Koppar C17510 Pulver

Koppar C17510-pulver är ett kopparbaserat legeringspulver som innehåller nickel, kisel och krom som sina huvudsakliga legeringselement. Den är känd för att ha hög hållfasthet, god korrosionsbeständighet, utmärkt lödbarhet samt hög termisk och elektrisk ledningsförmåga.

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Översikt

Koppar C17510-pulver är ett kopparbaserat legeringspulver som innehåller nickel, kisel och krom som sina huvudsakliga legeringselement. Den är känd för att ha hög hållfasthet, god korrosionsbeständighet, utmärkt lödbarhet samt hög termisk och elektrisk ledningsförmåga.

Some key properties and characteristics of Copper C17510 powder include:

Sammansättning

  • Copper – Balance
  • Nickel – 9-11%
  • Silicon – 3-4%
  • Chromium – 0.3-1.2%

Egenskaper

  • Hög hållfasthet och hårdhet
  • Utmärkt korrosionsbeständighet
  • Great brazeability
  • Hög termisk och elektrisk ledningsförmåga
  • God slitstyrka

Partikelstorlek

  • Typically under 325 mesh (<44 μm)
  • Custom particle sizes available

Produktionsmetoder

  • Atomisering av gas
  • Atomisering av vatten

Tillämpningar

  • Brazing pastes and preforms
  • Thermal management interfaces
  • Elektriska kontakter och anslutningar
  • Slitstarka beläggningar

Sammansättning

The composition of Copper C17510 allows it to have a unique combination of strength, conductivity, and brazeability. Here are more details on the composition:

Copper (Balance)

  • Provides excellent thermal and electrical conductivity as the base metal
  • Enables good ductility for formability in applications

Nickel (9-11%)

  • Increases strength through solid solution strengthening
  • Contributes to corrosion resistance
  • Helps maintain conductivity

Silicon (3-4%)

  • Aids flowability for improved brazeability
  • Increases corrosion resistance
  • Can enable precipitation strengthening

Chromium (0.3-1.2%)

  • Improves high temperature strength
  • Enhances corrosion resistance especially in reducing environments

Trace amounts of magnesium, aluminum, zinc, lead, tin, iron, phosphorus, carbon are typically present. Tight controls on composition within specified ranges is necessary to achieve consistent properties.

Egenskaper och kännetecken

Copper C17510 stands out for its well-balanced material properties making suitable for high performance applications:

Mekaniska egenskaper

Fastighet Värde
Draghållfasthet 550-750 MPa
Utbyteshållfasthet ≥ 380 MPa
Töjning 3-10%
Hårdhet ≥ 150 HB
  • High strength from nickel and alloy strengthening
  • Good ductility for moderate formability

Fysikaliska egenskaper

Fastighet Värde
Täthet 8,8 g/cm3
Smältpunkt 1020-1050°C

Termiska egenskaper

Fastighet Värde
Termisk konduktivitet 50-100 W/m-K
Koefficient för termisk expansion 17 x 10-6 K-1
  • Excellent thermal conductivity for heat transfer

Elektriska egenskaper

Fastighet Värde
Elektrisk resistivitet ≤ 0.05 ohm-cm
Elektrisk konduktivitet ≥ 20 MS/m
  • High electrical conductivity from copper

Brazing Properties

Fastighet Värde
Liquidus Temperature 1020-1040°C
Solidus Temperature 980-1000°C
  • Low brazing temperature
  • Excellent flowability and gap bridging

Motståndskraft mot korrosion

  • Good resistance to atmospheric environments
  • Suitable for indoor and mild outdoor exposure
  • Chromium improves resistance especially in reducing conditions

Slitstyrka

  • Good erosion, abrasion, and fretting resistance
  • Can be further enhanced through heat treatment

Tillämpningar

The balanced material properties of copper C17510 powder make it well suited for the following applications:

Lödning

Copper C17510 is used in making brazing pastes and preformed shapes due to its low brazing temperature, excellent flow and gap fill capabilities.

Typical brazes include:

  • Copper, brass, bronze
  • Steels, stainless steels
  • Nickellegeringar
  • Tungstenskarbid

It is widely used to join components in:

  • Värmeväxlare
  • Oil coolers
  • Electronic devices
  • Skärande verktyg

Benefits for brazing:

  • Excellent flowability and wetting
  • Good gap bridging ability
  • Uniform joint interfaces
  • High joint strength
  • Does not require flux with proper joint preparation

Thermal Management

C17510 finds use in thermal management applications thanks to its high thermal conductivity coupled with good strength:

  • Kylflänsar
  • Heat spreaders
  • Thermal interface materials (TIMs)

It enables excellent heat dissipation in electronics cooling and thermal transfer processes. Can be integrated as Cu-C17510 coatings, structures or composites on device surfaces or heat sinks.

