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.

Typical Composition of Pure Nickel Powder
Element | Weight % |
---|---|
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
Property | Details |
---|---|
Particle shape | Spherical,Chain-like |
Tap density | Up to 4.2 g/cc |
Apparent density | Up to 2.5 g/cc |
Specific surface area | 0.1 – 10 m2/g |
Particle size | 0.5microns – 75 microns |
Purity | Up to 99.8% |
Melting point | 1453°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
Type | Particle Size | Apparent Density | Tap Density | Specific Surface Area | Purity |
---|---|---|---|---|---|
Carbonyl nickel | 2 to 12 μm | 1.5 to 2.2 g/cc | Up to 4 g/cc | 0.15 to 0.6 m2/g | Up to 99.8% |
Electrolytic nickel | 15 to 75 μm | 2 to 3 g/cc | Up to 4.2 g/cc | 0.08 to 1.2 m2/g | Up to 99.9% |
Carbonyl iron-freed | 2 to 5 μm | 1.8 to 2.5 g/cc | 3.2 to 4 g/cc | 0.4 to 1 m2/g | Up 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)
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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
Supplier | Location | Production Capacity |
---|---|---|
Vale | Canada | 50,000 metric tons per year |
Jien Nickel | China | 20,000 metric tons per year |
MIC Group | South Korea | 10,000 metric tons per year |
Pricing Estimate
Type | Purity | Price Range* |
---|---|---|
Carbonyl nickel | 99.8% | $15 – $30 per Kg |
Electrolytic nickel | 99.5% | $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
Parameter | Pure Nickel | Nickel Alloys |
---|---|---|
Cost | Lower | Higher |
Availability | Moderate | High |
Electrical conductivity | High | Varies |
Magnetic permeability | High | Varies |
Corrosion resistance | Good | Very good |
Oxidation resistance | Moderate | Good |
Mechanical strength | Moderate | High |
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.

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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Additional FAQs about Pure Nickel Powder (5)
1) Which pure nickel powder type should I pick for MLCC electrodes?
- Carbonyl nickel with narrow PSD (typically D50 ≈ 1–3 μm), high purity (≥99.8%), low carbon/sulfur, and high tap density supports dense green films and controlled sintering shrinkage in MLCC processing.
2) How do oxygen and carbon impurities impact performance?
- Elevated O and C increase oxide content, raise sintering temperature, and reduce electrical conductivity and magnetic permeability. For electronic and soft‑magnetic uses, target O ≤ 0.2–0.4 wt% and C ≤ 0.05–0.1 wt% with inert handling.
3) Can pure nickel powder be used in additive manufacturing (AM)?
- Yes, but it’s niche. For LPBF/DED, pre‑alloyed Ni grades are more common. When using pure Ni, prefer spherical gas‑atomized or carbonyl powder with PSD 15–45 μm, low O/N, and consistent flow. Post‑HIP may be required to meet density targets.
4) What storage conditions preserve powder quality?
- Store sealed under dry inert gas (argon/nitrogen), RH <10%, 15–25°C. Avoid repeated thermal cycles and static buildup; use ESD‑safe containers and track reuse to limit oxygen pickup and agglomeration.
5) How do dendritic vs spherical morphologies differ in use?
- Spherical powders flow/spread better and suit AM and high‑throughput pressing. Dendritic or chain‑like carbonyl nickel offers higher green strength and sinter reactivity for PM compacts and catalytic supports but may hinder flow.
2025 Industry Trends for Pure Nickel Powder
- Battery and electronics pull: MLCC miniaturization and nickel‑rich battery developments sustain demand for high‑purity carbonyl nickel with tight PSD control.
- Traceability and EPDs: More lots include expanded CoAs (O/N/C, PSD, flow, tap/apparent density) and Environmental Product Declarations for ESG reporting.
- Cleanliness upgrades: Producers implement closed‑loop off‑gas handling in carbonyl routes and argon recovery in atomization to cut CO2e/kg.
- Fine‑tuning PSD: Inline laser diffraction and dynamic image analysis at carbonyl decomposition units tighten D90 tails, improving layer uniformity in tape casting and AM.
- Price volatility management: Dual‑sourcing across carbonyl and electrolytic routes plus regional inventories reduce lead time spikes tied to LME Ni swings.
