Q&A
Explanation of plating terminology and names
1. Electroplating: The process of using electrolysis to form a uniform, dense, well-bonded metal or alloy deposition layer on the surface of a workpiece.
2. Multilayer plating: In the same substrate on the first and last deposited on several layers of nature or material different metal layer of electroplating.
3. Cadmium plating process
4. Chromium plating process
5. Silver plating series silver plating plating process
6. Acid copper solution
7. Copper pyrophosphate plating copper pyrophosphate platinum
8. Strong corrosion resistant zinc alloy plating anti-corrosion zinc alloy plating
9. Brass plating &post-treatment
10. Cyanide copper plating solution
11. Zinc cyanide plating cyanide zinc plating solution
12. Acid zinc plating acid zinc plating process
13. Gold plating gold plating
14. Satin Nickel Plating
15. Rhodium plating process
16. Electroforming nickel plating nickel forming solution
17. Pearl bright nickel plating process
18. Pre-treatment chemistry for plating on Al & Al alloy
19. Anodizing Aluminum process
20. Non-cyanide alkaline zinc plating process
21. Tin plating process
22. alloy plating process
23. Iron parts blackening & phosphating treatment blackening & phosphating treatment
24. Anodes for plating
25. Precious metal products for plating
26.Electrophoretic deposition: Electrophoretic deposition is a kind of surface treatment, is a very special way of coating, simply put is to let the coating evenly attached to the metal surface by electricity, forming a layer of paint film like baking paint in general; theory, that is to say, the coated object is immersed in the water-based coating, the coated object and the electrode with the current, due to the role of the electric gas The electrostatic action of the electrodes causes the coating material to precipitate on the coated material to form a uniform, non-water-soluble coating film, which is known as electro-adhesive coating (EPD, ED).
27. Coloring: The process of allowing organic or inorganic dyes to adsorb onto a porous anodic oxide film so that it presents a variety of colors.
28. Dyeing power: The ability of a dye to adhere to an anodized film or coating.
29. Decolonization: The process of removing color from an anodized film with a decolorizing agent.
30. Plastic plating process
31. Plating on plastics: In plastic parts on the electrodeposition metal plating layer of the process.
Plating on plastics: The process of electrodepositing metal plating on plastic parts.
32. Plating post-treatment process
33. Stripping: The process of removing the surface plating of a workpiece.
34. Barrel plating: Plating of parts in a rotating container. Suitable for small parts.
35. Barrel bright nickel plating: barrel bright nickel plating process
36. Vibration. Barrel burnishing: The process of rolling the parts in a rotating container with abrasive and burnishing liquid.
37. Rack plating: The use of hangers to hang pieces for plating.
38. Rack plating: decorative-fully bright nickel solution
39. Rack (fixture) plating rack: used to mount the parts, in order to put them into the tank for plating or other processing tools.
40. Chemical degreasing alkaline degreasing: The process of removing oil from the surface of a workpiece by saponification and emulsification in an alkaline solution.
41. Chemical plating (autocalytic plating) autocalytic plating: In the activated treatment of the substrate surface, the plating solution in the metal ions are catalytic reduction process to form metal plating layer.
42. Chemical nickel electroless nickel plating process
43. Chemical polishing: Metal parts in a certain solution for anodic polarization treatment to obtain flat and bright process.
44. Grinding: With the help of abrasive adhering to the grinding wheel on the metal parts to carry on polishing to improve the surface flatness of the mechanical processing process.
45. Mechanical polishing: A mechanical process of polishing with the help of high-speed rotating polishing wheels smeared with polishing paste to improve the surface flatness and brightness of metal parts.
46. Electro polishing: The process of anodizing metal parts in a suitable solution to make the surface smooth and bright.
47. Semi-bright nickel plating: semi-bright nickel plating solution
48. Surface active agent surface active agent (surfactant): Substance that can significantly reduce the interface tension, commonly used as detergent, emulsifier, wetting agent, dispersant, foaming agent, etc..
49. Discontinuous water film water break: the phenomenon of discontinuous water film on the surface of the product due to the uneven wetting caused by pollution, which is a method to check the degree of cleaning.
50. Ultrasonic cleaning: ultrasonic cleaning solution, in order to more effectively remove the surface oil and other impurities in the method.
51. Impact plating strik plating: In a specific solution with high current density, short time electric deposition of a thin layer of metal to improve the subsequent deposition of the plating layer and the substrate between the bonding method.
