Annealing vs Normalizing vs Tempering
Three heat treatments, three different goals. What each does to steel's microstructure, the temperatures that matter, and how to tell which one you need.
The Liberty Ships That Broke in Half
Wartime ships cracked in calm water and cold weather. The story of why is the clearest lesson in materials engineering ever paid for in steel and lives.
Density Functional Theory, Explained Without the Math
DFT predicts what materials do, from first principles, using electron density instead of wavefunctions. Here is how it works and what it gets wrong.
What Is a Machine-Learned Interatomic Potential?
An MLIP gives you near-DFT accuracy at close to classical-MD speed. Here is how these potentials work, where the speed comes from, and how they fail.
BCC vs FCC vs HCP: Why Crystal Structure Decides Ductility
BCC steel has 48 slip systems and shatters in the cold. FCC copper has 12 and never does. Here is the packing-and-slip physics that decides which.