the auxiliary cooling air box is configured to output a low-pressure airflow to the surface of the strip steel to pre-cool the surface coating of the strip steel. The auxiliary cooling air box uses a low-pressure airflow, thereby avoiding disturbance to the un-solidified coating. The coating after pre-cooling has been preliminarily solidified, and does not need to be naturally cooled for a long distance, thereby not only shortening the setting distance of the main cooling air box, but also reducing the specification requirement of the main cooling air box, thereby reducing the overall land occupation of the cooling system from two aspects, and improving the efficiency and safety of the production process. Meanwhile, the auxiliary air box has low wind speed and small air pressure, can preliminarily cool the aluminum liquid, can rapidly cool the strip steel to below the melting point of the aluminum liquid, realizes refinement of aluminum flowers, and improves the corrosion resistance and surface quality of the hot-dip aluminum layer.

The invention belongs to the technical field of metal material surface engineering, and discloses a matching pair composed of a coated steel plate and a coated fastener and a manufacturing method of the matching pair, and by controlling components, processes and matching gaps of a base body and a plating layer of each matching pair assembly, the coated steel plate and the coated fastener are enabled to have good corrosion resistance on the basis that the coated steel plate and the coated fastener have good corrosion resistance. And the mutual galvanic corrosion tendency is reduced to the minimum, a good connection corrosion resisting effect is achieved, and the aluminum-plated galvanized sheet is particularly suitable for occasions where a connection assembly needs to be formed by a galvanized sheet and an aluminum-plated fastener. The invention also provides a non-transitory readable recording medium storing the program of the method and a system comprising the medium, and the program can be called through a processing circuit to execute the method.

A joint structure according to one embodiment of the present disclosure comprises a first press-formed member and a second press-formed member that are made of steel, a welding bead that joins the first press-formed member and the second press-formed member, and a heat affected zone that is present around the welding bead, wherein one or both of the first press-formed member and the second press-formed member have an aluminum-based plating layer on at least one surface thereof, and the average aluminum concentration of the welding bead is 1.0 mass% or less. Preferably, the joint structure has a plating removed portion that extends along the welding bead, between the welding bead and the aluminum-based plating layer.

The invention discloses an aluminum-silicon plating pot skirt edge deslagging device and a using method, the deslagging device comprises an aluminum-silicon plating pot and a skirt edge arranged at the aluminum-silicon plating pot, and a slag blowing assembly and a deslagging assembly are correspondingly arranged on the two sides of the skirt edge respectively; each slag blowing assembly comprises a slag blowing pipe penetrating through the skirt edge, a nozzle is arranged on the front side, located in the skirt edge of the aluminum-silicon pot, of the slag blowing pipe, and the spraying direction of the nozzle is obliquely downward towards one side of the slag discharging assembly; the slag discharging assembly comprises a slag pumping pipeline extending into the skirt edge from the lower portion of the skirt edge, and the bottom ends, located on the outer side and the inner side of the skirt edge, of the slag pumping pipeline are connected with a slag pumping pump and a slag suction opening correspondingly. According to the slag discharging device for the skirt edge of the aluminum-silicon plating pot and the using method, when the continuous aluminum-silicon plating line aluminum-silicon pot is normally produced, a set of slag discharging device is designed to extend into the skirt edge, air is blown towards the liquid level through the nozzle, aluminum slag is blown from one side of the skirt edge to the other side of the skirt edge, and then the aluminum slag is pumped out of the skirt edge through the slag pumping pump; therefore, the problem of more aluminum slag in a strip steel operation area is solved.

The invention provides an evaporation method and application thereof, and relates to the technical field of vacuum evaporation, the evaporation method comprises the following steps: preheating an evaporation boat, a tungsten mesh and a solid aluminum source arranged on the tungsten mesh; pre-melting treatment is conducted, the solid aluminum source is melted, and molten aluminum covering part of the surface of the tungsten net is formed; pre-evaporation treatment is conducted, the molten aluminum is evaporated, and an initial infiltration area is formed; in the primary wire feeding stage, aluminum wires are fed at the first wire feeding speed, molten aluminum obtained after the aluminum wires are molten is spread in the initial infiltration area till the tungsten mesh is completely infiltrated by the molten aluminum, and at least part of the tungsten mesh is consumed; in the secondary wire feeding stage, aluminum wires are fed at the second wire feeding speed, and the tungsten net is completely consumed; and an evaporation stage: evaporating an aluminum metal layer on the base film. According to the evaporation method provided by the invention, the spreading uniformity and evaporation stability of the molten aluminum are improved, and the technical problems of narrow liquid level, frequent splashing and non-uniform coating thickness caused by non-uniform heat distribution in the traditional process are solved.

