Pure Aluminum Powder
$0.00
Pure Aluminum Powder
| Product | Pure Aluminum Powder |
| CAS No. | 7429-90-5 |
| Appearance | Silvery White to Grayish Powder |
| Purity | ≥99%, ≥99.9%, ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM (Can be customized), Ask for other available size range. |
| Ingredient | Al |
| Density | 2.7g/cm3 |
| Molecular Weight | 26.98g/mol |
| Product Codes | NCZ-DCY-311/25 |
Pure Aluminum Description:
Pure Aluminum Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing
Aluminum Powder Related Information :
Storage Conditions:
Airtight sealed, avoid light and keep dry at room temperature.
Please contact us for customization and price inquiry
Email: contact@nanochemazone.com
Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters.
Pure Aluminum Powder
Pure aluminum powder refers to aluminum powder produced from just aluminum without the addition of other alloying elements. It exhibits low density, high thermal and electrical conductivity, ductility, excellent cOverview of Pure Aluminum Powder
Pure aluminum powder refers to aluminum powder produced from just aluminum without the addition of other alloying elements. It exhibits low density, high thermal and electrical conductivity, ductility, excellent corrosion resistance, and reflectivity.
Key features of pure aluminum powder include:
Unalloyed aluminum with 99%+ purity
Highly reactive with high affinity to oxygen
Low melting point and excellent thermal conductivity
Lightweight with density around 2.7 g/cc
Soft and ductile for deformation processing
Available in various particle sizes and morphologies
Pure aluminum powder is used for protective coatings, pyrotechnic compositions, fuel additives, 3D printing, and other applications requiring pure aluminum properties.
This article provides a comprehensive overview of properties, production methods, applications, specifications, and other details of pure aluminum powder.
Composition of Pure Aluminum Powder
Pure aluminum powder has the following typical composition:
| Element | Weight % |
| Aluminum (Al) | 99%+ |
| Iron (Fe) | 0.35% max |
| Silicon (Si) | 0.10% max |
| Copper (Cu) | 0.05% max |
| Zinc (Zn) | 0.07% max |
| Manganese (Mn) | 0.03% max |
| Magnesium (Mg) | 0.03% max |
| Chromium (Cr) | 0.03% max |
| Others (each) | 0.03% max |
| Others (total) | 0.10% max |
Properties of Pure Aluminum Powder
Pure aluminum powder exhibits the following properties:
| Property | Value |
| Density | 2.70 g/cm3 |
| Melting Point | 660°C |
| Thermal Conductivity | 237 W/m.K |
| Electrical Resistivity | 2.65 microhm-cm |
| Young’s Modulus | 70 GPa |
| Poisson’s Ratio | 0.33 |
| Tensile Strength | 90-115 MPa |
| Elongation | 8-25% |
| Mohs Hardness | 2.75 |
| Oxidation Resistance | Poor |
The low density and softness of aluminum powder make it easy to handle and process for various applications. It has excellent thermal and electrical conductivity. Oxidation resistance is poor and powders require protection from oxidation during storage and use.
Production Methods for Pure Aluminum Powder
There are different production processes used to make pure aluminum powder:
Atomization – Molten aluminum is broken into droplets using gas or water jets which solidify into powder. Gas atomized powder has spherical morphology.
Electrolysis – Aluminum is deposited in powder form from alumina electrolyte. Powder is spongy and irregular shaped.
Milling – Ball milling of aluminum flakes produces flake powders of various sizes and morphologies.
Chemical Methods – Reactions of aluminum compounds produce fine aluminum powders of high purity.
Atomization is the most common method while special techniques are used for ultrafine or nanoscale aluminum powders. Powder characteristics can be controlled by process parameters.
Applications of Pure Aluminum Powder
Pure aluminum powder is used in the following applications:
Protective Coatings – Thermal spray coatings to provide corrosion protection for steel surfaces.
Pyrotechnics – Powder fuel for pyrotechnic compositions due to high flammability.
Fuel Additive – Added to solid rocket propellants and explosives to improve energetic characteristics.
3D Printing – Used in selective laser sintering, direct metal laser sintering (DMLS) additive manufacturing processes.
Printing Inks – Used in conductive inks for printing of circuits, RFID tags, other electronics.
