Surface Modification of SiC Reinforcements & its Effects on Mechanical Properties of Aluminium Based MMC
Why this work is in the frame
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Bibliographic record
Abstract
Aluminum (A356)-SiC metal matrix composites were fabricated by using liquid metallurgy route. To improve the interfacial bonding between the Al and SiC, an attempt has been made to coat the SiC particles with Ni and Cu. Electroless process was used for coating the reinforced particle. This surface modification due to electroless coating on SiC particles was confirmed with SEM/ EDS analysis. Processing parameters such as melt temperature, stirring speed, stirring time, and preheating temperature were optimized. SiC content in Al-SiC MMC were taken from 5 to 15% and effect of Ni and Cu coating was studied using hardness measurements. Influence of coated SiC particles in Al-SiC showed significant improvement in hardness values. Moreover, micro structural examination clearly demonstrated that Cu coating on SiC particles resulted in good metallurgical boding as compared to SiC particles with Ni coating. As a result, the hardness values of Al-SiC (Cu) exhibited better hardness values as compared to Al-SiC (Ni) MMCs. As expected, high SiC content in types of Al-SiC MMCs showed high hardness values as compared to low SiC content and base alloy. The present investigation suggests that Cu coating on SiC particles are more suitable as compared to Ni coating on SiC particles to synthesis Al-SiC MMCs.
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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