Pure Nickel Powder

Table of Contents

Pure nickel powder is a highly versatile metallic powder with unique properties that make it suitable for various advanced applications across industries. This article provides an in-depth look at pure nickel powder.

Overview of Pure Nickel Powder

Pure nickel powder, as the name suggests, is a powder form of nickel with 99% or higher purity. It has properties different from nickel alloys due to absence of alloying elements.

Some key traits of pure nickel powder:

  • Fine particle size allows easier compacting and sintering
  • High purity provides consistency in metallurgical properties
  • Spherical morphology gives good flowability
  • Available in grades like carbonyl, electrolytic, carbonyl iron-freed
  • Costs lower than many nickel alloys

With characteristics like high strength, ductility, corrosion resistance, and magnetism, pure nickel powders cater to niche applications unattainable with substitutions.

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Typical Composition of Pure Nickel Powder

ElementWeight %
Nickel (Ni)99.0 min
Carbon (C)0.1 max
Oxygen (O)0.4 max
Sulfur (S)0.01 max
Iron (Fe)0.5 max
Copper (Cu)0.2 max

Key Properties of Pure Nickel Powder

PropertyDetails
Particle shapeSpherical,Chain-like
Tap densityUp to 4.2 g/cc
Apparent densityUp to 2.5 g/cc
Specific surface area0.1 – 10 m2/g
Particle size0.5microns – 75 microns
PurityUp to 99.8%
Melting point1453°C

Applications and Uses of Pure Nickel Powder

The versatility of pure nickel powder makes it suitable for niche applications in areas like:

Multilayer ceramic capacitors (MLCC)

Due to properties like temperature stability, high conductivity, and oxidation resistance, pure nickel powder is ideal for internal electrodes in MLCCs in electronics and automotive industry.

Soft magnetic applications

Good magnetic permeability and low coercivity allow pure nickel powder usage in magnetic cores, choke coils, filters, and more.

Manufacturing

The compressibility and sinterability help economical manufacturing of pure nickel parts via powder metallurgy technique.

Catalysts

Large surface area provides high catalytic activity utilizes in chemical, pharmaceutical and petrochemical industries.

Batteries

Purity and electrochemical properties are useful for anode materials in nickel-based batteries.

Other applications

Specialized uses in conductive coatings and films, welding products, diamond tools, conductive adhesives/ink, brazing alloys.

Pure Nickel Powder Types and Specifications

Pure nickel powder is commercially available in various types, sizes, morphologies and grades suitable for different applications:

Types of Pure Nickel Powder and Typical Specifications

TypeParticle SizeApparent DensityTap DensitySpecific Surface AreaPurity
Carbonyl nickel2 to 12 μm1.5 to 2.2 g/ccUp to 4 g/cc0.15 to 0.6 m2/gUp to 99.8%
Electrolytic nickel15 to 75 μm2 to 3 g/ccUp to 4.2 g/cc0.08 to 1.2 m2/gUp to 99.9%
Carbonyl iron-freed2 to 5 μm1.8 to 2.5 g/cc3.2 to 4 g/cc0.4 to 1 m2/gUp to 99.9%

Particle Shapes Available

  • Spherical
  • Chain-like
  • Dendritic

Sizes Available

  • Submicron (less than 1 micron)
  • 1-5 microns
  • 10-15 microns
  • 20-75 microns

Grades Available

  • Standard purity (99% min)
  • High purity (99.8% min)
  • Ultra high purity (99.9% min)

Major Suppliers and Pricing

Being a specialty powder for advanced applications, pure nickel powder has limited suppliers globally. Prices depend on quantity and grade.

Leading Suppliers of Pure Nickel Powder

SupplierLocationProduction Capacity
ValeCanada50,000 metric tons per year
Jien NickelChina20,000 metric tons per year
MIC GroupSouth Korea10,000 metric tons per year

Pricing Estimate

TypePurityPrice Range*
Carbonyl nickel99.8%$15 – $30 per Kg
Electrolytic nickel99.5%$10 – $25 per Kg

*Indicative price range. Contact supplier for exact quote based on grade, quantity and application.

Comparative Analysis

Advantages of Pure Nickel Powder

  • Consistent properties from high purity
  • Good corrosion resistance
  • Economical compared to nickel alloys
  • Specialized applications utilizing characteristics

Limitations of Pure Nickel Powder

  • Limited global production capacity -SEG higher pricing than base metals
  • Oxidation susceptibility at high temperatures
  • Lower strength than many alloys
ParameterPure NickelNickel Alloys
CostLowerHigher
AvailabilityModerateHigh
Electrical conductivityHighVaries
Magnetic permeabilityHighVaries
Corrosion resistanceGoodVery good
Oxidation resistanceModerateGood
Mechanical strengthModerateHigh

As seen above, while nickel alloys exceed in areas like strength and oxidation resistance, pure nickel powders offer affordable solutions for electrical, magnetic and other niche applications while maintaining good corrosion properties expected from nickel.

pure nickel powder

FAQ

What are the most common applications of pure nickel powder?

The most common applications are in manufacture of multilayer ceramic capacitors (MLCC), soft magnetic components, diamond tools, welding products, batteries, and catalytic converters. The combination of properties like temperature stability, magnetism, corrosion resistance, compressibility, and cost make pure nickel suitable for these uses.

Why choose pure nickel powder over a nickel alloy?

Pure nickel powder provides high electrical and thermal conductivity, magnetism, compressibility, and reasonable corrosion properties at much lower cost compared to nickel alloys with fewer or no alloying elements. This allows niche applications where these characteristics are necessary but cost is a constraint. However, nickel alloys have superior strength at high temperatures which may necessitate use in certain structural applications instead.

What is carbonyl nickel powder?

Carbonyl nickel powder is produced via chemical vapor deposition by decomposing nickel carbonyl gas, giving uniform spherical particles with moderate surface area, making them suitable for sintering into components via powder metallurgy. High purity and low impurities also allow niche uses as catalysts and battery materials.

How does the price of pure nickel powder compare with nickel metal pricing?

Pure nickel powder costs between 1.5 to 4 times the LME nickel price per metric ton depending on grade and quantity. So when nickel trades at $20,000 per ton, the powder would approximately cost $30,000 to $80,000 per ton. The specialized production process for metallic powders accounts for this price premium over metal.

Conclusion

With its affordability combined with desirable thermal, electrical, magnetic and corrosion properties unattainable with substitutions, commercially available high purity nickel powder empowers development of advanced engineered products across industries to meet application challenges.

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