在线一本码道高清

Metal Materials; Metallurgy; Casting; Grinding; Manufacturing and Processing of Polishing Equipment, Application Technology
  • Manufacturing method for extending service life of grounding strip in PECVD process chamber
    Examples of the present disclosure generally relate to an apparatus and method for extending the life of a ground strip in a substrate processing chamber, such as a plasma enhanced chemical vapor deposition (pecvd) chamber. Pecvd is used to process substrates such as solar substrates, display substrates, and semiconductor substrates. Pecvd generally includes introducing a precursor gas into a vacuum chamber in which a substrate is placed on a substrate support. Precursor gas pass ...
  • Manufacturing method of tuyere branch pipe for hot-dip coating equipment
    This application describes a so-called "draft branch" construction (English: snout), which is commonly used, for example, in industrial practice as the main equipment part of a hot dip or flame coating equipment. Through this tuyere branch pipe, metal flat products, such as steel, which have been previously heat-treated in a continuous process, are transferred in the form of strips to a coating bath composed of molten metal (such as zn-based or al-based alloys), thereby preventing Between the heat-treated surface and the ambient atmosphere ...
  • Polycrystalline aluminum sliding bearing alloy and manufacturing method thereof, and sliding bearing manufactured by the method and process
    The invention relates to a metamorphic aluminum sliding bearing alloy with bismuth inclusions, which is suitable for plastic deformation. The invention also relates to a method for manufacturing a metamorphic aluminum sliding bearing alloy with bismuth inclusions. The invention also relates to a sliding bearing made of the sliding bearing alloy. High-load plain bearings are constructed from multiple layers in order to meet the bearing's and partially contradictory diversity requirements. Steel-aluminum composites are often used. The steel support shell does ...
  • Method, system and process for preparing three-dimensional object
    In a first aspect, the present invention relates to a method of preparing a three-dimensional object by sintering a powder material from the heat generated by a radiation absorbing material, and more particularly to a method that provides improved sintering of a powder material. A second aspect of the invention relates to a system adapted to implement the method of the first aspect. The invention is particularly suitable for manufacturing 3d objects using a layer-by-layer deposition method. Use a single device to quickly prepare a few ...
  • Method and process for recovering acid and metal elements in metal surface pickling waste liquid
    The invention relates to the field of cleaning cycle of metal pickling waste liquid, in particular to a method for recovering acid and metal elements in metal surface pickling waste liquid. During metal smelting and processing, the metal skin usually needs to be pickled to obtain a bright, clean and stable metal surface, such as stainless steel surface treatment and metal plating process surface treatment. According to different processing processes, the surface pickling often uses sulfuric acid or hydrochloric acid. After pickling, a large amount of acidic waste liquid is generated. Waste liquid ...
  • The invention belongs to the production of stainless steel, and particularly relates to a cold-rolled 400-series stainless steel pickling process that is continuously produced when 300-series stainless steel and 400-series stainless steel are converted in the same production line. The high gr400 series stainless steel is a ferritic stainless steel with a chromium content of 15% to 30% and a body-centered cubic crystal structure. High gr400 series stainless steel has the characteristics of large thermal conductivity, small expansion coefficient, good oxidation resistance, excellent stress corrosion resistance, etc ...
  • Corrosion inhibitor and application thereof in copper metal pickling solution and chemical polishing solution
    The field of printed circuit of the present invention relates to pickling technology and chemical polishing technology in printed circuit technology, in particular to a corrosion inhibitor and its application in copper metal pickling solution and chemical polishing solution. Copper material is one of the metal materials with a large amount of use in non-ferrous metals and a wide range of applications. It is widely used in electronic process fields such as printed circuits, integrated circuit packaging substrates and integrated circuits, and its application scope is still expanding in. And pickling, plating, polishing ...
  • Iron-based corrosion inhibitor and application thereof in pickling solution of iron substrate
    The invention belongs to the field of rust-removing and pickling / micro-etching treatment of iron substrates, and in particular relates to an iron-based corrosion inhibitor and its application in an iron substrate pickling solution. Iron metal is an indispensable metal material for the industrial sector. Iron and a small amount of carbon are used to make alloy steel. It is not easy to demagnetize after magnetization and is an excellent hard magnetic material. Lsco (la0.6sr0.4coo3), which has excellent conductivity at room temperature, can be used as a functional phase material for thick film resistance pastes, replacing traditional ruthenium and ...
  • Preparation method of bromomalonaldehyde 2-aminophosphonium bis-Schiff base corrosion inhibitor and application thereof
    The invention belongs to the field of corrosion inhibitors, and in particular relates to a method for preparing a bromomalonaldehyde 2-aminophosphonium bis-Schiff base corrosion inhibitor and its application. Circulating cooling water is a large item of water used in industrial water. In petrochemical, electric power, steel, metallurgy and other industries, the amount of circulating cooling water accounts for 50-90% of the total water used by enterprises. The cooling water is continuously circulated in the circulation system. Due to the rise of water temperature, flow rate changes, evaporation, various inorganic ions and organic substances ...