Benefits for thermal management:

  • Greater ability to transfer heat than aluminum or copper alone
  • Well-bonded metallurgical coatings for improved efficiency
  • Withstands thermal cycling without degradation
  • Ease of forming complex shapes

Elektriska kontakter

The alloy is applied in electrical components like:

  • Connectors
  • Relays
  • Switches

It provides high electrical conductivity to allow signals and currents to pass through while having good strength, hardness and wear resistance to withstand repetitive contact forces over time.

Benefits for electrical contacts:

  • Excellent electrical conductivity minimizes power losses
  • Resists welding, arcing, and sticking of contacts
  • Maintains surface smoothness and low contact resistance after prolonged use
  • Tolerates occasional arcs without significant erosion

Protective Coatings

Copper C17510 coatings provide good wear protection in:

  • Lager
  • Bussningar
  • High pressure valves
  • Landing gear components

The coatings act sacrificially under impact, abrasion, or chemical attack preventing wear on critical substrate surfaces.

Benefits as protective coatings

  • Harder than regular copper providing wear resistance
  • Withstands repetitive contact and impact
  • Chemically compatible with ferrous alloys
  • Retards galling and adhesive wear failure modes
  • Restores dimensions of worn components

Copper C17510 Powder Specifications

Copper C17510 powder products are available in different size ranges, morphologies, and types to suit various application needs:

Fördelning av partikelstorlek

Mesh Range Partikelstorlek
-100 < 149 μm
-140 <105 μm
-200 <74 μm
-325 <44 μm
-400 <38 μm
  • Tighter size distributions for precise dispensing
  • Chemically inert gas atomized spherical types preferred for brazing
  • Fine irregular powder for thermal spray coatings

Morfologi

  • Spherical – Gas atomized
  • Irregular flakes – Water atomized
  • Mixed shapes – Crushed powders

Common Types

Typ Syrehalt Produktionsmetod Form
CuCr10Ni10 <100 ppm Atomiserad gas Sfärisk
CuCr10Ni10 <300 ppm Vatten som finfördelas Irregular flakes
CuCr10Ni10 >1000 ppm Crushed Mixed morphology

Product Standards

  • ASTM B751
  • Other national and international standards
  • Manufacturer specifications

Quality Checks

  • Composition verification via spectrometry
  • Particle size analysis using laser diffraction
  • Morphology checks under SEM
  • Powder flow rate measurement
  • Apparent and tap density values
  • Checks for satellite particles

Förpackning

  • 1 to 25 kg plastic bottles in boxes
  • Double sealed metal drums up to 500 kg
  • Vacuum sealed foil bags

Förvaring

  • Store in cool, dry environments
  • Sealed containers to prevent contamination
  • Avoid direct sunlight, excessive moisture, oxygen

Copper C17510 Powder Suppliers

Some leading global suppliers of copper C17510 alloy powder include:

Företag Produktionsmetoder Morfologi Partikelstorlekar Varumärken
SCM Metallprodukter Atomiserad gas Sfärisk -100 to -325 mesh Xuperloy
Atlantic Equipment Engineers Gas och vatten finfördelas Spherical and irregular -100 to -325 mesh Aeeloy
Kymera International Atomiserad gas Sfärisk -100 to -325 mesh Kinectiq
Sandvik Osprey Atomiserad gas Sfärisk -100 to -400 mesh Osprey
Hoganas Atomiserad gas Sfärisk -100 to -325 mesh Hoganas

Copper C17510 Powder Pricing

Pricing for copper C17510 powder products depends on several factors:

Typ av pulver

  • Chemistry – Prices increase for lower oxygen and tighter chemistry controls
  • Production Method – Gas atomized powder commands higher pricing over crushed types
  • Particle Size – Finer powders are more expensive to manufacture

Kvantitet

  • Prices decrease significantly on bulk orders due to economy of scale
  • Small prototyping quantities are expensive

Kvalitetsstandarder

  • Military grade powder certified to additional tests and standards is more costly
  • Powder meeting industrial specifications carries moderate pricing

Supply and Demand

  • Availability issues can increase pricing
  • Long term contracts in high volumes offer best pricing
Pulverkvalitet Partikelstorlek Kvantitet Prisintervall
Industrial Quality -325 maskor 1-5 kg €100-€300 per kg
| -325 maskor 25-100 kg €50-€150 per kg
Military Grade -400 Mesh 1 kg €800-€1200 per kg
| -400 Mesh 100 kg €300-€600 per kg

In general, Copper C17510 powder costs between $50-150 per kg in small quantities, with the price dropping considerably for bulk orders. Get instant quotes from suppliers to know exact pricing based on your specific material, quality and quantity requirements.