Pigments – Flake and atomized powders for paints, plastics, rubber and other coatings.
Electronics – Pure aluminum bonding wires, contacts, circuits requiring conductivity.
Welding – Used as aluminum powder filler material for welding components and repair.
Specifications of Pure Aluminum Powder
Pure aluminum powder is available under various specifications:
Particle Size: Ranging from 5-150 microns depending on application. Finer atomized powder for AM, coarser grade for coatings.
Purity: From 99% to 99.9% purity based on impurity limits for iron, silicon and other elements.
Morphology: Spherical, irregular and flake type particle shapes. Spherical powder has better flowability.
Coating: Partially oxygen passivated, uncoated and oil coated pure aluminum powders offered.
Grades: Commercial pure, very high purity and technical grades conforming to standards like ASTM B209.
Surface Area: Powder can be tailored as ultrafine nanoscale (up to 20 m2/g) to coarse grades.
Health and Safety When Handling Aluminum Powder
Pure aluminum powder poses some health and safety hazards:
Fine aluminum powder is highly flammable and explosive when suspended in air. Dust explosion risks must be mitigated.
Oxidation is a risk leading to loss of material. Storage in inert atmosphere is recommended.
Aluminum powder should not be heated or used near sparks or ignition sources.
Contact with skin or eyes may cause irritation. Use personal protective equipment.
Inhalation of fine aluminum powders may cause respiratory issues. Use appropriate ventilation and breathing protection.
Aluminum powder wastage and disposal must be handled carefully to avoid contamination.
Inspection and Testing of Aluminum Powder
To ensure quality standards, pure aluminum powder is tested for:
Chemical Composition – Inductively coupled plasma mass spectrometry and optical emission spectroscopy used to verify composition and purity.
Particle Size – Laser diffraction analysis, sieve testing as per ASTM B214 standard used for measurement of particle size distribution.
Morphology – Scanning electron microscopy used to examine shape and surface structure of powder particles.
Flow Rate – Determined as per ASTM B213 using Hall flowmeter funnel. Spherical powder has excellent flowability.
Apparent Density – Measured using gravimetric analysis or Scott volumeter as per ASTM B212.
Specific Surface Area – BET gas absorption method used for measurement of surface area per unit mass, especially for nanoscale powders.
Routine testing ensures consistency in aluminum powder quality and performance.
Comparison of Atomized and Sintered Aluminum Powder
Atomized and sintered aluminum powders differ in production method and properties:
| Parameter | Atomized Al Powder | Sintered Al Powder |
| Production Method | Gas or water atomization of molten aluminum | Compacting and sintering of aluminum powder |
| Particle Morphology | Spherical | Irregular, porous |
| Particle Size | 5 to 150 microns | Under 5 microns |
| Flowability | Excellent | Poor |
| Purity | 99 to 99.9% | Lower |
| Cost | Higher | Lower |
| Applications | Thermal spray, AM | Flash powder, explosives |
Atomized aluminum powder has more controlled characteristics preferred for coatings, AM, electronics. Sintered aluminum is used where ultrafine particle size is required despite lower purity.
FAQs
Q: What is pure aluminum powder used for?
A: Pure aluminum powder is used in protective coatings, pyrotechnics, fuel additives, 3D printing, conductive inks, pigments, welding filler, and other applications requiring unalloyed aluminum properties.
Q: What is the difference between atomized and milled aluminum powder?
A: Atomized aluminum powder has spherical morphology and controlled particle size distribution while milled flake powder has irregular shapes and broader distribution. Atomized powder has better flow and packing density.
Q: How is ultrafine aluminum powder produced?
A: Special production methods like exploding wire process, evaporation-condensation, and high-energy ball milling allow production of aluminum powder with particle sizes below 10 microns.
Q: What safety precautions are needed when handling aluminum powder?
A: Fine aluminum powder is highly flammable. Dust explosion risks must be controlled. Storage in inert gas is recommended. Use proper grounding, ventilation, and PPE when handling aluminum powder.
Q: How is the purity of aluminum powder determined?
A: Spectroscopic analysis like ICP-MS and OES is used to accurately quantify the elemental composition. Purity levels from 99% to 99.9% based on impurity elements like iron, silicon are specified.
