Invar 36 Spherical Iron-Nickel Alloy Powder: Unmatched Stability for Extreme Conditions

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Overview of Invar 36 Spherical Iron-Nickel Alloy Powder

When it comes to materials with minimal thermal expansion, Invar 36 Spherical Iron-Nickel Alloy Powder is a true standout. If you’re working in industries such as flyg- och rymdindustrin, elektronik, eller precision instruments, this unique alloy is probably on your radar. Why? Because Invar 36 has an incredibly low coefficient of thermal expansion (CTE), which means it barely changes size when exposed to temperature variations. Imagine a material that stays stable in extreme heat or cold—sounds like a dream, right?

But why is this so important? Picture a telescope lens that shifts ever so slightly when it heats up, throwing off measurements by a fraction of a degree. That’s unacceptable in precision engineering. This is where Invar 36 comes into play, keeping things steady when temperature fluctuations would otherwise cause chaos.

I den här omfattande guiden går vi igenom allt du behöver veta om Invar 36 Spherical Iron-Nickel Alloy Powder. Från dess sammansättning och fastigheter till sin tillämpningar, Specifikationer, och prissättning, we’ve got all the details covered. Whether you’re an engineer, a researcher, or just curious about innovative materials, read on to discover how Invar 36 can elevate your projects.


Composition and Key Properties of Invar 36 Spherical Iron-Nickel Alloy Powder

What Makes Up Invar 36?

Magin bakom Invar 36’s unique properties lies in its carefully balanced iron-nickel composition. The alloy typically contains about 36% nickel, hence the name “Invar 36,” with the remaining composition primarily being järn. This balance is what gives the material its exceptional dimensional stability över ett brett spektrum av temperaturer.

Here’s a closer look at the typical composition of Invar 36 Spherical Iron-Nickel Alloy Powder:

ElementProcentuell sammansättning
Nickel (Ni)36%
Järn (Fe)Balance (~64%)
Kol (C)≤ 0,05%
Mangan (Mn)≤ 0.60%
Kisel (Si)≤ 0.35%
Svavel (S)≤ 0.01%
Fosfor (P)≤ 0,02%
Krom (Cr)≤ 0,25%

Key Properties of Invar 36 Spherical Iron-Nickel Alloy Powder

What really sets Invar 36 apart from other materials is its incredibly low thermal expansion. However, that’s not the only trick up its sleeve. It also boasts excellent mechanical strength, god bearbetbarhet, och magnetiska egenskaper at lower temperatures. Let’s break down the most important properties:

FastighetVärde
Coefficient of Thermal Expansion (CTE)~1.2 x 10^-6 /°C (between -100°C to 100°C)
Täthet8,1 g/cm³
Termisk konduktivitet10.2 W/m·K
Draghållfasthet490 MPa
Utbyteshållfasthet240 MPa
Smältpunkt1430°C
Elektrisk resistivitet84 µΩ·cm

Varför dessa egenskaper är viktiga

  • Low Coefficient of Thermal Expansion (CTE): The standout feature of Invar 36 is its minimal thermal expansion. This makes it ideal for applications requiring high precision, where even the slightest dimensional change could lead to errors.
  • Draghållfasthet: Despite its low expansion, Invar 36 is surprisingly strong, with a draghållfasthet of 490 MPa. This means it can withstand significant stress without deforming.
  • Magnetiska egenskaper: Medan Invar 36 is non-magnetic at higher temperatures, it exhibits ferromagnetic properties at lower temperatures, making it useful in specific magnetic shielding applications.
  • Bearbetbarhet: Although it’s an iron-nickel alloy, Invar 36 is relatively easy to machine, making it suitable for various tillverkningsprocesser.

Applications of Invar 36 Spherical Iron-Nickel Alloy Powder

Where Is Invar 36 Used?

De unika egenskaperna hos Invar 36 make it an indispensable material in industries where dimensional stability is critical. From flyg- och rymdindustrin till elektronik och precision instruments, this material has found its way into some of the most demanding applications.

Vanliga tillämpningar inom olika branscher

IndustriTillämpningar
Flyg- och rymdindustrinSatellite components, telescope mirrors, precision instruments
ElektronikShadow masks for CRTs, precision springs, circuit boards
Optical DevicesLaser equipment, lens mounts, optical devices requiring extreme accuracy
CryogenicsComponents that operate at extremely low temperatures
Scientific InstrumentsPrecision measuring devices, interferometers, and other lab equipment
KraftgenereringComponents in turbines and generators that experience temperature fluctuations

Aerospace: Stability for Satellites and Telescopes

I flyg- och rymdindustrin, Invar 36 används ofta i satellites och telescopes. Why? Because these applications require materials that won’t expand or contract significantly when exposed to the extreme temperatures of space. Imagine a satellite shifting just a tiny bit due to thermal expansion—that could lead to misalignment in critical systems. Invar 36 helps prevent these issues.

Electronics: Precision in Every Circuit

I en värld av elektronik, Invar 36 används i shadow masks för cathode ray tubes (CRTs) and precision components like fjädrar och kretskort. The low thermal expansion ensures that electrical components stay in place, even when temperatures fluctuate, leading to longer-lasting, more reliable devices.

Cryogenics: Reliable Performance in the Coldest Conditions

Cryogenic systems operate at extremely low temperatures, where most materials become brittle or undergo significant dimensional changes. Invar 36, however, maintains its stability and strength, making it ideal for cryogenic components such as storage tanks, piping, and other equipment exposed to liquid nitrogen och helium.


