End-to-end material thermal conductivity prediction through machine learning
Problem
Predicting the thermal conductivity of materials is slow and limited by scarce high-quality data.
Why it matters
Faster thermal conductivity prediction could speed development of heat-management materials.
What the AI did
After expanding the dataset with first-principles calculations for 225 materials, the authors assessed state-of-the-art ML models (all overfit) and introduced a graph-based neural network with more consistent, regularized performance.
Results
Best mean absolute percentage error of 50–60% on the test dataset; dataset of 225 materials more than doubled the existing one.
Impact
Models are useful for expediting material screening but too inaccurate for reliable prediction.
Record
| Venue | Journal of Applied Physics |
|---|---|
| Published | 2023 |
| Work type | article |
| Authors | Yagyank Srivastava, Ankit Jain |
| Citations | 21 (OpenAlex, at import time) |
| References | 51 |
| Model or method | graph-based neural network |
| Organization | not stated in source |
| Primary source | https://doi.org/10.1063/5.0183513 |
| Open access | green |
| Keywords | thermal conductivity, machine learning, graph neural network, overfitting, materials screening |
Importance rating
real but narrower advance
Faster thermal conductivity prediction could speed heat-management material screening, but abstract gives no scale of impact and model accuracy remains limited (50-60% MAPE).
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