Q: Where can I buy pure aluminum powder for electronics applications?
A: High purity aluminum powder with controlled particle size and low impurities suitable for electronics can be purchased from supplier.
Description
Description
Note: For pricing & ordering information, please get in touch with us at sales@nanochemazone.com
Please contact us for quotes on Larger Quantities and customization. E-mail: contact@nanochemazone.com
Customization:
If you are planning to order large quantities for your industrial and academic needs, please note that customization of parameters (such as size, length, purity, functionalities, etc.) is available upon request.
NOTE:
Images, pictures, colors, particle sizes, purity, packing, descriptions, and specifications for the real and actual goods may differ. These are only used on the website for the purposes of reference, advertising, and portrayal. Please contact us via email at sales@nanochemazone.com or by phone at (+1 780 612 4177) if you have any questions.
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| CAS No. | 7429-90-5 |
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| Appearance | White Metal Powder |
| Purity | ≥99%, ≥99.9%, ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM (Can be customized), Ask for other available size range. |
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| Aluminum (Al) | Balance |
| Silicon (Si) | 48-52% |
| Property | Value |
| Density | 2.55 g/cm3 |
| Melting Point | 577°C |
| Ultimate Tensile Strength | 200-300 MPa |
| Elongation | <1% |
| Hardness | 100-120 HB |
| Thermal Conductivity | 50-90 W/m-K |
| CTE | 12-15 x 10<sup>-6</sup>/°C |
| Young’s Modulus | 80-90 GPa |
| Corrosion Resistance | Excellent |
| Applications | Benefits |
| Automotive components | Low density and excellent castability. |
| Aerospace parts | High specific strength, stable dimensions. |
| Electronic substrates | Thermal management, CTE match with ceramics. |
| Mirror blanks | Low density, machinability, stability. |
| Medical implants | Biocompatible, non-toxic, corrosion resistant. |
| Parameter | Options |
| Particle size | 10 – 150 microns |
| Particle shape | Irregular, spherical |
| Apparent density | Up to 2.7 g/cm3 |
| Flow rate | Up to 25 s/50g |
| Purity | Up to 99.7% |
| Alloy variants | AlSi40, AlSi30 |
| Method | Details |
| Additive manufacturing | Excellent geometric freedom for complex shapes. |
| Metal injection molding | High precision net shape capability. |
| Press and sinter | Economical for higher volume simpler shapes. |
| Casting | Leverages excellent fluidity and mold filling behavior. |
| Extrusion | For profiles, rods and tubes. |
| Heat Treatment | Details | Purpose |
| Solution heat treatment | 500-550°C, quench | Dissolve soluble phases |
| Artificial aging | 150-180°C, 5-10 hrs | Precipitation hardening |
| Stress relieving | 250°C, 2 hrs | Remove residual stresses |
| Alloy | AlSi50 | AlSi40 | AlSi30 |
| Fluidity | Highest | High | Medium |
| Castability | Excellent | Very Good | Good |
| Hardness | High | Medium | Low |
| Strength | High | Medium | Low |
| Thermal Conductivity | Medium | High | Highest |
| CTE | Low | Medium | High |
| Cost | High | Medium | Low |
| Manufacturer | Country |
| Binder Metals | Germany |
| CNPC Powder | China |
| Sandvik Osprey | UK |
| Rio Tinto Metal Powders | Canada |
| Valimet Inc | USA |
| ASK Chemicals | USA |
| Hazard | Precautions | PPE |
| Skin/eye contact | Avoid direct contact. Rinse if exposed. | Gloves, goggles |
| Inhalation | Avoid breathing dust. Ensure ventilation. | Respirator |
| Ingestion | Avoid hand-mouth transfer. Wash hands. | – |
| Fire | Use sand. Do not use water. | Protective gear |
| Parameter | Method | Specification |
| Chemical composition | OES, XRF, wet chemistry | Conformance to Al and Si content |
| Particle size distribution | Laser diffraction, sieving | D10, D50, D90 within range |
| Powder morphology | SEM imaging | Shape and flow characteristics |
