AlMgScZr prášek

Overview of AlMgScZr Powder

Prášek AlMgScZr je hliníková slitina obsahující hořčík, skandium a zirkonium jako hlavní legující prvky. Vykazuje vynikající pevnost, svařitelnost a odolnost proti korozi při zachování výhody nízké hustoty hliníku.

Key properties and advantages of AlMgScZr powder include:

AlMgScZr Powder Properties and Characteristics

Vlastnosti	Podrobnosti
Složení	Al-Mg-Sc-Zr alloy
Hustota	2,7 g/cc
Tvar částic	Sférické
Rozsah velikostí	10-75 microns
Zdánlivá hustota	Up to 60% of true density
Tekutost	Vynikající
Síla	Very high for Al alloy powder
Svařitelnost	Vynikající

AlMgScZr powder enables fabrication of lightweight structural and functional components across aerospace, automotive, and industrial sectors needing high specific strength.

AlMgScZr Powder Composition

Typical composition of AlMgScZr powder:

AlMgScZr Powder Composition

Živel	Hmotnost %
Hliník	Zůstatek
Hořčík	0.2-1%
Scandium	0.2-0.7%
Zirkonium	0.05-0.25%
Křemík	0,1% max
Žehlička	0,1% max
Měď	0,1% max

• Aluminum forms the matrix providing low density
• Magnesium enhances strength through solid solution strengthening
• Scandium enables precipitation hardening for peak strength
• Zirconium promotes fine recrystallized grain structure
• Other elements present only as impurities

The composition is optimized to maximize the precipitation hardening response and deliver exceptional strength.

AlMgScZr Powder Physical Properties

AlMgScZr Powder Physical Properties

Vlastnictví	Hodnoty
Hustota	2,7 g/cc
Bod tání	640-655°C
Elektrický odpor	4.5-5.5 μΩ-cm
Tepelná vodivost	150-180 W/mK
Thermal expansion	21-24 x 10^-6 /K
Maximální provozní teplota	250°C

• Very low density compared to steels and titanium alloys
• Melting point is moderately high for an aluminum alloy
• Vysoká elektrická a tepelná vodivost
• Relatively high CTE necessitates design considerations
• Can be used for prolonged periods up to 250°C

The properties make AlMgScZr well suited for lightweight structural applications across automotive, aerospace and other sectors.

AlMgScZr Powder Mechanical Properties

AlMgScZr Powder Mechanical Properties

Vlastnictví	Hodnoty
Pevnost v tahu	400-500 MPa
Pevnost v tahu	480-570 MPa
Prodloužení	7-10%
Tvrdost	115-150 HB
Shear strength	330 MPa
Lomová houževnatost	29-35 MPa√m

• Very high strength for an aluminum alloy
• Significantly stronger than other non heat-treatable Al alloys
• Reasonable ductility in peak aged condition
• Relatively high fracture toughness
• Strength can be tailored through aging treatment

The properties make AlMgScZr an exceptional choice for structural parts needing high strength-to-weight ratio.

AlMgScZr Powder Applications

AlMgScZr Powder Applications

Sektor	Používá
Aerospace	Airframes, wings, fuselage skins
Automobilový průmysl	Chassis, suspension parts
Průmyslový	Robot arms, lifting equipment
Aditivní výroba	High performance components

Některá specifická použití výrobku:

• Aircraft structural frames, bulkheads, wing spars
• Automotive transmission casings, engine blocks
• Industrial robot arms, lifting equipment
• Additive manufacturing of topology optimized components
• Electronic enclosures needing thermal management

AlMgScZr provides maximum strength with minimum weight penalty across these critical applications.

AlMgScZr Powder Specifications

Key specifications for AlMgScZr powder include:

AlMgScZr Powder Standards

Standard	Popis
ASTM B951	Standard for precipitation hardened aluminum alloys
DIN 1718	Aluminum and aluminum alloys designations
EN 586-2	Forgings for high strength structural applications
AMS 4413	Aluminum alloy powder compositions for additive manufacturing

Ty definují:

• Chemical composition limits of AlMgScZr
• Required mechanical properties in peak aged condition
• Approved powder production method – inert gas atomization
• Impurity limits for elements like Fe
• Quality testing protocols
• Proper handling and storage

Meeting certification requirements ensures optimal alloy performance.

AlMgScZr Powder Particle Sizes

AlMgScZr Powder Particle Size Distribution

Velikost částic	Charakteristika
10-25 microns	Ultrafine powder used in laser AM processes
25-45 mikronů	Common size range for laser bed and binder jetting
45-75 mikronů	Larger sizes used in cold spraying

• Finer powder provides higher resolution and surface finish
• Coarser powder suitable for high deposition rate processes
• Size range tailored based on AM production method used
• Spherical morphology maintained in all sizes

Controlling particle size distribution and shape is critical for AM processing, packing density, and final part properties.

AlMgScZr Powder Apparent Density

AlMgScZr Powder Apparent Density

Zdánlivá hustota	Podrobnosti
Up to 60% of true density	For spherical powder shape
1.5 – 1.7 g/cc	Zlepšuje se s větší hustotou balení

• Spherical morphology provides high apparent density
• Higher density improves powder flow and bed packing in AM
• Reduces entrapped gas porosity in final part
• Maximizing density minimizes press cycle time

Higher apparent density results in better manufacturing productivity and part performance.

