Advantages and applications of zinc-nickel alloy plating for fasteners

Electroplated zinc-nickel alloy is an important plating material, which is widely used in automotive, aviation, rail transportation, ships, and other fields. It has excellent corrosion resistance, abrasion resistance, and toughness, which can protect the substrate from the erosion of the external environment and effectively extend its service life. This article will introduce the manufacturing process, advantages, and application areas of electroplated zinc-nickel alloy.

一、Zinc-nickel alloy plating manufacturing process for fasteners

Zinc-nickel plating is achieved by electrochemically depositing a thin film of an alloy consisting of zinc and nickel on a metal surface. The manufacturing process consists of the following steps

1. Pre-treatment: In the electrolytic bath, the metal surface is cleaned by acid washing, alkaline washing, etc., to remove impurities and ensure that the plating layer is firmly bonded to the substrate.

2. Zinc plating: The cleaned metal material is put into the electrolytic bath containing zinc ions, and a zinc layer is deposited on the metal surface through an electrolytic reaction.

3. Galvanizing nickel alloy: Based on galvanizing, continue to put the metal material into the electrolytic bath containing nickel ions, and through electrolytic reaction, deposit a layer of alloy film composed of zinc and nickel on the zinc layer. Through the above steps, electroplated zinc-nickel alloys with excellent performance can be produced.

二、Advantages and applications of electroplated zinc-nickel alloy for fasteners

1. Good corrosion resistance: Electroplated zinc-nickel alloy has excellent corrosion resistance, which can protect the substrate from the erosion of the external environment and effectively extend its service life. Therefore, it is widely used in automobiles, aviation, rail transportation, ships, and other fields.

2. good abrasion resistance and toughness: electroplated zinc-nickel alloy has excellent abrasion resistance and toughness, which can effectively resist external impacts and friction in the process of use, and effectively protect the substrate.

Good electrical conductivity: Electroplated zinc-nickel alloy has good electrical conductivity, which can effectively improve the conduction efficiency of the circuit.

Based on the above advantages, electroplated zinc-nickel alloys are widely used in body and engine parts in the automotive industry, structural parts and connectors in the aviation and rail transportation fields, and threads and fasteners in the marine field. Meanwhile, electroplated zinc-nickel alloy can also be used to cover various mechanical parts, precision instruments, and other fields.

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