Ag Cu Alloy

 

 

An alloy made of pure copper with one or more other elements added to it.

Copper alloys are copper based alloys made by adding other metallic or non-metallic elements to copper. Copper alloys have a range of characteristics and applications.

 

First of all, copper alloys have good electrical conductivity. Copper is one of the commonly used conductive metals, and its conductive properties are second only to silver and gold. Copper alloys are widely used in the field of electronics and electrical engineering, such as wires, cables, electrical components, electronic devices, etc. Secondly, the copper alloy has good thermal conductivity. Copper is one of the metals with good thermal conductivity, and its thermal conductivity is very high. Therefore, copper alloys are often used in the manufacture of radiators, heat exchangers, cooling equipment and other products that require good heat dissipation performance. Third, copper alloys have good mechanical properties. Copper alloys have high strength and hardness, while having ductility and toughness. This makes copper alloys widely used in manufacturing engineering structures, auto parts, ship parts and other fields. Fourth, copper alloy has good corrosion resistance. Due to the addition of other elements in the copper alloy, it has a high corrosion resistance. Therefore, copper alloys are widely used in Marine engineering, chemical equipment, water treatment equipment and other fields with corrosive environments. Fifth, the copper alloy has good anti-wear and wear properties. Copper alloys have high hardness and wear resistance, and can be used to manufacture wear parts, bearings and other industrial products that require anti-wear properties. Sixth, copper alloy has good fatigue resistance. Copper alloy has a long fatigue life and can meet the requirements of long-term use. Therefore, it is widely used in aerospace, automobile manufacturing, machinery manufacturing and other fields. Copper alloys have a wide range of applications.

 

Silver plating on the copper alloy substrate is due to the skin effect caused by the Lenz law when the alternating current passes through the conductor, that is, the current density on the surface is greater than the current density inside the conductor, which is equivalent to reducing the cross-sectional area of the conductor and greatly improving the resistance of the conductor. Therefore, if the surface of the conductor is plated with silver, the surface resistance can be reduced, thereby improving the conductivity of the conductor as a whole. The effect of silver plating of copper alloy reduces resistance, prevents rust, prevents oxidation of copper layer and reduces electrical conductivity. Bare copper wire is easy to oxidize, through silver plating treatment can reduce oxidation, improve antioxidant capacity! Can also increase the weldability, easy to weld! Not only to improve its weldability, but also the copper wire silver plating can prevent the insulation rubber sticky, the wire core blackened and brittle. Silver-plated copper wire is mainly used for rubber insulated mining cables, flexible wires, flexible cables and Marine cables as conductive wire cores, as well as for cable shielding braid layer and brush line. It can also be used in resistors and capacitors, photosensitive components, etc.

 

 

The silver-plated copper wire coating of copper alloy is continuously and firmly attached to the conductor surface, and the surface of the sample remains black after sample. The surface of copper alloy silver plating should be smooth and continuous, without silver particles, burrs, mechanical damage and other harmful defects. Copper alloy silver-plated copper wire is made of a copper core that is simultaneously coated with silver. It combines the characteristics of both metals, with excellent electrical conductivity, a bright and shiny surface, and a silver layer with high corrosion resistance. Because of these advantages, copper alloy silver-plated copper wire has become the first choice for high frequency wire and colored textile wire.

 

Features: High conductivity, improved heat resistance, bright and shiny surface, high frequency characteristics, high temperature resistance, corrosion resistance applications: colored wire, textile wire, high frequency applications, micro cable, aerospace cable, high temperature cable Copper alloy silver plating also has good corrosion resistance and no stress cracking corrosion.

 

 

Electrical industry: Electricity transmission

A large amount of copper with high conductivity is required in force transmission, which is mainly used in power wires and cables, bus bars, transformers, switches, plug components and connectors.

 

Motor manufacturing

In motor manufacturing, highly conductive and high-strength copper alloys are widely used. The main copper parts are stator, rotor and shaft. In large motors, the windings are cooled by water or hydrogen, called dual water internal cooling or hydrogen cooled motors, which requires a large length of hollow wires.

 

Electrovacuum device

Electrovacuum devices are mainly high frequency and ultra-high frequency transmitting tubes, waveguides, magnetrons, etc., which require high purity oxygen-free copper and dispersion-enhanced oxygen-free copper.

 

Boats

Due to its good resistance to seawater corrosion, many copper alloys, such as aluminum bronze, manganese bronze, aluminum brass, guncopper (tin zinc bronze), white steel and nickel-copper alloy (Monel alloy) have become standard materials for shipbuilding. In general, copper and copper alloys account for 2 to 3% of the body weight of warships and merchant ships.

 

Medicine

In the pharmaceutical industry, all kinds of steaming, boiling and vacuum devices are made of pure copper. Zinc white copper is widely used in medical devices. Copper alloy is also commonly used materials for spectacle frames

 

 

 

In terms of physical properties, the copper alloy silver-plated wire has good electrical conductivity, thermal conductivity, high strength, corrosion resistance and high temperature stability.

 

 

Quality and control standards meet BS EN13601 ASTM B846 ASTM B624 American standard ASTM B105/624, European standard (EN13602), Japanese standard (JIS H3260), DIN CEN/TS 13388, BS EN 50149, GB/T 5231, GB/T 21652, etc.

 

 

During the transportation of the product, take protective measures such as moisture proof (wrap the product with four square plastic bags on rainy days), anti-bruise (fix the product with a wooden frame to prevent the product from rolling and bruise), and each delivery is delivered at the scheduled time.

After the completion of the production of tin copper alloy must be strictly in accordance with the customer and industry standards for packaging, storage, handling and transportation, to ensure that the product is not damp, not hurt.

 

 

Storage conditions of finished products at ambient temperature ≤35℃, relative humidity ≤65%. (The storage life of the conductor must meet the requirements of temperature and humidity)

 

 

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