52. Removal of hydrogen (de-embrittlement): The process of heating metal parts at a certain temperature or using other treatments to drive out hydrogen absorbed within the metal.
53. Roughening: Mechanical or chemical method to remove the surface of the metal parts to get the microscopic roughness, so that the liquid-repellent to become hydrophilic, in order to improve the bond between the plating layer and the surface of the parts of a non-conducting material chemical plating before processing technology.
54. Atmospheric exposure test atmospheric corrosion rest: a test to check the resistance of plating layer to atmospheric corrosion in different climatic zones in accordance with the prescribed method of exposure to sunlight.
55. Electrolytic pickling: metal parts as anode or cathode in electrolyte solution for electrolysis to remove surface oxides and corrosion process.
56. Electro casting electroforming: through electrolysis to make metal deposits in the casting mold to make or copy metal products (can casting mold and metal deposits separate) process.
57. Superimposed current electroplating: In the DC current superimposed pulse current or AC current electroplating.
58. preplating: In order to expose the real surface of the material and eliminate the internal stress and other special purposes required to remove oil, oxides and internal stress and other pre-technical treatment.
59. Post plating: Post-technical treatment of plating (e.g. passivation, hot melting, sealing and dehydrogenation, etc.) in order to enhance the protective properties, decorative and other special purposes of the plated parts.
60. Satin finish: The process of making the surface of a part into a diffuse reflective layer. The treated surface has a satin-like non-mirror-like shimmering luster.
61. Sealing: Physical and chemical treatment in aqueous solution or steam medium to reduce the porosity of the oxide film formed by anodic oxidation after anodic oxidation of aluminum parts. The purpose of this treatment is to increase the pollution resistance and corrosion resistance of the anodized cladding layer. To improve the durability of the coloring in the cladding or to give other desired properties.
62. composite plating (diffusion plating) composite plating: Electrochemical method or chemical method using the right metal ions and uniformly suspended in the solution of the insoluble non-metallic or other metal particles deposited at the same time to obtain a composite plating process.
63. Blueing (chemical oxide): The process of heating steel parts in air or immersing them in an oxidizing solution to form an oxide film on their surfaces that is usually blue (black) in color.
64. High speed electrodeposition: The process of plating at extremely high cathodic current densities for the purpose of obtaining a high deposition rate, using special measures.
65. Diaphragm: separates the anode and cathode areas of the electrolytic bath from each other in a porous or semi-permeable membrane.
66. Amalgamation amalgamation (blue dip): The process of immersing metal parts, such as copper or copper alloys, in a mercury salt solution and using the power to form an amalgam on the surface of the parts.
67. Bright plating: Under appropriate conditions, plating with a glossy layer obtained directly from the bath.
68. Brightening agent (brightener): An additive added to the plating solution to obtain a bright plating layer.
69. Bright Pickling: The process of removing oxides or other compounds from the surface of metal parts by chemical or electrochemical methods to make them shiny.
70. Alloy plating: The process of co-depositing two or more metals (including non-metallic elements) under the action of electric current.
71. Buffer: A substance that can keep the pH value of a solution basically constant within a certain range.
72. Mechanical plating: In the presence of fine metal powder and suitable chemical reagents, hit the metal surface with a small hard round ball to make the fine metal powder cover the surface.
73. Laser electroplating: Plating under the action of laser.
74. Metal electrodeposition: The process by which metal ions are reduced on the electrode with the help of electrolytic right of use solution and form a metallic phase. Including electroplating, electroforming, electrolytic refining, etc.
75. Immersion plate: A metal deposit produced by a displacement reaction in which one metal displaces another metal from a solution.
76. Bright dipping: The process of soaking metal parts in solution for a short time to form a bright surface.
77. Insulated layer (resist): A coating applied to a certain part of the electrode or hanger to make the surface of the part non-conductive.
78. Porosity: The number of pinholes per unit area.
79. Phosphating: The process of forming an insoluble phosphate protective film on the surface of steel parts.
80. Pulse Plating: Plating with a pulse power supply instead of a DC power supply.
81. Sensitization: The coarsenized non-conductive parts are impregnated in the sensitization solution to adsorb a layer of reducing substances on the surface, so that when the subsequent activation treatment is carried out, the precious metal ions can be reduced on the surface of the parts to form an activation layer or catalytic film, thereby accelerating the process of electroless plating reaction.
82. Internal stress: In the electroplating process, due to various reasons, the crystal structure of the coating is changed, so that the coating is stretched or compressed, but because the coating has been fixed on the substrate, the coating is in a state of stress, and the internal force acting on the coating is called internal stress.
