The effect of heat-treating temperatures on induced compressive residual stress and fatigue life in 300m landing gear steel due
Bibliographic record
Abstract
<p>The main objective of the study is to model the behavior of residual stresses in shot peened 300M landing gear steel affected by heat treatment. It is well known that residual stresses can have a significant influence on the mechanical behavior of major components under stresses. Therefore, information regarding the stability of existing residual stress states is of significant importance. In this experiment, special attention is paid to consequences of the heat treatment processes on compressive residual stresses induced in material by shot peening. The relaxation in residual stress due to addition of thermal energy by heat treatment at different temperatures and times is investigated. An existing model was used to create a stress relaxation equation for 300Mhigh strength steels. Effect of heat treatment on residual stress distribution at sub-surface level is also be examined. The current study will focus on the initial compressive residual stress field produced by common aerospace peening conditions and by how much isothermal exposures alter this stress and factors affecting the stress relaxation as well as fatigue life of the affected components.</p>
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How this classification was reachedexpand
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) | 0.001 | 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 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".