Comparing Copper C17510 Powder to Alternatives

Copper C17510 stands out among other copper alloys and materials for brazing, thermal management, and electrical components due to its balanced set of material properties. Here is how it compares:

Versus Pure Copper

Fastighet Copper C17510 Ren koppar
Styrka Much higher Låg
Hårdhet Högre Mjuk
Motståndskraft mot korrosion Better due to Ni and Cr Dålig
Oxideringsbeständighet Bättre Dålig
Termisk konduktivitet Något lägre Högre
Elektrisk konduktivitet Något lägre Högre
Slitstyrka Bättre Dålig
Brazeability Liknande Bra
Pris Högre Lägre

Copper C17510 Advantages:

  • Significantly stronger and harder while maintaining good conductivity
  • Far superior corrosion, oxidation, and wear resistance
  • Matches brazeability of pure copper

Copper C17510 Disadvantages:

  • More expensive than pure copper powder
  • Lower thermal and electrical conductivity

Versus Other Copper Alloys

The combination of strength, conductivity, brazeability sets Copper C17510 apart from other common alloys:

Legering Viktiga funktioner
Brass (Cu-Zn) Low melting point good ductility
Bronze (Cu-Sn) High strength hardness wear resistance
Copper-Nickel (Cu-Ni) Utmärkt korrosionsbeständighet
Copper C17510 (Cu-Ni-Si-Cr) Strength + conductivity + brazeability

Advantages over other alloys:

  • Simultaneously optimized mechanical, electrical and thermal properties unavailable in other alloys
  • Lower brazing temperature than bronzes and brasses
  • Less prone to solidification cracking than Cu-Ni alloys

Disadvantages relative to alloys:

  • Less formability than brasses
  • Less wear resistance than complex bronzes
  • Inferior corrosion resistance to Cu-Ni in highly aggressive conditions

So in applications needing the exact combination of strength, conductivity, and brazeability, Copper C17510 outperforms other alloy alternatives.

Copper C17510 Powder Uses

Here are some of the detailed uses and applications of copper C17510 powder in various industries:

Elektronik

  • Braze preforms for semi-conductor packaging
  • Lid seals, leadframe bonding
  • Base plate bonding in power electronics
  • Thermal interface material coatings on PCBs
  • EMI/RFI shielding

Fordon

  • Joining components in manifold exhaust gas recirculation coolers
  • Electrical connector tabs and rivets
  • Bonding heat sinks and heat spreaders
  • Water cooled electronics bonding

Flyg- och rymdindustrin

  • Turbine blade braze repair
  • Thermal management structures with integrated cooling channels
  • Satellite component bonding
  • Resisting fretting wear in cryocoolers

Tillverkning

  • Tooling component brazing
  • Repairing molds using brazed CuCr powders
  • Custom furnace part fabrication
  • Wear resistant inserts in steel making

Medicinsk

  • Metallization layer in X-ray tube rotating anodes
  • Brazed feedthrough assemblies
  • Biocompatible sterilization resistant surfaces

Försvar

  • Fuse elements in munitions
  • Joining stainless steel radial coolant tubes
  • Corrosion resistant connectors

VANLIGA FRÅGOR

Here are answers to some common questions about C17510 powder:

Q. What particle size of Copper C17510 is best for brazing applications?

A. For most brazing applications, -325 mesh (<44 μm particle size) provides optimal flow properties and joint strength. Finer powders down to -400 mesh can offer better surface coverage.

Q. Does C17510 powder require flux for brazing?

A. Quality gas atomized C17510 powder with low oxygen levels allows fluxless brazing for most similar and dissimilar metal joints. Proper part fit up and surface preparation is necessary.

Q. What are the effects of nickel, silicon and chromium on properties?

A. Nickel increases strength without compromising conductivity. Silicon aids braze flow and marginally improves corrosion performance. Chromium enhances oxidation and corrosion resistance in service environments.

Q. What is the difference between gas and water atomized powder?

A. Gas atomization produces fine spherical powders preferred for brazing while water atomization yields irregular flakes suited for thermal spray. However, both find application depending on intended use.

Q. Why choose C17510 versus alternate alloys?

A. The blend of strength, thermal and electrical conductivity combined with excellent brazeability offered by C17510 is unparalleled by other common copper based alloys which lack this balance.

Q. Is copper C17510 powder recyclable?

A. Yes, copper alloy scrap powder and solid materials can effectively be recycled to yield good quality powders for reuse. Ability to recycle waste powder improves cost efficiency.

Q. What alloy powder particle shape is preferred for additive manufacturing?

A. For binder jetting and powder bed fusion AM processes, spherical gas atomized powder with good flowability and tight particle size distribution offers best results for high density parts.

Q. What are common applications for CuCr10Ni10 powder?

A. Key uses are in brazing of similar and dissimilar metals, thermal management coatings and structures in electronics, and electrical contact components due to its unique blend of properties.

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