Tungsten silver alloy

Tungsten silver alloy (W-Ag alloy) is composed of tungsten and silver alloy, silver content is generally 20%-70%. It belongs to two structural pseudo-alloys and is a metal matrix composite. Due to the difference in physical properties of metal silver and tungsten. The casting method cannot be used for production, and the powder alloy base is generally used to obtain it.

Classification:

Tungsten alloy

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Product Introduction

The process is mixing ingredients-pressing molding-sintering melting-cold processing.

Tungsten silver alloy advantages

Tungsten silver alloy combines the advantages of metal tungsten and silver, including tungsten with high melting point (3410 ℃) and high density (19.34g/cm³); Silver has excellent electrical and thermal conductivity, uniform microstructure of tungsten silver alloy, high temperature resistance, high strength, arc ablation resistance and high density.

Tungsten Silver Technical Information

Product Name	Symbol	Silver	Impurity	Tungsten	Density g/cm3	Conductance IACS%	Hardness HB≥	Bending strength
Silver Tungsten 30	AgW30	70±1.5	0.5	Allowance	11. 75		75	75
Silver Tungsten 40	AgW40	60±1.5	0.5	Allowance	12.4		66	85
Silver Tungsten 50	AgW50	50±2.0	0.5	Allowance	13.15		57	105
Silver Tungsten 55	AgW55	45±2.0	0.5	Allowance	13.55		54	115
Silver Tungsten 60	AgW60	40±2.0	0.5	Allowance	14		51	125
Silver Tungsten 65	AgW65	35±2.0	0.5	Allowance	14.5		48	135
Silver Tungsten 70	AgW70	30±2.0	0.5	Allowance	14.9	45	150	657
Silver Tungsten 75	AgW75	25±2.0	0.5	Allowance	15.4	41	165	686
Silver Tungsten 80	AgW80	20±2.0	0.5	Allowance	16.1	37	180	726

Silver tungsten alloy use

Electrical contact materials: silver tungsten alloy is commonly used as electrical contact materials, used in the manufacture of electrical switches, circuit breakers, relays, contactors, etc. Due to the high melting point and hardness of tungsten, the contact point of silver tungsten alloy can maintain stable contact performance under high current, high pressure and high temperature conditions, and has a long service life.
Electrode materials: Silver-tungsten alloys also have important applications in some special electrode applications, such as electrical discharge machining (EDM) electrodes, electrochemical electrodes, etc. Due to the high melting point, high hardness and good electrical conductivity of tungsten, silver tungsten alloy can work stably under high temperature and high pressure environment, and has high wear resistance and electrical conductivity.
Vacuum equipment components: Silver tungsten alloy is often used to manufacture key components of vacuum equipment, such as vacuum circuit breakers, vacuum tubes, vacuum electrodes, etc. Due to the high melting point and corrosion resistance of tungsten, silver tungsten alloy can maintain stable performance in high vacuum environment, and is not easy to be corroded and attacked by gas.
Electronic devices: Silver tungsten alloy is also used to manufacture some special electronic devices, such as cathode ray tubes (CRT), X-ray tubes, etc. Its stability under high current and high temperature conditions makes it suitable for these special electronic device applications.
Aerospace devices: Because silver tungsten alloy has good high temperature resistance, wear resistance and electrical conductivity, it also has certain applications in the aerospace field, such as the manufacture of engine parts, missile parts, etc.