The utility model relates to the field of boats for aluminum plating, in particular to a boat for vacuum thermal evaporation aluminum plating. Comprising a metal base body, the upper surface of the metal base body is fixedly connected with upper surface ceramic, the lower surface of the metal base body is fixedly connected with lower surface ceramic, the sides, away from each other, of the upper surface ceramic and the lower surface ceramic are each provided with a groove, and the metal base body is divided into a middle layer and a ceramic surface layer; the metal matrix middle layer is made of high-temperature-resistant metal, the metal matrix middle layer is specifically made of tungsten, molybdenum and tantalum alloy materials (or two of the tungsten, molybdenum and tantalum alloy materials and a single metal material), the areas, used for connection, of the two ends of the metal matrix middle layer are thick, and the area in the middle of the metal matrix middle layer is thin. The vacuum thermal evaporation aluminum plating boat provided by the utility model has the advantages of good corrosion resistance, good heat transfer and good contact, and can be used for a long time.

The application belongs to the technical field of metal composite conductor materials, and discloses an aluminum-clad invar steel strand with high interfacial bonding strength and a preparation method thereof. The aluminum-clad invar steel strand comprises a strand structure formed by twisting a plurality of aluminum-clad invar steel single wires. The aluminum-clad invar steel single wire comprises, from inside to outside, an invar steel core, a zinc alloy transition layer, an aluminum layer and a composite corrosion-resistant layer. The zinc alloy transition layer contains zinc, aluminum and trace rare earth elements, which can improve the interfacial compatibility between the invar steel core and the aluminum layer and increase the interfacial bonding strength. The composite corrosion-resistant layer is composed of an inner anodic oxidation layer and an outer graphene reinforced layer, which can improve the corrosion resistance and service stability without significantly affecting the interfacial bonding performance. The preparation method comprises invar steel core preparation, zinc alloy transition layer hot-dip plating, aluminum layer continuous extrusion coating, composite corrosion-resistant layer construction and twisting into a strand.

A method of manufacturing a steel sheet plated with an Al—Fe alloy for hot forming. The method includes: aluminum-plating and coiling a base steel sheet to obtain an aluminum-plated steel sheet, where an amount of the aluminum-plating is 30 to 200 g / m2 based on one surface of the base steel sheet, and tension in the coiling is 0.5 to 5 kg / mm2; after the aluminum-plating, performing cooling to 250° C. at a rate of 20° C. / sec or less; annealing the aluminum-plated steel sheet to obtain the steel sheet plated with the Al—Fe alloy; and cooling the steel sheet plated with the Al—Fe alloy. The annealing is carried out for 30 minutes to 50 hours within a heating temperature range of 550 to 750° C. in a batch annealing furnace.

The application provides a hot-dip aluminized silicon 1470MPa grade Q&P steel cold forming steel plate, and the main components of the base plate of the hot-dip aluminized silicon are as follows in percentage by mass: C: 0.18% to 0.28%, Si: 1.0% to 2.0%, Mn: 2.4% to 3.2%, P: 0.02% or less, S: 0.005% or less, Ti: 0.01% to 0.04%, B: 0.002% to 0.005%, and one or more of Cr, Mo, Cu and Nb can be additionally added, wherein Cr: 0.1% to 0.4%, Mo: 0.1% to 0.4%, Cu: 0.2% to 0.6%, Nb: 0.01% to 0.04%, and the balance is Fe and inevitable impurities. The hot-dip aluminized silicon is ingeniously carried out in the slow cooling stage, is perfectly matched with the heat treatment system, breaks the limitation that the hot-dip galvanized steel plate must be over-aged at high temperature for a short time, can make the bainite transformation sufficient, and is beneficial to the mechanical properties of the steel plate; the hot-dip aluminized silicon 1470MPa grade Q&P steel produced by the application has super-high strength and good plasticity at the same time.

