FeCoNiCrMn powder

Overview of FeCoNiCrMn Powder

FeCoNiCrMn belongs to a class of multi-principal element alloys known as high entropy alloys. The near-equiatomic composition provides high configurational entropy leading to excellent strength, toughness, and stability at high temperatures.

Key properties of FeCoNiCrMn powder include:

• Kekuatan suhu tinggi yang luar biasa dan ketahanan mulur
• Kekuatan fatik dan ketangguhan patah yang luar biasa
• Ketahanan oksidasi dan korosi yang luar biasa
• High microstructural stability at elevated temperatures
• Available in range of particle size distributions and morphologies

FeCoNiCrMn powder is suitable for high temperature structural parts, protective coatings, thermal spray, welding, additive manufacturing, and other demanding applications at elevated temperatures.

Composition of FeCoNiCrMn Powder

FeCoNiCrMn powder has the nominal composition:

unsur	Komposisi
Besi (Fe)	20-25%
Cobalt (Co)	20-25%
Nikel (Ni)	20-25%
Chromium (Cr)	15-20%
Manggan (Mn)	10-15%
Karbon (C)	<0,5%
Silikon (Si)	Kurang dari 1%

The high entropy composition results in superior thermal stability and mechanical properties compared to conventional alloys. Impurities are minimized.

Properties of FeCoNiCrMn Powder

FeCoNiCrMn powder possesses the following properties:

Property	Nilai
Kepadatan	8.0-8.3 g/cm3
Titik Leleh	1300-1400¡«C
Kekonduksian termal	15-25 W/mK
Resistivitas listrik	70-90 ×´Î.cm
Modulus Young	200-220 GPa
Rasio Poisson	0.28-0.30
Kekuatan Tarik	750-1200 MPa
Kekuatan mulur	500-900 MPa
Pemanjangan	20-35%
Kekerasan	35-50 HRC

 

The properties like strength, ductility, fatigue strength, and hardness are maintained up to temperatures exceeding 1000¡«C.

Production Method for FeCoNiCrMn Powder

Typical production methods for FeCoNiCrMn powder include:

• Atomize Gas?- High pressure inert gas used to atomize molten alloy to produce fine spherical powder with good flow and packing density.
• Atomisasi Air?- High velocity water jet breaks up molten metal stream into fine irregular powder particles. Lower cost but higher oxygen pickup.
• Mechanical Alloying?- Penggilingan bola pada bubuk unsur campuran yang diikuti dengan proses penyinteran dan atomisasi sekunder.

Gas atomization provides the best control over powder characteristics like particle size distribution, morphology, purity and microstructure.

Applications of FeCoNiCrMn Powder

FeCoNiCrMn powder is used in high temperature applications including:

• pembuatan aditif?- Selective laser melting to produce complex parts needing exceptional high temperature strength for aerospace, automotive, etc.
• Lapisan Semprotan Termal?- Wire arc spraying to deposit thick protective coatings providing wear/corrosion resistance at elevated temperatures exceeding 750¡«C.
• Pengisi Pematrian?- For joining high temperature alloys and ceramics due to its oxidation resistance.
• Barang Habis Pakai Pengelasan?- Provides excellent weld strength and durability in high temperature or corrosive service conditions.
• Heat Treatment Fixtures?- Powder metallurgy trays, baskets, fixtures used in heat treatment furnaces.

Specifications of FeCoNiCrMn Powder

FeCoNiCrMn powder is available under various size ranges, shapes, grades and purity levels:

• Besaran partikel:?From 10-45 Ã×m for AM methods, up to 150 Ã×m for thermal spray processes.
• Morfologi:?Spherical, irregular and blended shapes. Spherical powder provides optimal flow and packing density.
• Kemurnian:?From commercial purity to ultra-high purity grades based on stringent chemical analysis and application requirements.
• Luas Permukaan:?Daya permukaan rendah lebih disukai untuk meminimalkan oksidasi selama penanganan dan penyimpanan.
• Nilai:?Customized composition and powder characteristics tailored for intended application and processing method.