| Apparent density | Hall flowmeter test | Minimum specified density |
| Flow rate | Hall flowmeter test | Maximum seconds for 50g flow |
| Impurity levels | ICP or LECO analysis | Low oxygen, moisture content |
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AlSi7Mg Powder
| Product | AlSi7Mg Powder |
| CAS No. | N/A |
| Appearance | Gray Powder |
| Purity | ≥99%, ≥99.9%, ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM (Can be customized), Ask for other available size range. |
| Ingredient | Al-7Si-0.3Mg |
| Density | 2.68g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-306/25 |
AlSi7Mg Description:
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Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. AlSi7Mg powder AlSi7Mg powder is an aluminum alloy powder that primarily consists of aluminum (Al), silicon (Si), and magnesium (Mg). The “7” in its name signifies the percentage of silicon, while “Mg” represents the magnesium content. This powder exhibits excellent strength, low density, and impressive thermal properties, making it a preferred choice in multiple industries. Overview of AlSi7Mg Powder AlSi7Mg or A357 alloy is a versatile foundry alloy that possesses properties between pure aluminum and high-silicon hypereutectic alloys. The silicon additions improve castability and enhance mechanical properties while magnesium improves strength. Key characteristics of AlSi7Mg powder include: Good strength and hardness Excellent fluidity and castability Good machinability and polishability High thermal conductivity Good corrosion resistance Low coefficient of thermal expansion Available in range of particle sizes AlSi7Mg powder is used for producing automotive components, hydraulic parts, and other precision castings needing balanced properties. Chemical Composition of AlSi7Mg Powder The typical chemical composition of AlSi7Mg powder is:| Element | Weight % |
| Aluminum (Al) | Balance |
| Silicon (Si) | 6-8% |
| Magnesium (Mg) | 0.4-0.8% |
| Iron (Fe) | 0.15-0.5% |
| Manganese (Mn) | 0.1% max |
| Copper (Cu) | 0.1% max |
| Zinc (Zn) | 0.1% max |
| Titanium (Ti) | 0.25% max |
| Property | Value |
| Density | 2.68 g/cm3 |
| Melting Point | ~600°C |
| Thermal Conductivity | 130-160 W/mK |
| Electrical Resistivity | 3-5 μΩ.cm |
| Young’s Modulus | 70-80 GPa |
| Poisson’s Ratio | 0.33 |
| Tensile Strength | 250-300 MPa |
| Yield Strength | 140-180 MPa |
| Elongation | 4-8% |
| Hardness | 80-100 Brinell |
| Parameter | AlSi7Mg | AlSi10Mg |
| Silicon content | 6-8% | 9-11% |
| Strength | Lower | Higher |
| Castability | Comparable | Comparable |
| Corrosion resistance | Good | Excellent |
| Cost | Lower | Higher |
| Applications | Castings, MIM | Aerospace, AM parts |
| Availability | Readily available | Moderate |
AlSiMg Powder
AlSiMg Powder
| Product | AlSiMg Powder |
| CAS No. | 7429-90-5 |
| Appearance | Silvery-White Powder |
| Purity | ≥99%, ≥99.9%, ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM (Can be customized), Ask for other available size range. |
| Ingredient | Al-7Si-0.3Mg |
| Density | 2.7g/cm3 |
| Molecular Weight | N/A |
| Product Codes | NCZ-DCY-309/25 |
AlSiMg Description:
AlSi50 Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricingAlSiMg Powder Related Information :
Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. AlSiMg Powder Our company’s gas atomized AlSiMg powder, good sphericity, low oxygen content, good fluidity.at present, aluminum alloys used in metal 3D printing mainly include AlSi12 and AlSi10Mg,they are lightweight additive metal powders with good thermal properties. It can be applied to thin-wall parts such as heat exchangers and other automotive parts, and also can be applied to aerospace and aerospace industrial grade prototype and production parts. Our company’s gas atomized AlSiMg powder, good sphericity, low oxygen content, good fluidity.at present, aluminum alloys used in metal 3D printing mainly include AlSi12 and AlSi10Mg,they are lightweight additive metal powders with good thermal properties. It can be