AlMgScZr Powder Production Method

AlMgScZr Powder Production

Metoda	Podrobnosti
Rozprašování plynu	High pressure inert gas breaks up molten metal stream into fine droplets
Vakuové indukční tavení	High purity input materials melted in vacuum
Vícenásobné přetavení	Improves chemical homogeneity
Sítování	Classifies powder into different particle size fractions

• Gas atomization with inert gas produces clean, spherical powder
• Vacuum processing minimizes gaseous impurities
• Multiple remelts improve uniformity of composition
• Post-processing provides particle size distribution control

Fully automated methods combined with stringent quality control result in consistent AlMgScZr powder suitable for critical applications.

AlMgScZr Powder Pricing

AlMgScZr Powder Pricing

Faktor	Dopad na cenu
Stupeň čistoty	Price increases for higher purity
Velikost částic	Ultrajemný prášek je dražší
Objednané množství	Price reduces for bulk orders
Způsob výroby	Use of multiple remelts increases cost
Balení	Argon filled cylinders cost more

Orientační ceny

• AlMgScZr powder: $80-120 per kg
• Large volume pricing can be up to 40% lower

Pricing depends on purity, particle size, order volume, production method, and packaging.

AlMgScZr Powder Suppliers

AlMgScZr Powder Suppliers

Společnost	Umístění
Rio Tinto	Kanada
Technika TLS	Německo
Sandvik Osprey	Spojené království
Praxair	USA
AMC Powders	Spojené království
Riga Technical University	Latvia

Faktory výběru dodavatelů:

• Powder grades and particle sizes offered
• Production capacity and lead times
• Quality control and consistency
• Compliance with specifications like ASTM B951
• Pricing levels based on order volume
• Technical expertise and customer support

AlMgScZr Powder Handling and Storage

AlMgScZr Powder Handling

Doporučení	Důvod
Ensure proper ventilation	Vyhněte se působení jemných kovových částic.
Use appropriate PPE	Prevent accidental inhalation or ingestion
Vyhněte se zdrojům vznícení	Prášek může v kyslíkové atmosféře hořet
Follow safe protocols	Reduce health and fire hazards
Store sealed containers	Zabránit kontaminaci nebo oxidaci

AlMgScZr powder is relatively stable but general precautions are still recommended for safe handling and maintaining purity.

AlMgScZr Powder Inspection and Testing

AlMgScZr Powder Testing

Test	Podrobnosti
Chemická analýza	Verifies composition using OES or XRF spectroscopy
Distribuce velikosti částic	Laser diffraction analysis
Zdánlivá hustota	Zkouška Hallovým průtokoměrem podle normy ASTM B212
Morfologie prášku	Zobrazení tvaru částic pomocí SEM
Analýza průtoku	Gravitační průtok určenou tryskou
Moisture measurement	Loss on drying test

Testing ensures the powder meets the required chemical purity, particle characteristics, apparent density, morphology, and flow specifications as per applicable standards.

AlMgScZr Powder Pros and Cons

Advantages of AlMgScZr Powder

• Very high strength for an aluminum alloy
• Retains strength up to 250°C
• Vynikající odolnost proti korozi
• High fracture toughness and fatigue strength
• Good weldability using conventional techniques
• Low density provides weight savings

Limitations of AlMgScZr Powder

• Relatively expensive compared to other aluminum grades
• Requires controlled heat treatment for optimal properties
• Limited high temperature creep resistance
• Restricted hot formability in peak aged condition
• Susceptible to galvanic corrosion if improperly protected

Comparison With 6061 Aluminum Alloy Powder

AlMgScZr vs 6061 Al Alloy Powder

Parametr	AlMgScZr	6061 Al
Hustota	2,7 g/cc	2,7 g/cc
Pevnost v tahu	480-570 MPa	250-310 MPa
Pevnost v tahu	400-500 MPa	55-275 MPa
Svařitelnost	Vynikající	Dobrý
Odolnost proti korozi	Vynikající	Dobrý
Náklady	Vysoký	Nízký
Používá	Letecký a automobilový průmysl	General applications

• AlMgScZr provides much higher strength and corrosion resistance
• 6061 Al offers moderate strength at low cost
• AlMgScZr preferred for critical structural components
• 6061 Al widely used for general applications

AlMgScZr Powder FAQs

Q: What are the main applications of AlMgScZr powder?

A: Key applications are aerospace components like airframes and wings, automotive parts like chassis and wheels, industrial robot arms and lifting equipment, and additive manufacturing of high performance topology optimized components.

Q: How does scandium strengthen AlMgScZr alloy?

A: Scandium enables precipitation hardening by forming nano-scale Al3Sc precipitates during aging treatment. This impedes dislocation movement substantially increasing the strength.

Q: What precautions should be taken when working with AlMgScZr powder?

A: Recommended precautions include proper ventilation, avoiding ignition sources, using appropriate PPE, following safe handling protocols, inert atmosphere, and storing sealed containers away from moisture or contaminants.

Q: How does AlMgScZr compare with AlZnMgCu alloy powder?

A: AlMgScZr provides higher strength, weldability, and corrosion resistance than 7000 series Al alloys like AlZnMgCu. It is preferred for critical structural parts while AlZnMgCu is more economical.