This aluminum-plated steel sheet for hot stamping has a steel sheet, an aluminum-plated layer located on the surface of the steel sheet, and a coating located on the aluminum-plated layer, in which the aluminum-plated layer has an Al content of 60 mass % or more, a thickness t1 of 10 to 60 μm, an area ratio of amorphous matter in the coating of 90% or more, the coating containing one or more elements selected from the group A elements consisting of Ce, Nb, Mo, W, and V, and a thickness t2 of 0.005 to 5.5 μm.

The application discloses a kind of nanocomposite aluminum base alloy for hot-dip aluminizing and hot-dip aluminizing method, and it relates to hot-dip plating technical field, it uses yttrium (Y) and cerium (Ce) to form composite rare earth modifier, synergistic nanocarbide strengthening phase, and compatibility necessary silicon (Si), iron (Fe), manganese (Mn) element, form a set of complete aluminum base alloy formula technical means, combined with supporting in-situ reaction synthesis and ultrasonic auxiliary preparation process, reached in significantly refining interface reaction layer, while greatly improving the effect of coating hardness, toughness, salt fog corrosion resistance and high temperature oxidation resistance comprehensive performance, successfully solved the key technical problems of existing hot-dip aluminizing technology nanometer reinforcing body dispersion difficulty, interface bonding force is weak, and traditional modification element function single, difficult to synergistically improve the key technical problems of coating strength and toughness and durability.

The present application relates to a kind of DH steel plate of 1200MPa grade of aluminum silicon coating and its manufacturing method, DH steel plate includes steel base plate and coating;The chemical composition of steel base plate is C:0.12%~0.23%, Si:0.2%~0.9%, Mn:1.8%~2.8%, Cr:0.2%~0.6%, Mo:0.05%~0.4%, P≤0.02%, S≤0.005%, Ti≤0.03%, Nb≤0.03%, the balance is Fe and impurity.It includes smelting, hot rolling, pickling, cold rolling, continuous annealing, aluminum silicon plating and finishing sequence in manufacturing method.The finished steel plate has excellent mechanical properties and surface quality by low-cost alloy design combined with reasonable process control;In the slow cooling stage, hot-dip aluminum silicon is carried out, which is matched with heat treatment system, breaks through the limitation that hot-dip galvanized steel plate must be high-temperature short-time overaging, makes bainite transformation sufficient, effectively improves the plasticity of DH steel.

The application provides a 600MPa-grade hot-dip aluminized silicon high-hole-expanding multiphase steel and a preparation method thereof. The steel plate is composed of the following components in percentage by weight: C: 0.08%-0.12%, Si: 1.0%-2.0%, Mn: 0.2%-0.5%, Cr: 0.1-0.4%, Mo: 0.05-0.2%, P: less than or equal to 0.02%, S: less than or equal to 0.005%, Ti: 0.01-0.04%, Nb: 0.01-0.03%, Mn+Cr: 0.5%-0.8%, Mo / Cr: 1 / 3-2 / 3, and the balance of Fe and inevitable impurities. The aluminized silicon liquid for the steel plate is composed of the following components: Al: 88-93%, and Si: 7-12%. The production method of the steel plate comprises the following steps: smelting, hot rolling, pickling, cold rolling, continuous annealing, aluminizing, and finishing. The final performance of the 600MPa-grade hot-dip aluminized silicon high-hole-expanding multiphase steel plate is as follows: tensile strength: more than 600MPa, yield strength: 400-550MPa, elongation: greater than 20%, and hole-expanding value: more than 90%. The microstructure of the steel plate is composed of ferrite, bainite, martensite and pearlite, and the content of each component is as follows in percentage by area: ferrite: 35%-61%, bainite: 20%-35%, pearlite: 6%-12%, and martensite: 12%-25%. The steel plate realizes good strength-plasticity and formability, and has excellent hole-expanding performance.

The present disclosure relates to an alloy composition. The alloy composition provides enhanced wear resistance, heat resistance, and corrosion resistance. The alloy composition provides excellent corrosion resistance in terms of Pitting Resistance Equivalent Number (PREN) values and Intergranular Corrosion B (IGC B) values. The alloy composition is used to make sinker rolls, stabilizer rolls, deflector rolls, and wiper rolls in cold roll galvanizing and galvalumes.