  • The invention relates to a corrosion inhibitor for metal tube corrosion protection of oil and gas wells and a preparation method thereof. Alkynol compounds and imidazoline compounds are common organic corrosion inhibitors. Among them, Zhang Yufang et al. Prepared a metal corrosion inhibitor by mixing propynol as a synergist with imidazoline, which can be used for corrosion protection of metal equipment in the CO2 environment (cn1277240a). Chen Wen et al. Reported a propionic acid imidazoline amide derivative, ...
  • The invention belongs to metal treatment, and particularly relates to a stainless steel surface saline solution and a preparation method thereof. Chemical treatment of the stainless steel surface (chemical corrosion), so as to obtain a micro-rough structure on the stainless steel surface, and change it from hydrophobic to hydrophilic, in order to improve the bonding force between the coating, plastic or glue and the stainless steel surface A surface chemical roughening process. Surface chemical roughening process is to improve the metal surface against corrosion ...
  • Metallurgical corrosion method and process of 6082 aluminum alloy
    The invention belongs to metallographic detection of metal materials, and particularly relates to a metallographic corrosion method of 6082 aluminum alloy. The aluminum alloy with the grade of 6082 is a heat-treatment strengthenable alloy, which has good formability, weldability, and machinability, and has medium strength. It can maintain good operability after annealing. It is mainly used for mechanical structures. Aspects include bars, plates, tubes and profiles. This alloy has a designation of 6061 ...
  • Manufacturing method of uniform spray adhesive etching system
    The invention relates to a flat plate cleaning device, and in particular to a uniform spraying etching system. During the flat plate production and processing, the flat plate needs to be sprayed and etched, and the spraying and etching process needs to ensure the uniformity and consistency of the spraying as much as possible. In the existing structure, such as cyclic mobile Spraying method, or multi-nozzle and multi-point spraying to completely cover the form, but these structures are either more complex and cause the machine volume to increase, ...
  • The invention belongs to the field of metal surface treatment and modification, and particularly relates to a hydrophilic wetting gradient composite wedge-shaped patterned surface and a preparation method and application thereof. Due to the controlled transport of liquid droplets on the solid surface, it has important significance for the development of microreactors, anti-icing and enhanced heat and mass transfer, which have attracted widespread attention from researchers. One of the hot topics in the research is how to make the droplets transport in the expected direction without the help of external forces. For ...
  • Method and process for preparing TA2 titanium alloy amorphous reinforced protective layer by laser
    The invention relates to a method for preparing ta2 titanium alloy amorphous reinforced protective layer by laser melting deposition, which belongs to material surface strengthening, in particular to a method for laser remelting la2o3 to enhance laser melting deposition of stellite156-b4c-zn composite material. The failure of mechanical parts usually starts from the surface first. Surface failure can cause huge economic loss and waste of resources. Laser melting on the part surface ...
  • Manufacturing method of combined magnetic core magnetic field generating device capable of improving magnetic focusing ability
    The invention relates to a magnetic field generating device for laser cladding processing. In the laser processing process, by controlling the size and direction of the Lorentz force by coupling the electromagnetic field, we can control the molten pool, reduce defects such as pores and cracks in the solidified structure, and refine the grains of the structure to achieve zero additive manufacturing. Improvement of mechanical properties of components. Kunming University of Science and Technology Liu Hongxi and others declared a patent application number of 201210225593.2 in ...
  • Automatic welding system, method and process
    The invention relates to the field of industrial welding, in particular to a system and method for controlling the movement and precise positioning of a welding gun head in real time in water-cooled wall welding. With the rapid development of modern industry, the requirements for machine efficiency and accuracy are becoming higher and higher in many fields of machinery and chemical engineering. Many machines need to operate under precise and accurate operations, so a higher level of mechanical control is proposed. Requirements. In the industry, especially in the boiler industry, surfacing welding is increasingly used ...
  • Low-pressure cold-spray repairing device for aluminum alloy shell and use method and process thereof
    The invention relates to a cold spray repair device, in particular to a low-pressure cold spray repair device of an aluminum alloy shell and a method for using the same. Cold spray repair, also called supersonic low pressure cold spray repair, is a new metal spraying process. It is different from traditional thermal spraying (super fast flame spraying, plasma spraying, explosive spraying, etc.). The temperature generated on the surface of the substrate generally does not exceed 150 ° C. Cold spray technology ...
  • The invention belongs to the field of high-entropy alloy materials, and particularly relates to a method for preparing a high-entropy alloy layer on the surface of a medical beta titanium alloy. Medical β titanium and titanium alloys are widely used in the field of dental and orthopedic implants due to their high strength, low Young's modulus, excellent corrosion resistance and good biocompatibility. While traditional metals and their alloys significantly increase the strength and hardness of the alloys, they often bring the problems of poor plasticity and toughness of the alloys. Recent research shows that five ...
  • Film-forming powder, film-forming method, and method and process for preparing film-forming powder
    CROSS-REFERENCE TO RELATED APPLICATIONS This non-provisional application claims priority to patent application no.2018-134243 filed in Japan on July 17, 2018 under 35u.sc§119 (a), the entire contents of which are incorporated herein by reference . The present invention relates to a film-forming powder suitable for forming a film as a protective coating inside a semiconductor manufacturing apparatus and the like, and a method for preparing the film-forming powder. More specifically, the invention relates to ...
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