Specifications, Sizes, and Standards for Invar 36 Spherical Iron-Nickel Alloy Powder

När du väljer Invar 36 Spherical Iron-Nickel Alloy Powder, it’s essential to understand the available Specifikationer, storlekar, och standarder. This ensures you’re getting the right material for your specific application, whether it’s for additiv tillverkning, pulvermetallurgi, eller beläggningsapplikationer.

Specifications and Sizes Available for Invar 36 Powder

SpecifikationDetaljer
Partikelstorlek15-45 µm, 45-105 µm, 105-150 µm
Renhet≥ 99.0%
Bulkdensitet4.5 – 5.0 g/cm³
Flödeshastighet25 – 30 s/50g
Sfäriskhet> 0.95
Termisk konduktivitet10.2 W/m·K
ISO-standarderISO 15156 (Materials for H2S environments)

Varför specifikationer är viktiga

  • Partikelstorlek: Den Partikelstorlek of the powder can affect its flowability and packing density, which is critical for processes like additiv tillverkning och pulvermetallurgi.
  • Renhet: High-purity powders (≥ 99.0%) ensure that the material performs consistently, especially in applications requiring dimensional stability och korrosionsbeständighet.
  • Sfäriskhet: A high sfäriskhet ensures excellent flowability and packing density, making it ideal for 3D-utskrifter och formsprutning av metall.

Suppliers and Pricing for Invar 36 Spherical Iron-Nickel Alloy Powder

Vid inköp Invar 36 Spherical Iron-Nickel Alloy Powder, it’s crucial to find a reliable supplier who can provide high-quality powder at a competitive price. Let’s take a look at some of the top suppliers and their current pricing.

Suppliers and Pricing Information for Invar 36 Powder

LeverantörPrisintervall (per kg)Anteckningar
Leverantör A$200 – $250Specializes in fine powder for additive manufacturing
Leverantör B$220 – $260Offers a wide range of particle sizes for powder metallurgy
Leverantör C$210 – $270Bulk pricing available for large industrial orders
Leverantör D$230 – $280Focuses on high-purity powders for precision instruments

Faktorer som påverkar prissättningen

  • Partikelstorlek: Finer powders (15-45 µm) generally cost more due to the additional processing required to achieve the desired size and shape.
  • Renhet: High-purity powders tend to be more expensive, as they undergo additional refinement to remove impurities that could affect performance in sensitive applications.
  • Bulkbeställningar: If you’re purchasing large quantities, many suppliers offer bulk discounts, which can significantly reduce the cost per kilogram.

Advantages and Limitations of Invar 36 Spherical Iron-Nickel Alloy Powder

Varje material har sina styrkor och svagheter, och Invar 36 Spherical Iron-Nickel Alloy Powder is no different. Let’s take a closer look at the Fördelar och Begränsningar of using this unique alloy powder.

Advantages of Invar 36 Spherical Iron-Nickel Alloy Powder

FördelVarför det är viktigt
Minimal Thermal ExpansionEnsures dimensional stability in temperature-sensitive applications.
Hög hållfasthetProvides excellent mechanical properties, even at extreme temperatures.
God bearbetbarhetCan be easily machined, making it versatile for various manufacturing processes.
Magnetiska egenskaperUseful in applications requiring magnetic shielding.

Limitations of Invar 36 Spherical Iron-Nickel Alloy Powder

BegränsningVarför det är viktigt
Hög kostnadMore expensive than other alloys, particularly when purity and specific particle sizes are required.
Limited to Specific Temperature RangesThe low thermal expansion is most effective within a defined temperature range (-100°C to 100°C).
Motståndskraft mot korrosionWhile it performs well in certain environments, Invar 36 is not as corrosion-resistant as some other nickel-based alloys like Hastelloy.

Frequently Asked Questions (FAQs) About Invar 36 Spherical Iron-Nickel Alloy Powder

If you still have questions about Invar 36 Spherical Iron-Nickel Alloy Powder, don’t worry. Below, we’ve answered some of the most commonly asked questions to help clarify any lingering doubts.

FrågaSvar
What is Invar 36 Spherical Iron-Nickel Alloy Powder used for?It’s commonly used in flyg- och rymdindustrin, elektronik, cryogenics, och scientific instruments where dimensional stability is critical.
Why is Invar 36 special?Its standout feature is its extremely low thermal expansion, making it ideal for precision applications where temperature fluctuations would cause issues in other materials.
Is Invar 36 magnetic?Ja, Invar 36 exhibits ferromagnetic properties at lower temperatures, which can be useful in magnetic shielding applications.
How much does Invar 36 powder cost?Priserna varierar vanligtvis från $200 to $280 per kg, beroende på Partikelstorlek och renhet.
Can Invar 36 be used in high-temperature applications?Yes, it can handle temperatures up to 1430°C, but its low thermal expansion is most effective between -100°C and 100°C.
What industries benefit most from Invar 36 powder?Industrier som flyg- och rymdindustrin, elektronik, cryogenics, och precision instruments benefit the most due to the material’s dimensional stability och styrka.

Slutsats

To wrap things up, Invar 36 Spherical Iron-Nickel Alloy Powder is a remarkable material that excels in applications requiring dimensional stability och låg termisk expansion. Its unique balance of järn och nickel gives it properties that are hard to find in other materials, making it a go-to choice for industries like flyg- och rymdindustrin, elektronik, och cryogenics.

Den levereras visserligen med en högre prislapp compared to other alloys, the benefits it offers—such as precision, stabilitet, och styrka—make it well worth the investment for many industries. Whether you’re designing a satellite, building a scientific instrument, or working on a cryogenic system, Invar 36 could be the key to ensuring your project’s success.

Så, är Invar 36 Spherical Iron-Nickel Alloy Powder the right material for your next project? If dimensional stability och temperature resistance are your top priorities, then the answer is a resounding ja!

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