applied to thin-wall parts such as heat exchangers and other automotive parts, and also can be applied to aerospace and aerospace industrial grade prototype and production parts; The silicon/magnesium combination gives aluminum alloy strength and hardness, making it suitable for thin-walled and complex geometries, especially in applications with good thermal properties and low weight. Due to its superior performance of light weight and high strength, magnesium aluminum alloy has been widely used in the lightweight demand of manufacturing industry. In 3D printing technology, it has also become the preferred candidate material of various manufacturers without exception Product Specification| Component | Al | Si | Mg | Fe | Pb | Ni |
| Standard % | Bal, | 9.0-12.0 | 0.25-0.45 | ≤0.55 | ≤0.05 | ≤0.05 |
| Test% | Bal. | 10.26 | 0.37 | 0.13 | 0.02 | 0.01 |
| Component | Ti | Mn | Cu | Zn | O | |
| Standard % | ≤0.01 | ＜0.01 | − | − | − | |
| Test% | 0.005 | 0.005 | 0.01 | 0.01 | 0.059 |
| Size (um) | Flowability(s/50g) | PSD (um) | ||
| D10 | D50 | D90 | ||
| 15-45um | ＜90 | 15-25 | 30-35 | 40-50 |
| 15-53um | ＜90 | 15-21 | 25-30 | 45-55 |
| 45-120um | ＜50 | 53-57 | 89-93 | 144-152 |
Aluminum Alloy Powder
Aluminum Alloy Powder
| Product | Aluminum Alloy Powder |
| CAS No. | 7429-90-5 |
| Appearance | Silvery-White Powder |
| Purity | ≥99%, ≥99.9%, ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM (Can be customized), Ask for other available size range. |
| Ingredient | Al |
| Density | 2.6-2.8g/cm3 |
| Molecular Weight | 26.98g/mol |
| Product Codes | NCZ-DCY-310/25 |
Aluminum Alloy Description:
Aluminum Alloy Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricing Aluminum Alloy Powder Related Information : Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. Aluminum alloy series The aluminum alloy family is a family of materials with a variety of unique properties and areas of application. Their characteristics mainly depend on the alloying elements contained in them and their proportions. These ranges offer a wide range of opportunities to meet the needs of different industries. Let’s explore the features and typical applications of each series to better understand how to choose the best aluminum alloy material for your project.| Product | Specification | Apparent Density | Flow Ability | Oxygen Content | Tensile Strength | Yield Strength | Elongation |
| AISi10Mg | 15-53µm 45-105µm 75-150µm | ≥1.35g/cm³ | ≤80s/50g | ≤300ppm | 300±20Mpa | 200±20Mpa | 20±2% |
| AMgScZr | ≥1.30g/cm³ | ≤80s/50g | ≤300ppm | 545±20Mpa | 500±20Mpa | 10±2% | |
| AK400 (can be anodized) | ≥1.30g/cm³ | ≤80s/50g | ≤300ppm | 430±20Mpa | 300±20Mpa | 10±2% | |
| Pure aluminum powder (purity 99.8%) | ≥1.20g/cm³ | ≤100s/50g | ≤1000ppm | \ | \ |
Pure Aluminum Powder
Pure Aluminum Powder
| Product | Pure Aluminum Powder |
| CAS No. | 7429-90-5 |
| Appearance | Silvery White to Grayish Powder |
| Purity | ≥99%, ≥99.9%, ≥95%(Other purities are also available) |
| APS | 1-5 µM, 10-53 µM (Can be customized), Ask for other available size range. |
| Ingredient | Al |
| Density | 2.7g/cm3 |
| Molecular Weight | 26.98g/mol |
| Product Codes | NCZ-DCY-313/25 |
Pure Aluminum Description:
Pure Aluminum Powder is one of the numerous advanced ceramic materials manufactured by Nanochemazone. Nanochemazone produces too many standard grades when applicable, including Mil Spec (military grade); ACS, Reagent and Technical Grade; Food, Agricultural and Pharmaceutical Grade; Optical Grade, USP and EP/BP (European Pharmacopoeia/British Pharmacopoeia) and follows applicable ASTM testing standards. Typical and custom packaging is available. Additional technical, research and safety (MSDS) information are available. Please request a quote above for more information on lead time and pricingAluminum Powder Related Information :
