Titanbelagt diamantpulver
Innehållsförteckning
Diamond powder is widely used in industrial applications as an abrasive material due to its extreme hardness. However, diamond has certain limitations. By coating diamond particles with titanium, some enhanced properties can be achieved.
Översikt över Titanbelagt diamantpulver
Titanium coated diamond powder refers to diamond particles that have a coating of titanium metal applied to their surface. This composite material combines the hardness of diamond with beneficial properties imparted by the titanium coating.
Benefits of Titanium Coating on Diamond Powder:
- Improves bonding between diamond particles and metal matrix in diamond tools
- Provides corrosion resistance
- Alters friction coefficients
- Can enable higher working temperatures
- Adjusts electrical conductivity
- Changes thermal conductivity
Key Properties of Titanium Coated Diamond Powder:
Hårdhet | Up to 10,000 HV (diamond hardness) |
Beläggningens tjocklek | 1 – 5 microns typically |
Coating Process | Kemisk förångningsdeposition (CVD) |
Färg | Mörkgrå till svart |
Bonding | Carbide bonding between Ti and diamond |
Particle Sizes Available:
- Nanodiamond powder (< 1 micron)
- Microdiamond powder (1 – 60 microns)
- Macrocrystalline powder (60+ microns)
Sammansättning av Titanbelagt diamantpulver
Titanium coated diamond powder consists of a diamond particle core with a titanium coating applied to the outer surface.
Komponent | Detaljer |
Diamond Core | Natural or synthetic diamond powder |
Titanium Coating | Titanium metal, thickness under 5 microns typically |
Coating Process | Chemical vapor deposition (CVD) |
The coating thickness, uniformity, and quality determine the material properties and performance. Advanced coating processes allow control of these parameters.
Egenskaper och kännetecken
Titanium coated diamond particles exhibit a unique combination of the extreme hardness and thermal properties of industrial diamond along with the corrosion resistance, friction coefficients, and other benefits imparted by the titanium metal coating.
Viktiga egenskaper:
Hårdhet | Up to 10,000 HV (diamond hardness) |
Styrka | Extremely high compressive and shear strength |
Slitstyrka | Highest degree of abrasion resistance |
Motståndskraft mot korrosion | Excellent due to titanium coating |
Termisk konduktivitet | 1200-2320 W/mK |
Temperatur vid drift | Up to ~1100°C in air |
Kemisk beständighet | Highly inert, resistant to acids/alkalis |
Friction Coefficient | Can be engineered via Ti coatings |
Elektrisk konduktivitet | Can be tailored based on Ti thickness |
Viktiga egenskaper:
- Composite of diamond core for hardness and titanium metal coating
- Coating provides corrosion protection, oxidation resistance
- Alters frictional behavior compared to uncoated diamond
- Allows engineering of conductivity, thermal properties
- Enables high temperature operation
- Improves metallurgical bonding to matrix
Tillämpningar och användningsområden
Titanium coated diamond powder has found usage across a diverse array of industrial sectors. Some key applications include:
Fordon
- Grinding wheels
- Skärande verktyg
- Polishing compounds
- Motordelar
Flyg- och rymdindustrin
- Abrasives for composite materials
- Precision drilling/grinding
- Polishing applications
Elektronik
- Diamond wafering blades
- Polishing applications
- Värmespridare
Konstruktion
- Stone/ceramic cutting
- Drilling/grinding tools
- Wire saws
- Masonry applications
Medicinsk
- Precision cutting tools
- Grinding/polishing tools
- Dental burs/drills
Oil/Gas
- Drill bits
- Verktyg för borrhål
Specifikationer och standarder
Titanium coated diamond powder is available in a variety of particle size distributions, coatings thicknesses, purities, and can be customized to meet application requirements.
