7075 Aluminium Alloy Powder

Obsah

Přehled o 7075 aluminium alloy powder

7075 aluminium alloy powder is a strong, lightweight powder metallurgy material with excellent mechanical properties and corrosion resistance. It contains zinc as the primary alloying element along with magnesium and copper which give it very high strength comparable to many steels.

7075 aluminium alloy powder can be used to manufacture high performance components via powder metallurgy techniques including metal injection molding (MIM), direct metal laser sintering (DMLS), binder jetting, cold/hot isostatic pressing, and extrusion. Parts made from 7075 aluminium powder attain properties close to those from wrought 7075 alloy.

Some key properties and characteristics of 7075 aluminium alloy powder:

7075 aluminium alloy powder

7075 Aluminium Alloy Powder Properties

VlastnictvíPopis
SloženíAluminum with zinc (5.1–6.1%), magnesium (2.1–2.9%), copper (1.2–2.0%) and small amounts of other alloying elements
Hustota2,81 g/cm3
Bod táníApprox. 635°C
SílaVery high, similar to many steels
Odolnost proti koroziExcellent due to zinc content
Powder Particle ShapeSpherical, irregular shaped
Rozsah velikosti prášku15- 75 microns
Manufacturing ProcessesMetal injection molding (MIM), Direct metal laser sintering (DMLS), binder jetting, HIP, extrusion

Aplikace z 7075 Aluminium Alloy Powder

Some common applications of MIM and additive manufacturing using 7075 aluminium alloy powder include:

7075 Aluminium Alloy Powder Applications

PrůmyslAplikace
AerospaceStructural components, fittings, gears, seals
Automobilový průmyslPistons, connecting rods, gears, sleeves
NámořníGears, fittings, couplings, propellers
PrůmyslovýPower transmission parts, machinery components
SpotřebitelSports equipment like bicycle parts
Vojenské stránkyFirearm components, body armor parts
LékařskýOrtopedické implantáty, protetika

Specifikace a normy

7075 alloy powder can meet various critical industry and military specifications:

7075 Aluminium Alloy Powder Specifications

StandardNázev
AMS 4126Aluminum Alloy Powder 7075
ASTM B951Standard Specification for Zinc and Zinc Alloy Powders Containing Sub-micron Sized Spheroids
ISO 22068Specification for atomized aluminum alloy powders for thermal spray applications
MIL-DTL-45208Detail specification for 7075 aluminum alloy powder and particles in grades A, B and C

Dodavatelé a ceny

Some leading global suppliers offering 7075 aluminum alloy powder along with indicative pricing:

7075 Aluminium Alloy Powder Suppliers

DodavatelPopisCenové rozpětí*
Kymera InternationalWide range of aluminum and aluminum alloy powders$50-$300/kg
Sandvik OspreyCustomized aluminum powders including 7075$75-$250/kg
Technika TLSGas and water atomized aluminum powders$100-$350/kg
Výroba kovových práškůVarious grades of aluminium powders$80-$275/kg
Alpoco Česká republikaSpecialists in aluminum MIM powders$90-$310/kg

* Price range varies based on order quantity, customized particle size distribution as per application requirements.

How 7075 Aluminium Compares

Comparison of 7075 aluminum alloy powder versus alternatives on key parameters:

Comparison of Aluminium Alloy Powders

Parametr7075 Al Powder6061 Al Powder316L prášek z nerezové oceli
Hustota2.8 g/cc2,7 g/cc7,9 g/cc
SílaVelmi vysokáStředníVysoký
Odolnost proti koroziVynikajícíDobrýVynikající
Tepelná vodivostVynikajícíDobrýStřední
NákladyStředníNízkýVysoký
VyrobitelnostVelmi dobřeVelmi dobřeAcceptable

7075 aluminium alloy stands out with it’s exceptional strength-to-weight ratio, corrosion resistance, thermal properties, balanced with good manufacturability via MIM and powder bed AM processes compared to alternatives like 6xxx series aluminum or stainless steel.

Key Considerations for 7075 Aluminium Powder

Some key considerations when working with 7075 aluminium alloy powder:

7075 Aluminium Alloy Powder Úvahy

ÚvahaPodrobnosti
Difficulty of PrintingModerately challenging due to higher zinc and copper content leading to powder aging effects during MIM and AM processes
Potřeby následného zpracováníHeat treatment required to attain optimal strength and balance mechanical properties
Povrchová úpravaVery good finish achievable after post-processing
Rozměrová přesnostHIP can minimize shrinkage to attain tolerances below 0.5%
NákladyHigher cost than 6061 but lower than titanium or nickel alloys
Dopad na životní prostředíGenerally positive due to high recyclability of aluminium and powder metallurgy processes efficiency over traditional manufacturing methods
7075 aluminium alloy powder

Nejčastější dotazy

7075 Aluminium Alloy Powder FAQs

Q: What is 7075 aluminum alloy?

A: 7075 aluminium alloy powder belongs to the 7xxx aluminum series and contains high amounts of zinc, magnesium and copper. The key features of 7075 alloy are resistance to corrosion, toughness and high strength-to-weight ratio.

Q: Is 7075 alloy corrosion resistant?

A: Yes, 7075 aluminium alloy has excellent corrosion resistance due to its key alloying element zinc which provides superior protection compared to other aluminium alloys like 6061 or 6082.

Q: What is the difference between 7075 aluminum and 7075?

A: 7075 aluminium refers to the alloy in its wrought form, while 7075 aluminum refers specifically to this same alloy composition in powder form. So 7075 aluminum powder would be used in powder metallurgy processes like MIM or metal 3D printing.

Q: What is 7075 aluminum powder used for?

A: 7075 aluminium alloy powder finds usage across aerospace, defense, automotive, medical and other demanding industries due to its high strength and corrosion resistance properties. It offers high performance in parts with low material thickness requirements.

Q: What are the mechanical properties of 7075 aluminum powder?

A: Sintered 7075 aluminum alloy powder can achieve tensile strength levels up to 550 MPa, yield strengths of 470 MPa, elongation over 11% and hardness values exceeding 150 HB. These are close to wrought 7075 alloy properties.

Q: What powder metallurgy methods use 7075 aluminum powder?

A: Major powder technologies using 7075 Al powder include metal injection molding (MIM), direct metal laser sintering (DMLS), binder jetting/powder bed fusion (PBF) and cold/hot isostatic pressing (HIP) followed by machining and finishing.

Q: Is 7075 aluminum powder better than 6061?

A: Yes, 7075 aluminium powder is much stronger than 6061, with fatigue strength almost double that of 6061. However it also costs 50-100% more than 6061 powder depending on customized specifications.

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