Common Titanium Heat Treatment Defects & Prevention
Defects: alpha case, hydrogen pickup, grain growth, distortion.
Quick Answer
Alpha case, hydrogen pickup, grain growth, and distortion are common defects.
Defects & Prevention
| Defect | Cause | Prevention |
|---|---|---|
| Alpha Case | Oxygen diffusion | Vacuum atmosphere |
| Hydrogen Pickup | Moisture | Vacuum < 10^-4 torr |
| Grain Growth | Above beta transus | Temperature control |
References
- AMS 2750