Global Suppliers of FeCoNiCrMn Powder

Some of the major global suppliers of FeCoNiCrMn powder include:

• Sandvik Osprey (UK)
• Erasteel (Prancis)
• Tekna (Kanada)
• Edgetech Industries (USA)
• CNPC Powder (China)
• Hoganas (Swedia)
• AMETEK (US)

These companies produce various grades of FeCoNiCrMn powder using gas atomization, water atomization and mechanical alloying processes tailored for demanding applications.

Pricing of FeCoNiCrMn Powder

FeCoNiCrMn powder prices depend on factors like:

• Komposisi, tingkat kemurnian
• Distribusi ukuran partikel dan bentuk
• Cara produksi
• Jumlah Pesanan
• Produsen dan lokasi geografis

Kelas	Kisaran Harga
Iklan Niaga	$100-150 per kg
Kemurnian tinggi	$150-300 per kg
Ultrafine	$300-500 per kg
Kelas khsus	$500-1000 per kg

 

Bubuk kemurnian tinggi yang diatomkan gas, dengan ukuran partikuel yang terkontrol, dihargai jauh lebih tinggi dibandingkan dengan kualitas komersial.

Storage and Handling of FeCoNiCrMn Powder

FeCoNiCrMn powder requires careful storage and handling:

• Harus disimpan dalam wadah tertutup di bawah gas inert untuk mencegah oksidasi.
• Need to control dust explosion hazards from fine powder accumulation
• Use proper PPE, ventilation, safety practices during powder handling
• Cegah kontak antara bubuk dengan bahan yang tidak sesuai
• Ikuti garis panduan keselamatan yang berlaku dari SDS pemasok

Proper protective measures are essential when handling this reactive alloy powder.

Inspection and Testing of FeCoNiCrMn Powder

Key quality control tests performed on FeCoNiCrMn powder:

• Analisis kimia menggunakan OES atau XRF untuk memastikan bahwa komposisi berada dalam batas yang ditentukan
• Distribusi ukuran partikel menggunakan difraksi laser sesuai standar ASTM B822
• Analisis morfologi melalui pencitraan SEM
• Pengukuran laju alir serbuk sesuai dengan standar ASTM B213
• Penentuan densitas dengan helium piknometer
• Pengujian pengotor menggunakan ICP-MS
• Karakterisasi mikrostruktur dengan analisis fasa XRD

Pengujian secara menyeluruh memverifikasi kualitas dan kekonsistenan bubuk untuk aplikasi suhu tinggi yang dimaksudkan.

Comparison Between FeCoNiCrMn and Inconel 718 Powders

FeCoNiCrMn and Inconel 718 powders compared:

Parameter	FeCoNiCrMn	Inconel 718
Komposisi	High entropy alloy	Ni-Cr-Nb alloy
Biaya	Lebih Tinggi	Lebih rendah
Kekuatan temperatur tinggi	Jauh lebih baik	Very good up to 700¡«C
Tahanan terhadap korosi	Dapat dibandingkan	Dapat dibandingkan
Kepraktisan	Sedang	Luar biasa
APLIKASI	Semprotan termal, AM	Komponen pesawat, pegas
Ketersediaan	Sedang	Tersedia dengan mudah

 

FeCoNiCrMn offers superior high temperature strength, whereas Inconel 718 has better workability and availability.

FeCoNiCrMn Powder FAQs

Q: How is FeCoNiCrMn powder produced?

A: FeCoNiCrMn 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 FeCoNiCrMn powder?

A: Main applications include additive manufacturing, thermal spray coatings, brazing filler material, high temperature welding, powder metallurgy hot work tooling where exceptional high temperature strength is needed.

T: Apakah ukuran partikel yang disarankan untuk penyemprotan termal?

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

Q: Does FeCoNiCrMn powder require special handling precautions?

A: Ya, tindakan perlindungan yang tepat sangat penting dilakukan saat menangani bubuk aloi halus reaktif tersebut, termasuk atmosfer inert, pentanahan, ventilasi, dan APD.

Q: Where can I buy FeCoNiCrMn powder suitable for additive manufacturing?

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