| TABLE OF CONTENTS |
|---|
| 1. | Carbon and alloy steels | 2-3 |
| 2. | Hipping of low alloy steels | 3-4 |
| 2.1 | Part I - Process optimization | 3-4 |
| 2.2 | Part 2 - Cast and wrought comparisons for En 40B | 4 |
| 2.3 | Part 3 - Cast and wrought comparisons for En 24 | 4 |
| 3. | Effects of hip - further analysis | 4-6 |
| 3.1 | Homogenisation | 5 |
| 3.2 | Fatigue behaviour | 5 |
| 3.3 | New horizons | 5-6 |
| 4. | Tables | |
| 4.1 | Steel composition isolated for evaluation | 6 |
| 4.2 | Actual compositions of test bars used within present study | 6 |
| 4.3 | Optimisation of mechanical properties for cast En 40B using various HIP parameters | 6 |
| 4.3.1 | Summary of improvements in elongation and impact properties | 7 |
| 5. | Figures | |
| 5.1 | Cutaway view of an ASEA hot isostatic press. Components to be | |
| processed are placed within the central core and enclosed within the | | |
| heater/insulation package | 1 | |
| 5.2.1 | Radiographs showing the effect of HIP upon macro-sized voids within carbon stell san-cast test bar. | 2 |
| 5.2.2 | Radiographs showing the effect of HIP upon macro-sized voids within a sand-cast carbon steel valve body. | 2 |
| 5.3.1 | Investment-cast niobium-stablished 316 stainless steel. As - cast condition | 2 |
| 5.3.2 | Investment-cast niobium- stablished 316 stainless steel. Cast + HIP | 2 |
