Pó de FeCoNiCrAl

Overview of FeCoNiCrAl Powder

FeCoNiCrAl is a quinary alloy that exhibits good mechanical properties, oxidation resistance, and microstructural stability at elevated temperatures. Iron and cobalt provide strength. Nickel enhances toughness and ductility. Chromium imparts excellent oxidation and corrosion resistance. Aluminum improves high temperature mechanical properties.

Key characteristics of FeCoNiCrAl powder include:

• Excelente resistência à alta temperatura e à fluência
• Good environmental stability and thermal fatigue strength
• Alta dureza, resistência ao desgaste e à abrasão
• Good ductility and fabricability
• Available in range of particle sizes and morphologies

FeCoNiCrAl powder is suitable for protective coatings, thermal spray, welding, brazing, and high temperature structural applications requiring thermal and environmental resistance.

Composition of FeCoNiCrAl Powder

FeCoNiCrAl powder has the nominal composition:

Elemento	Composição
Ferro (Fe)	Equilíbrio
Cobalto (Co)	35-50%
Niquel (Ni)	10-30%
Cromo (Cr)	8-12%
Alumínio (Al)	1-5%
Carbono (C)	< 0,5%
Silício (Si)	<1,5%
Manganês (Mn)	<1%

The levels of cobalt, nickel, chromium and aluminum can be tailored to optimize high temperature strength, toughness, and environmental resistance based on application.

Properties of FeCoNiCrAl Powder

Key properties of FeCoNiCrAl powder include:

Propriedade	Valor
Densidade	7,5-8,2 g/cm³
Ponto de Fusão	1300-1400 d.C.
Condutividade térmica	10-30 W/mK
Resistividade elétrica	65-85 cm de largura
Módulo de Young	190-220 GPa
Razão de Poisson	0.28-0.32
Resistência à Tração	600-1100 MPa
Limite de escoamento	450-800 MPa
alongamento	15-30%
Dureza	30-50 HRC

 

The excellent high temperature strength, hardness, wear resistance, and environmental stability make it suitable for the most demanding applications.

Production Method for FeCoNiCrAl Powder

FeCoNiCrAl powder is produced using:

• Atomização a gás?- High pressure inert gas used to atomize molten alloy into fine spherical powder for excellent flow and packing density.
• Atomização da Água?- High velocity water jet impacts molten stream to produce fine irregular powder particles. Lower cost but higher oxygen pickup.
• Ligação Mecânica?- Ball milling of elemental/pre-alloyed powders followed by sintering and gas atomization.

Gas atomization provides the best control over particle size distribution, morphology and purity.

Applications of FeCoNiCrAl Powder

Typical applications of FeCoNiCrAl powder include:

• Revestimentos por Projeção Térmica?- HVOF or plasma spraying to deposit thick, wear resistant coatings on components operating at high temperatures.
• Manufatura aditiva?- Selective laser melting to produce complex parts for extreme environments needing high temperature resistance.
• Solda de Brasagem?- For joining assemblies and sealing cracks in parts subjected to high temperatures during service.
• Materiais de consumo de soldagem?- Used as filler material to provide excellent elevated temperature strength in welded components.
• Wear Parts?- Powder metallurgy hot work tooling and fixtures resisting wear and thermal fatigue cracking.
• Processamento de Vidro?- Chutes, conveyors and handlers used in glass melting furnaces.

Specifications of FeCoNiCrAl Powder

FeCoNiCrAl powder is available under various size ranges, morphologies and grades:

• Tamanho da partícula:?From 10-45 microns for AM methods, up to 150 microns for thermal spray processes.
• Morfologia:?Spherical, irregular and blended shapes. Spherical powder has excellent flowability.
• Pureza:?Ranging from commercial purity to ultra high purity grades based on stringent chemical analysis.
• Área superficial:?Área de superfície baixa preferida para minimizar a oxidação durante o manuseio e o armazenamento.
• Notas:?Customized composition and powder metallurgy tailored for application.

