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Aluminum titanium carbide, Ti3AlC2 

Release time :2019/01/22
Aluminum titanium carbide, Ti3AlC2

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Titanium-aluminum carbide (TI-Al carbide) is a new type of three-layer structure ceramic 

material, which has been widely concerned by material scientists and physicists due to 

its unique properties.
Titanium aluminum carbide (Ti3AlC2) belongs to the hexagonal crystal system, and has 

the characteristics of metal and ceramics: it has the same conductivity and heat conduction 

as metal, but also has the same high elastic modulus and excellent high-temperature 

mechanical properties as ceramic, with good conductivity and heat conduction capability, 

high elastic modulus and low Vickers hardness, and good damage resistance capability. 

It can be machined at room temperature and produce plastic deformation at high temperature. 

It also has good high temperature stability and oxidation resistance. It also has good thermal 

shock resistance, damage resistance and excellent chemical corrosion resistance.
MAX phase ceramics (including Ti3SiC2, Ti3AlC2, etc.) is a new type of processable conductive 

ceramics. These ceramics contain more than sixty ternary carbides or nitrides. M stands for 

the front metal element of the transition group; A represents the elements of the main group, 

mainly the elements of the third group and the fourth group; X is for carbon or nitrogen. 

Ti3SiC2 is the most widely studied. Ti3SiC2 was successfully synthesized by hot pressing 

in 1996 by Professor Barsoum M of Drexel University in the United States and its excellent 

properties were found. Due to its unique nanometer layered crystal structure, this kind of 

ceramic material has such properties as oxidation resistance, self-lubrication, high fracture 

toughness at room temperature and conductivity. This kind of material can be widely used 

as high temperature structural material, electrode brush material, chemical anticorrosive 

material and high temperature heating element. The products are mainly used for high 

temperature coatings, MXene precursors, conductive self-lubricating ceramics, lithium 

ion batteries, supercapacitors, electrochemical catalysis.

Technical parameters of Ti3AlC2:

item

parameter

 

mechanical 

property 

compressive strength(MPa)

764

bending strength(MPa)

375±15

breaking tenacity(MPa??m1/2)

7.2

Vickers hardness(GPa)

3.5

Young modulus(GPa)

297

electrical

property

Single conductivity

(×106S??m﹣1)

2.9(25℃)

0.85(800℃)

temperature coefficient of resistance(×10﹣3K﹣1)

3.1

thermal 

properties

coefficient of thermal expansion

thermal expansivity

×10﹣6K﹣1)

9.0

heat capacity

J??mol﹣1??K﹣1)

﹣﹣

heat conductivity

W??m﹣1??K﹣1)

﹣﹣

thermal shock resistance

Fine

high temperature stability

Fine


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