Storage Conditions: Airtight sealed, avoid light and keep dry at room temperature. Please contact us for customization and price inquiry Email: contact@nanochemazone.com Note: We supply different size ranges of Nano and micron as per the client’s requirements and also accept customization in various parameters. Pure aluminum powder Pure aluminum powder contains 99% or higher aluminum content. It provides low density combined with good ductility, conductivity, and corrosion resistance. Overview of Pure Aluminum Powder Pure aluminum powder contains 99% or higher aluminum content. It provides low density combined with good ductility, conductivity, and corrosion resistance. Key properties and advantages of pure aluminum powder include: Pure Aluminum Powder Properties and Characteristics| Properties | Details |
| Composition | 99% or higher Al content |
| Density | 2.7 g/cc |
| Particle shape | Spherical, irregular |
| Size range | 1-150 microns |
| Apparent density | Up to 50% of true density |
| Conductivity | Excellent electrical and thermal conductivity |
| Corrosion resistance | Good due to protective oxide layer |
| Element | Weight % |
| Aluminum (Al) | 99% min |
| Silicon (Si) | 0.5% max |
| Iron (Fe) | 0.5% max |
| Copper (Cu) | 0.05% max |
| Manganese (Mn) | 0.05% max |
| Magnesium (Mg) | 0.05% max |
| Other impurities | 0.05% max |
| Property | Values |
| Density | 2.7 g/cc |
| Melting point | 660°C |
| Thermal conductivity | 237 W/mK |
| Electrical resistivity | 2.65 μΩ-cm |
| CTE | 23.1 x 10^-6 /K |
| Reflectivity | 87% at 400 nm wavelength |
| Property | Values |
| Tensile strength | 90-100 MPa |
| Yield strength | 35-45 MPa |
| Elongation | 35-40% |
| Hardness | 25-35 HB |
| Fatigue strength | 50-90 MPa |
| Shear strength | 60-65 MPa |
| Industry | Uses |
| Thermite welding | Rail welding, metal joining |
| Additive manufacturing | Low strength components |
| Explosives and pyrotechnics | Thermite compositions |
| Powder coatings | Conductive and resistant coatings |
| Diamond tools | Metal matrix with diamond particles |
| Fireworks | Fuel and pyrotechnic compositions |
| Standard | Description |
| ASTM B787 | Standard for pure aluminum powders |
| ASTM B859 | Specs for aluminum and aluminum alloy powders |
| DIN 1718-1 | Designation system for aluminum and aluminum alloys |
| GJB320B | Chinese military standard for aluminum and aluminum alloy powders |
| Size | Characteristics |
| 1-10 microns | Ultrafine grade used in printing pastes |
| 10-45 microns | Fine grade suitable for coatings, pressing |
| 45-150 microns | Coarse grade offers better flowability |
| Apparent Density | Details |
| Up to 50% of true density | For irregular morphology powder |
| 1.3-1.7 g/cc | Higher for spherical powder |
| Method | Details |
| Atomization | Molten aluminum stream broken into fine droplets that solidify into powder |
| Ball milling | Mechanical milling classifies coarse powder into fine powder |
| Annealing | Removes internal stresses and improves powder compressibility |
| Sieving | Classifies powder into different size fractions |
| Recommendation | Reason |
| Use proper ventilation | Avoid concentrated dust environment |
| Employ grounding systems | Prevent static discharge during handling |
| Limit moisture exposure | Prevents oxidation of particles |
| Follow safe protocols | Reduce health and fire hazards |
| Avoid ignition sources | Flammable powder risk |
| Use non-sparking tools | Prevent possibility of ignition |
| Test | Details |
| Chemical analysis | XRF or ICP testing verifies composition |
| Particle size distribution | Laser diffraction analysis |
| Apparent density | Hall flowmeter test per ASTM B212 standard |
| Powder morphology | SEM imaging of particle shape |
| Flow rate analysis | Gravity flow rate through specified funnel |
| Moisture measurement | Loss on drying test |
| Parameter | Pure Al | Al-Mg |
| Density | 2.7 g/cc | 2.7 g/cc |
| Strength | 90-100 MPa | 150-220 MPa |
| Conductivity | Excellent | Good |
| Corrosion resistance | Good | Excellent |
| Cost | Low | High |
| Uses | Thermite welding, pyrotechnics | Structural components |
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