The application provides an aluminized silicon steel and a preparation method thereof, a pre-coated steel and a production process of a hot-formed component. The aluminized silicon steel comprises a pre-coating layer arranged on a steel base. The pre-coating layer comprises an intermediate layer and an aluminized silicon coating layer. The nominal thickness of the aluminized silicon coating layer is 10-33 microns. The aluminized silicon coating layer contains Al-Si phases with a proportion of 5-40% and Al-Si-Fe phases with a proportion of 0.1-15%. The dispersion index of the Al-Si phases and the Al-Si-Fe phases in the aluminized silicon coating layer is greater than or equal to 0.05. In the aluminized silicon steel, the proportions of the Al-Si phases and the Al-Si-Fe phases in the aluminized silicon coating layer are appropriate, and the dispersion index is appropriate, which is helpful to the production of a hot-formed component with small grains. The hot-formed component has a double-layer Al-rich intermetallic compound layer, thereby improving the coating toughness and environmental tolerance of the hot-formed component, reducing the crack sensitivity, and improving the hydrogen brittleness resistance and corrosion resistance of the hot-formed component.

The utility model belongs to packaging material technical field relates to a kind of based on aluminized composite film of polylactic acid interlayer, and the aluminized composite film is composed of the aluminium foil, polylactic acid interlayer and polymer film of laminated arrangement;Among them, the polylactic acid interlayer is completely degraded into carbon dioxide and water in recycling process.The utility model introduces the polylactic acid interlayer of easy degradation between aluminium foil and polymer film, and it is completely degraded into carbon dioxide and water in recycling process, and the separation difficulty and recovery cost of aluminium foil and polymer film are reduced sufficiently.

According to the low-anisotropy 220MPa-grade hot-dip aluminum-silicon phosphorus-containing high-strength steel for the automobile and the preparation method of the low-anisotropy 220MPa-grade hot-dip aluminum-silicon phosphorus-containing high-strength steel, the hot-dip aluminum-silicon high-strength steel for the automobile covering part is prepared through low-cost component design and ingenious combination of heat treatment and the hot-dip aluminum-silicon technology, the yield strength of the high-strength steel ranges from 220MPa to 260MPa, the tensile strength is larger than or equal to 360MPa, the percentage elongation after fracture is larger than or equal to 41%, and the elongation after fracture is larger than or equal to 41%. The plastic strain ratio r value is larger than or equal to 2.1, the anisotropic special-shaped index delta r value is smaller than or equal to 0.3, and the work hardening index n value is larger than or equal to 0.21; and within 6 months after the steel plate is manufactured, the increment of the yield strength is smaller than or equal to 8 MPa, the reduction of the percentage elongation after fracture is smaller than or equal to 1%, the structure comprises ferrite, a TiN precipitated phase, a VC precipitated phase and a Cu-rich phase, and the steel for the high-strength automobile covering part has excellent forming performance, high surface quality, no timeliness and a small anisotropy value.

The utility model relates to high melting point alloy steel wire technical field, and disclose a kind of high melting point alloy steel wire with protective layer, including outer layer component, protection component and body component, wherein protection component is installed in the inside of outer layer component, body component is installed in the inside of protection component, be equipped with protection component, it is favorable to wear layer to be made of nitride, can significantly improve the hardness of steel wire surface, to effectively resist abrasion, corrosion-resistant layer and aluminium-zinc-magnesium plating layer are made of chromium alloy, form multilayer protection system, can keep stable under high temperature environment, will not easily melt or decompose, to extend the service life of device;Equipped with outer layer component, it is favorable to rubber layer have good elasticity and flexibility, can adapt to various deformation and vibration, ensure and device internal material closely adhere to, and have higher wear resistance, chip flute is favorable to the chip generated due to abrasion and conducts flow, reduce the probability of chip jam.

The application belongs to the field of new materials, and discloses a material generating A-site solid solution MAB phase and a preparation method and application thereof, wherein the A-site solid solution MAB phase is a Cr-(Al,Zn)-B phase. Fe-Cr-B cast steel is subjected to hot-dip aluminizing, and the composition of the aluminum liquid is Al-8.9Si alloy, and then the Fe-Cr-B cast steel containing the Al-Si alloy plating layer is placed in ZnCl2 molten salt for corrosion. The Cr-(Al,Zn)-B MAB phase containing the A-site solid solution can be generated through a simple process, and then the corrosion of the chloride molten salt is blocked.