Effects of Tool Geometry and Fluid on the Surface Morphology and Integrity in Scratching TiMMCs
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Bibliographic record
Abstract
An experimental study is reported on the surface morphology and integrity in scratching of TiMMCs. The objective is to simulate the cutting of TiMMCs by individual grains in grinding operations. The results can also be utilised to understand the resistance to abrasion and wear of the materials. Experiments were performed at a fixed scratching speed vs = 20 m/s, and given depths of scratching ranging from 0.004 to 0.024 mm. Scratching tools with round and conical tips were selected for the tests with and without grinding fluid. Microscopic observations of the tool tips and the scratches were conducted. It was revealed that ploughing of the matrix and the re-deposition of the matrix on the scratched surface led to the mixing of the matrix with broken TiC particles. The use of grinding fluid influenced the TiC removal mechanisms in terms of 'comet tail' phenomenon and different severities of the particle breakage. The depth of scratch had a greater effect on the cupules formation. Comparison of the bottom of the scratches and the ground surfaces showed that the wheel wear had significant effects on the ground surface morphology and integrity. No evidence of whole particle dislodgements was observed.
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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 | 0.001 |
| 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 it