Material Science & Metallurgy is an Android app developed by Engineering Hub and is available for free. The app is categorized under Education & Reference and is compatible with Android 9.0. The app is designed to provide students of mechanical engineering with comprehensive notes on important topics in material science and metallurgy. The app covers topics such as crystal atoms of solids, plastic deformation of metals, alloy formation and binary diagram, heat treatment of alloys, and properties of materials.

The app covers each topic chapter-wise and provides detailed information on each sub-topic. The app also covers topics such as the manufacturing processes for iron and steel making, inter-metallic compounds, and non-equilibrium cooling. The app is easy to navigate and is designed to help students learn and understand the concepts easily. However, the app does not provide any interactive features or quizzes to test the knowledge gained. Overall, Material Science & Metallurgy is a useful app for mechanical engineering students who are looking for comprehensive notes on material science and metallurgy.