Global Suppliers of FeCoNiCrAl Powder

Some of the major global suppliers of FeCoNiCrAl powder include:

• Sandvik Osprey (Reino Unido)
• Erasteel (França)
• Tekna (Canadá)
• AMETEK (EUA)
• Edgetech Industries (US)
• CNPC Powder (China)
• Hoganas (Suécia)

These companies produce various grades of FeCoNiCrAl powder using gas atomization, water atomization and other techniques tailored for AM, thermal spray, brazing and other demanding applications.

Pricing of FeCoNiCrAl Powder

FeCoNiCrAl powder prices depend on factors like:

• Composição, níveis de pureza
• Tamanho da partícula de pó e morfologia
• Método de produção
• Volume do pedido
• Fornecedor

Nota	Faixa de preço
Comercial	R$ 60-120 o kg
Alta Pureza	US$ 120-250 o Kg
Ultrafina	250-450 por kg
Qualidade Especial	$450-850 o kg

 

Prices are higher for gas atomized, high purity and fine powders compared to simple commercial grades.

Storage and Handling of FeCoNiCrAl Powder

Proper storage and handling procedures for FeCoNiCrAl powder include:

• Conservar em recipientes fechados sob gás inerte para evitar a oxidação
• Evite o acúmulo de pó fino para controlar riscos de explosão
• Utilize EPIs adequados, ventilação e práticas de segurança ao manusear
• Evite contato do pó com materiais incompatíveis
• Siga as orientações de segurança aplicáveis do SDS do fornecedor

Cuidados e medidas de proteção são essenciais no manuseio deste pó de liga reativa.

Inspection and Testing of FeCoNiCrAl Powder

Key quality control tests performed on FeCoNiCrAl powder:

• Análise química usando OES ou XRF para garantir que a composição está dentro dos limites especificados
• Distribuição do tamanho de partículas por difração a laser de acordo com o padrão ASTM B822
• Análise morfológica por meio de imagens MEV
• Medição da taxa de fluxo de pó conforme o padrão ASTM B213
• Determinação de densidade por picnometria de hélio
• Teste de impurezas usando ICP-MS
• Caracterização microestrutural por análise de fases XRD

Thorough testing verifies powder quality and consistency meeting performance requirements.

Comparison Between FeCoNiCrAl and 316L Stainless Steel Powder

FeCoNiCrAl and 316L stainless steel powder compared:

Parâmetro	FeCoNiCrAl	Aço inox 316L
Composição	Quinary high-temp alloy	Liga inoxidável Fe-Cr-Ni
Custo	Maior	Mais baixo
Resistência a altas temperaturas	Muito melhor	Moderado
Resistência à corrosão	Comparável	Melhor
Condutividade térmica	Maior	Mais baixo
Trabalhabilidade	Moderado	Excelente
APLICATIVOS	Espartir térmico, FA	Automotivo, construção

 

FeCoNiCrAl offers far superior high temperature strength whereas 316L provides better fabrication and corrosion resistance at lower cost.

FeCoNiCrAl Powder FAQs

Q: How is FeCoNiCrAl powder produced?

A: FeCoNiCrAl powder is commercially produced using gas atomization, water atomization and mechanical alloying followed by sintering. Gas atomization offers the best powder characteristics.

Q: What are the main applications for FeCoNiCrAl powder?

A: Main applications include thermal spray coatings, additive manufacturing, brazing filler, powder metallurgy hot work tooling, glass processing equipment where high temperature strength and environmental resistance is needed.

P: Qual é o tamanho de partícula recomendado para projeção térmica?

A: For most thermal spray processes, a particle size range of 45-150 microns is preferred for FeCoNiCrAl powder to maximize deposition efficiency and coating properties.

Q: Does FeCoNiCrAl powder require special handling precautions?

R: Sim, medidas de proteção adequadas são essenciais ao manusear este reativo pó de liga fina, incluindo atmosfera inerte, aterramento, ventilação e EPI.

Q: Where can I purchase FeCoNiCrAl powder for additive manufacturing?

A: For AM applications requiring high temperature strength, fine FeCoNiCrAl powder can be purchased from leading manufacturers including Sandvik, Erasteel, Tekna, and AMETEK.