diffusionless transformation

Diffusionless transformation refers to a process where a material changes its structure without the movement of atoms over long distances. This occurs quickly, often due to changes in temperature or pressure, leading to a new arrangement of atoms that alters the material's properties, like strength or hardness. A common example is how certain metals harden when cooled rapidly, causing their atoms to rearrange without typical diffusion processes. This transformation is important in metallurgy and materials science, as it helps create stronger and more durable materials that can be used in various applications.