Titanium Nitride (TiN) Coating

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Subcategory: Ceramic; Ceramic/Metallic Coating; Nitride

Key Words: Hard Ceramic Coatings; Brycoat; Mold Coating; Aerospace Coatings

Material Notes:
Thin film coating applied by environmentally safe, Physical Vapor Deposition (PVD) vacuum system. Can be applied to most metals to provide enhanced surface characteristics, and can also be applied to some ceramics and plastics. Has the appearance of gold, but is an ultra-hard material. Is harder than carbide and chrome, approximately 85 Rc. Is highly inert - Will not corrode and has excellent chemical resistance. Provides a non-stick surface. Prevents galling. Can withstand elevated temperatures. Is non-toxic - Used for surgical devices and food processing equipment. Is dense and non-porous. Is typically 3 micrometers or 0.0001" thick. Has a uniform thickness that follows the contour of the part's surface. Forms an outstanding bond to the base material that will not blister, flake or chip. Cutting tools typically last 3 to 10 times longer than uncoated tools.

Information provided by BryCoat Inc.

Click here to view available vendors for this material.

Titanium nitride and other advanced wear coatings are available from BryCoat, Phone (800) 989-8788 or (727) 490-1000; Fax (727) 490-0233; or www.brycoat.com.

Physical Properties	Original Value		Comments
Density	5.22 g/cc
Open Porosity	0 %
Mechanical Properties
Knoop Microhardness	2000		kg/mm²
Hardness, Rockwell C	85		Approximate
Vickers Microhardness	2300		kg/mm²
Modulus of Elasticity	600 GPa		Young's Modulus
Poisson's Ratio	0.25
Coefficient of Friction	0.65		between 100 Cr6 ball and coating
Electrical Properties
Electrical Resistivity	2.5e-005 ohm-cm
Band Gap	3.35 - 3.45 eV
Thermal Properties
CTE, linear 20°C	9.4 µm/m-°C
Thermal Conductivity	19 W/m-K
Melting Point	2930 °C
Maximum Service Temperature, Air	600 °C		Oxidation Begins
Heat of Formation	337 kJ/mol
Descriptive Properties
Color	Gold
Crystal Structure	Cubic	Face-Centered Cubic
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