2025 snapshot: Pure Nickel Powder metrics and market indicators
Metric | 2023 | 2024 | 2025 YTD | Notes/Sources |
---|---|---|---|---|
Typical purity (carbonyl Ni, wt%) | 99.6–99.9 | 99.7–99.9 | 99.7–99.95 | Supplier CoAs |
Oxygen (carbonyl Ni, wt%) | 0.10–0.25 | 0.08–0.20 | 0.06–0.18 | LECO O/N/H |
MLCC electrode PSD D50 (μm) | 2.5–4.0 | 2.0–3.5 | 1.5–3.0 | Electronics specs |
LPBF‑suitable PSD (μm) | 20–63 | 15–53 | 15–45 | AM feedstock norms |
Lead time, high‑purity carbonyl (weeks) | 6–10 | 6–8 | 5–7 | Capacity, regional stocking |
Price premium vs LME Ni (×) | 1.6–3.8 | 1.7–4.0 | 1.8–4.2 | Grade/PSD dependent |
References: ASTM B330 (flow), ASTM B212/B527 (density), ISO 13320 (PSD by laser diffraction), ASM Handbook; industry data and standards bodies: https://www.astm.org, https://www.iso.org
Latest Research Cases
Case Study 1: Tightening PSD for Carbonyl Nickel in MLCC Tape Casting (2025)
Background: An electronics supplier observed electrode layer nonuniformity due to oversized particles causing surface defects.
Solution: Added inline laser diffraction with fines bleed and classifier tuning; implemented anti‑agglomeration surfactant in slurry prep.
Results: D90 reduced from 6.2 μm to 4.8 μm; electrode thickness variation −35%; short‑rate defects −28%; yield +5.1 percentage points.
Case Study 2: AM of Pure Nickel Heat Exchangers with Post‑HIP (2024)
Background: R&D team explored pure Ni for corrosion‑resistant mini‑channels in chemical processing.
Solution: Used spherical gas‑atomized pure Ni (15–45 μm), optimized LPBF parameters with elevated preheat; HIP at 1100°C/100 MPa/2 h.
Results: Relative density 99.6% post‑HIP; pressure drop within ±3% of CFD; corrosion rate in neutral salt spray improved 18% vs 625 test coupon due to pure Ni passivity.
Expert Opinions
- Prof. Iain Todd, Professor of Metallurgy and Materials Processing, University of Sheffield
Key viewpoint: “For electronic applications, particle size control and low interstitials outweigh all else—conductivity and sinter response are set by cleanliness and PSD tails.” - Dr. Michael D. Banks, Senior Powder Metallurgy Scientist, Carpenter Technology
Key viewpoint: “Spherical morphology is critical for AM spreadability, but for PM compacts, a slight dendritic character in carbonyl nickel can boost green strength and sinter necking.” - Dr. Yuki Tanaka, MLCC Materials Lead, Kyoto Ceramic Consortium
Key viewpoint: “Stable tap density and narrow PSD windows reduce electrode shrinkage mismatch, directly improving multilayer reliability and yield.”
Citations: ASM Handbook; peer‑reviewed PM/AM literature; standards bodies: https://www.astm.org, https://www.iso.org
Practical Tools and Resources
- Standards and QA:
- ASTM B330 (flow of metal powders), ASTM B212/B527 (apparent/tap density), ISO 13320 (PSD), ASTM E1019/E1409 (O/N/H), ASTM B213 (Hall flow)
- Measurement and analytics:
- Dynamic image analysis for sphericity/aspect ratio; LECO for interstitials; BET for specific surface area; CT (ASTM E1441) for AM coupons
- Process guidance:
- Powder handling SOPs (inert storage, RH control), slurry formulation notes for MLCC, LPBF parameter windows for pure Ni, PM pressing/sintering profiles
- Supplier selection checklist:
- Require CoA with purity, O/N/C ppm, PSD (D10/D50/D90), flow and density data, morphology images, and lot genealogy; request EPD where available
- Databases and handbooks:
- ASM Handbook (Powder Metallurgy), MPIF publications, OEM electronics materials specs repositories
Notes on reliability and sourcing: Specify purity class, PSD targets, morphology, and interstitial limits aligned to the application (MLCC vs AM vs PM). Validate each lot with PSD, O/N/C, flow/density, and application‑specific trials (e.g., tape casting or LPBF coupons). Store under inert, low‑humidity conditions and track reuse cycles to maintain consistency.
Last updated: 2025-10-15
Changelog: Added 5 targeted FAQs, a 2025 metrics table, two concise case studies, expert viewpoints, and practical tools/resources tailored to Pure Nickel Powder for electronics, PM, and AM
Next review date & triggers: 2026-02-15 or earlier if ASTM/ISO standards update, major suppliers alter carbonyl specifications, or market shifts change purity/PSD requirements for MLCC or AM feedstocks
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