Knowledge Base

Properties:

• Translucency: 45% - 48%
• Flexural Strength: 850 - 1200 MPa
• Density after sintering: ≥6.0 g/cm³
• CTE (25-500°C): (10.5±0.5)×10^-6 K^-1
• Sintering Temperature: 1480°C

Sintering Program (Standard, up to 7 units):

1. Step 1: Heat to 1000°C at 17°C/min.
2. Step 2: Heat to 1300°C at 10°C/min.
3. Step 3: Heat to 1515°C at 7°C/min.
4. Step 4: Hold at 1515°C for 90 minutes.
5. Step 5: Cool to 800°C at 8°C/min.
6. Step 6: Natural cooling.

Sintering Program (For long-span bridges, >7 units):

1. Step 1: Heat to 1300°C at 4°C/min.
2. Step 2: Heat to 1515°C at 2°C/min.
3. Step 3: Hold at 1515°C for 120 minutes.
4. Step 4: Cool to 800°C at 4°C/min.
5. Step 5: Natural cooling.

Properties:

• Translucency: 39%
• Flexural Strength: 1300 MPa
• Sintering Temperature: 1530°C

Sintering Program:

1. Step 1: Heat to 500°C at 3°C/min.
2. Step 2: Heat to 1150°C at 8°C/min.
3. Step 3: Hold at 1150°C for 30 minutes.
4. Step 4: Heat to 1300°C at 2°C/min.
5. Step 5: Heat to 1530°C at 4°C/min.
6. Step 6: Hold at 1530°C for 120 minutes.
7. Step 7: Cool to 800°C at 8°C/min, then natural cooling.

Properties:

• Translucency: 43%
• Flexural Strength: 1300 MPa
• Sintering Temperature: 1530°C

Sintering Program (Standard):

Same as for HT White (peak temperature 1530°C).

Sintering Program (Fast, 4 hours):

1. Step 1: Heat to 1150°C at 40°C/min.
2. Step 2: Hold at 1150°C for 10 minutes.
3. Step 3: Heat to 1550°C at 10°C/min.
4. Step 4: Hold at 1550°C for 120 minutes.
5. Step 5: Cool to 800°C at 40°C/min.

Sintering Program (Fast, 2 hours):

1. Step 1: Heat to 1150°C at 50°C/min.
2. Step 2: Heat to 1550°C at 8°C/min.
3. Step 3: Hold at 1550°C for 30 minutes.
4. Step 4: Cool to 800°C at 50°C/min.

Properties:

• Translucency: 47%
• Flexural Strength: 1000 MPa
• Sintering Temperature: 1480°C (White/Pre-shaded), 1450°C (Multilayer)

Sintering Program (Standard):

1. Step 1: Heat to 1150°C (in several stages).
2. Step 2: Hold at 1150°C for 30 minutes.
3. Step 3: Heat to 1480°C (or 1450°C) at 2-4°C/min.
4. Step 4: Hold at peak temperature for 120 minutes.
5. Step 5: Cool to 800°C at 8°C/min.

Properties:

• Translucency: 49%
• Flexural Strength: 600 MPa
• Sintering Temperature: 1450°C

Sintering Program (Standard):

Same as for TT-ONE Multilayer (peak temperature 1450°C).

Properties:

• Translucency: 43% - 48.8% (depending on type)
• Flexural Strength: 727 - 1300 MPa (gradient)
• Sintering Temperature: 1480°C

Sintering Program (Standard):

Same as for TT-ONE (peak temperature 1480°C), but hold time for Hybrid is 180 minutes.