Particle Sizes:
Microdiamond | 1 – 60 microns |
Nanodiamond | Under 1 micron (D90 < 1 μm) |
Macrocrystalline | > 60 microns |
Titanium Coating Thickness:
- Typically 1 – 5 microns
- Custom thicknesses available
Standards Compliance:
- ISO 13938 – Sieve analysis
- ASTM E11 – Particle size characterization
- Customized to application specifications
Leverantörer och prissättning
Titanium coated diamond powder is sold commercially by a number of specialty suppliers. Pricing varies based on:
- Fördelning av partikelstorlek
- Volume purchased
- Coating thickness/quality
- Product customization
Representative Pricing:
600 grit Ti coated diamond | $7 – $15 per carat |
Nanodiamond Ti coated | $200 – $600 per carat |
Contact specialty distributors for custom particle specifications and quotes.
Ledande leverantörer
- Advanced Diamond Technologies
- Diamond Materials GmbH
- Eco Diamond Solutions
- SP3 Diamond Technologies
- Delaware Diamond Knives
Comparing Titanium Coated vs. Uncoated Diamond Powder
Titanium coated diamond powder offers some advantages and differences compared to uncoated diamond particles:
Oxideringsbeständighet | Måttlig | Excellent due to protective Ti coating |
Tool Life | Standard | Extended life due to Ti layer |
Bonding to Matrix | Variable adhesion | Excellent carbide bonding with Ti |
Friktionskoefficient | Standard diamond values | Can engineer lower via Ti coatings |
Termisk konduktivitet | Standard diamond values | Can alter with Ti thickness |
Elektrisk konduktivitet | Non conductive | Can control via Ti layer |
Kostnad | Lägre | Higher but can offset via performance gains |
In summary, the titanium coating on diamond powder enhances a number of performance parameters while retaining the extreme hardness associated with diamond particles.
VANLIGA FRÅGOR
Here are answers to some common questions about titanium coated diamond powder:
What is the coating process for applying the titanium layer?
Chemical vapor deposition (CVD) is typically used to deposit the titanium coating uniformly onto the diamond microparticles or nanoparticles. This allows controlled coating thicknesses.
How strong is the bonding between the titanium layer and diamond core?
There is extremely strong carbide bonding between the titanium coating and diamond powder. This ensures excellent adhesion and durability.
What industries use titanium coated diamond powder?
Automotive, aerospace, electronics, construction, medical, and oil/gas industries utilize this material for grinding, polishing, drilling, cutting tools, engine parts, and a variety of friction and wear applications.
What particle size titanium coated diamond is best for improving tool life?
Generally nano and micro-sized particles exhibit substantial improvements to bonding strength, wear resistance and extending operational lifetimes of diamond tools, while still retaining nanoscale diamond sharpness.
Is the coating uniform on all diamond particle sizes?
Advanced chemical vapor deposition (CVD) processes allow high quality coatings across a wide range of diamond powders, from nanodiamond through macrosized particles. Coating consistency determines overall performance.
Can any metal be used to coat diamond powder?
Titanium offers an optimal combination of coating adhesion, corrosion protection, thermal resistance, and alteration of material properties like friction and conductivity. Other metals like tungsten or chromium are also used in some diamond coating applications.
What are typical prices for titanium coated diamond abrasives?
Prices vary widely based on quality, customization, particle size and volume – from around $7 per carat for larger Ti coated macrodiamond powder through $600 per carat for precision nanodiamond grades.
Slutsats
Sammanfattningsvis, titanium coated diamond powder retains the extreme hardness of diamond particles while gaining corrosion resistance, thermal stability, tailored frictional behavior, conductivity, and bonding properties from the nanothickness titanium metal coating. Combining the two materials creates a unique composite that expands the range of applications and improves performance of diamond tools and parts across demanding industrial sectors. With robust CVD coating processes ensuring uniform, durable coatings on particles ranging from nanodiamond through macrosized powders, titanium coated diamond abrasives will continue gaining traction in high precision, difficult machining and friction scenarios requiring diamond’s mechanical capabilities at higher working temperatures, speeds, and lifetimes.
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MET3DP Technology Co, LTD är en ledande leverantör av lösningar för additiv tillverkning med huvudkontor i Qingdao, Kina. Vårt företag är specialiserat på 3D-utskriftsutrustning och högpresterande metallpulver för industriella tillämpningar.
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