
thumb|200px|Martensite in AISI 4140 steel thumb|200px|0.35% carbon steel, water-quenched from 870 °C
thumb|200px|Martensite in AISI 4140 steel thumb|200px|0.35% carbon steel, water-quenched from 870 °C
Martensite is a very hard form of steel crystalline structure. It is named after German metallurgist Adolf Martens. By analogy the term can also refer to any crystal structure that is formed by diffusionless transformation.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).