Kirkendall effect

{
  "id": "MLC-T-IND-003191",
  "term": "Kirkendall effect",
  "field": "Industrial and trades",
  "definition": "The phenomenon of unequal diffusion rates between two different atomic species across an interface, leading to a net flow of vacancies in one direction. This differential movement results in the formation of voids or pores on the side of the faster-diffusing species. It is observed in diffusion couples and affects the integrity of welded joints or coatings.",
  "subject": "Metallurgy",
  "translations": {
    "de": "Kirkendall-Effekt",
    "es": "efecto Kirkendall",
    "fr": "effet Kirkendall"
  },
  "url": "https://mlchart.com/terminology/industrial/kirkendall-effect/"
}