Additive Manufacturing with Stellite 6 Metal-Cored Wire by Gas Tungsten Arc Welding and Plasma Arc Welding Methods
Bibliographic record
Abstract
Metal-cored wires offer an opportunity to manufacture highly alloyed materials in the form of a tubular wire which may include any compatible powder alloy.These wires can be used with Wire and Arc Additive Manufacturing methods such as Gas Tungsten Arc Welding (GTAW) and Plasma Arc Welding (PAW).These methods use a lower cost, and less complex heat source compared with Laser and Electron-Beam Processes.In this study, Stellite 6 metal-cored wire was utilized with GTAW to determine printing parameters.However, initial experiment showed that manufacturing thin walls with <3.5 mm thickness would not be possible with continuous weld beads, resulting in poor repeatability and geometrical defects.Therefore, the Coordinated Heat and Feed (CHF) printing strategy was developed and validated to address these issues.Furthermore, a PAW system was adopted in place of GTAW for an increased flexibility.However, preliminary tests performed with the CHF method resulted in high amount of oxidation although the geometrical features were improved.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".