FabDigit

TiO2 Ceramic vs MgO Ceramic vs BeO Ceramic vs Spinel

Benchmark · 4 materials

Side-by-side benchmark of 4 ceramic grades.

TiO2 Ceramic vs MgO Ceramic and 2 more: properties

TiO2 CeramicMgO CeramicBeO CeramicSpinel

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

250 GPa36.3 Msi
300 GPa43.5 Msi
345 GPa50 Msi
265 GPa38.4 Msi

Shear Modulus

95 GPa13.8 Msi
128 GPa18.6 Msi
137 GPa19.9 Msi
108 GPa15.7 Msi

Bulk Modulus

205 GPa29.7 Msi
155 GPa22.5 Msi
240 GPa34.8 Msi
193 GPa28 Msi

Poisson's Ratio

0.27
0.18
0.26
0.26

Tensile Strength (Ultimate)

80 MPa11.6 ksi
100 MPa14.5 ksi
140 MPa20.3 ksi
120 MPa17.4 ksi

Compressive Strength

750 MPa109 ksi
1,000 MPa145 ksi
1,550 MPa225 ksi
1,800 MPa261 ksi

Flexural Strength

140 MPa20.3 ksi
170 MPa24.7 ksi
235 MPa34.1 ksi
180 MPa26.1 ksi

Fracture Toughness (K_IC)

2.5 MPa·√m2.3 ksi·√in
1.6 MPa·√m1.5 ksi·√in
3.5 MPa·√m3.2 ksi·√in
1.8 MPa·√m1.6 ksi·√in

Hardness, Vickers

950 HV
620 HV
1,200 HV
1,350 HV

Hardness, Knoop

880 HK
590 HK
1,200 HK
1,300 HK

Hardness, Mohs

6.2
6
9
8

Physical

Density and transition temperatures.

Density

4.15 g/cm³0.15 lb/in³
3.55 g/cm³0.13 lb/in³
2.87 g/cm³0.1 lb/in³
3.55 g/cm³0.13 lb/in³

Melting Point (Solidus)

1,843°C3,349 °F
2,800°C5,072 °F
2,530°C4,586 °F
2,135°C3,875 °F

Refractive Index

2.7
1.736
1.72
1.715

Porosity

1%
2%
0.5%
0.7%

Light Transmission

0%

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

7 W/m·K4 BTU/hr·ft·°F
40 W/m·K23.1 BTU/hr·ft·°F
285 W/m·K165 BTU/hr·ft·°F
15 W/m·K8.7 BTU/hr·ft·°F

Specific Heat Capacity

690 J/kg·K0.16 BTU/lb·°F
935 J/kg·K0.22 BTU/lb·°F
1,030 J/kg·K0.25 BTU/lb·°F
820 J/kg·K0.2 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

8 µm/m·K4.4 µin/in·°F
13.5 µm/m·K7.5 µin/in·°F
7 µm/m·K3.9 µin/in·°F
6 µm/m·K3.3 µin/in·°F

Max Service Temperature (continuous)

1,100°C2,012 °F
1,700°C3,092 °F
1,800°C3,272 °F
1,600°C2,912 °F

Min Service Temperature

-200°C-328 °F
-200°C-328 °F
-269°C-452 °F
-269°C-452 °F

Electrical

Conductivity and insulation.

Electrical Resistivity

1×10¹¹ Ω·m3.94×10¹⁸ µΩ·in
1×10¹² Ω·m3.94×10¹⁹ µΩ·in
1×10¹³ Ω·m3.94×10²⁰ µΩ·in
1×10¹² Ω·m3.94×10¹⁹ µΩ·in

Dielectric Strength

10 kV/mm254 V/mil
12 kV/mm305 V/mil
12 kV/mm305 V/mil
16 kV/mm406 V/mil

Dielectric Constant (1 MHz)

95
9.7
6.7
8.3

Dissipation Factor (1 MHz)

8×10⁻⁴
4×10⁻⁴
4×10⁻⁴
3×10⁻⁴

Volume Resistivity

1×10¹³ Ω·cm
1×10¹⁴ Ω·cm
1×10¹⁵ Ω·cm
1×10¹⁴ Ω·cm

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Corrosion Resistance

90 / 100
35 / 100
85 / 100
92 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Machinability

5 / 100
22 / 100
5 / 100
5 / 100

Polishability

80 / 100
65 / 100
70 / 100
88 / 100

Sintering / Firing Temperature

1,400°C2,552 °F
1,700°C3,092 °F
1,650°C3,002 °F
1,650°C3,002 °F

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

80 MJ/kg34,394 BTU/lb
40 MJ/kg17,197 BTU/lb
300 MJ/kg128,977 BTU/lb
75 MJ/kg32,244 BTU/lb

Embodied Carbon (primary production)

6 kg CO₂/kg
3 kg CO₂/kg
22 kg CO₂/kg
6.5 kg CO₂/kg

Embodied Water

200 L/kg24 gal/lb
25 L/kg3 gal/lb
400 L/kg47.9 gal/lb
200 L/kg24 gal/lb

Typical Recycled Content

0%
5%
5%
0%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

19 kN·m/kg
28 kN·m/kg
49 kN·m/kg
34 kN·m/kg

Specific Stiffness (E / density)

60.2 MN·m/kg
84.5 MN·m/kg
120.2 MN·m/kg
74.6 MN·m/kg

Thermal Diffusivity

2.4 mm²/s
12.1 mm²/s
96.4 mm²/s
5.2 mm²/s

Thermal Shock Resistance Index

0
1
17
1

Strength versus weight

Yield strength against density for every ceramic grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.

501002005001,000234567Density (g/cm³)Yield strength (MPa) — log scale

Manufacturing and finishing

CapabilityTiO2 CeramicMgO CeramicBeO CeramicSpinel
Default condition
Relative cost$$$$ High$$ Standard$$$$ High$$$$ High
Min. machined wall
Best machined surface

Ready to make it?

Upload a CAD file and FabDigit prices the part in TiO2 Ceramic and MgO Ceramic side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.

Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.