83. Countercurrent rinsing: A multi-pass cleaning process in which the running direction of the workpiece is opposite to the flow direction of the cleaning water.
84. Nickel bath purifier
85. Coordination agent complex ant: A substance that can combine with metal ions or atoms to form coordination compounds.
86. Sand blasting: The process of blasting sand particles to impact the surface of the part to achieve decontamination, degreasing or roughening.
87. Spray rinsing: A cleaning method that washes parts with a fine stream of spray to improve the cleaning effect and save water.
88. Shot blasting: The process of spraying a metal surface with a hard and small ball, such as a metal pellet, the effect of which is to strengthen the surface under pressure and harden it with a decorative effect.
89. Strong Corrosion Pickling: The process of immersing metal parts in an etching solution with a higher concentration and a certain temperature to remove oxides and corrosions on them.
90. Thermal Diffusion: The process of heat treating plated parts to diffuse the base metal and the deposited metal (one or more) to form an alloy.
91. Hot melting: In order to improve the appearance and chemical stability of coatings such as tin or tin-lead alloys, the surface of the plating is melted and recrystallized by heat treating the plating parts at a temperature slightly higher than the melting point of the coated metal.
92. Emulsion degreasing: The process of removing oil stains from the surface of a workpiece with a liquid containing organic solvents, water, and emulsifiers.
93. Emulsifying agent (emulsifier): A substance that can reduce the interfacial tension between immiscible liquids and form an emulsion.
94. Wetting agent: A substance that can reduce the interface tension between the workpiece and the solution, so that the surface of the workpiece is easy to be wetted by the solution.
95. Weak Acid Dipping: The process of immersing metal parts in a certain solution before electroplating to remove the extremely thin oxide film on the surface and activate the surface.
96. Flash Plating (Flash Plate): Plating that produces a thin layer of plating with a very short plating time.
97. Brush plating: A method of selecting plating by using an electrode or brush that is connected to the anode and can provide the electrolyte required for plating, and moving it on the part that is used as the cathode.
98. Brushing: The process of rotating a metal or non-metal brush wheel (or brush) to process the surface of the workpiece to remove the remaining attachments on the surface and make the surface show a certain gloss
99. Softening of water: The process of removing calcium and magnesium plasma from water to reduce its hardness.
100. Addition agent (additive): A small amount of additives added to the plating solution to improve the electrochemical performance of the plating solution and improve the quality of the plating layer.
101. Annealing: annealing is a heat treatment process in which the plated parts are heated to a certain temperature and slowly cooled after holding for a certain period of time. The annealing process can eliminate the absorption of hydrogen in the coating, reduce the stress in the coating, and thus reduce its brittleness; It is also possible to change the grain state or phase structure of the coating to improve the mechanical properties of the coating or to make it have certain electrical, magnetic or other properties.
102. Passivating treatment after zinc-plating
103. Zinc passivation sealer treatment after passivation
104. Anode bag: A cotton cloth or chemical fiber fabric bag that is sleeved over the anode to prevent the anode mud from entering the solution.
105. Swept cathode: The cathode in which the plated part is connected to the pole bar for periodic reciprocating motion.
106. Solvent degreasing: The process of using organic solvents to remove oil stains on the surface of parts.
107. Neutral salt spray test (NSS-test): Corrosion resistance of the coating is tested by using the specified neutral salt spray.
108. Periodic reverse plating: Plating in which the direction of the current changes periodically.
109. Filter aid filter aid In order to prevent the accumulation of filter residue from being too dense and make the filtration go smoothly, different degrees of fineness are used Solution-based inert material.
110. Conversion coating: A surface coating containing a metal compound formed by chemical or electrochemical treatment, such as a chromate film on zinc or cadmium or an oxide film on steel.
111. Levelling agent: A stabilizer that can improve the microscopic flatness of the substrate surface during the electroplating process to obtain a smooth and smooth coating.
112. Chelating agent: A substance that can form chelates with metal ions.
113. Inhibitor: A substance that can reduce the rate of chemical or electrochemical reactions, such as corrosion inhibitors used in strong corrosion.
114. Printed circuit boards
115. Centrifugal dryer centrifuge: Equipment that uses centrifugal force to dehydrate and dry parts.
116. PH meter: An instrument that determines the pH value of a solution.
117. Bus bar: Connects the rectifier (or DC generator) to the copper or aluminum bar for conductive use in the plating tank.
118. Rectifier: A device that converts alternating current directly into direct current.
