A new perspective on the mechanical behavior of Inconel 617 at elevated temperatures for small modular reactors
Why this work is in the frame
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Bibliographic record
Abstract
This study investigates the temperature-dependent mechanical properties of Inconel 617, a nickel-based superalloy, for small modular reactor applications. The formation of the sigma phase, driven by high chromium content during prolonged high-temperature exposure, significantly impacts the alloy's strength, creep resistance, stress rupture life, and ductility. The transition temperature for sigma phase formation is predicted to be approximately 1064 C ∘ , with an uncertainty range between 700 C ∘ and 1250 C ∘ , confirmed through an uncertainty analysis of elemental composition. Chromium is identified as the primary element influencing sigma phase stability. Additionally, hot tearing susceptibility during solidification is assessed, revealing that a carbon content of 0.08 wt % minimizes the cracking susceptibility coefficient to 0.425, reducing the risk of solidification cracking. These findings offer critical insights for optimizing the composition and processing conditions of Inconel 617 in laser-directed energy deposition additive manufacturing.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| 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) | 0.000 | 0.000 |
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 it