摘要
A Fe–1.0 wt%C alloy was quenched into water from 1100 ℃,leading to lath martensite and plate martensite of body-centered tetragonal structure.Both these two martensites have the twinned substructure that generates mirror symmetric diff raction patterns with extra diff raction spots around n/3(112).The twinned substructure has the origin from twinned martensitic variants,namely twin-related crystals separated by{110},rather than{112}<111>deformation twins.Tetragonality eff ect on the electron double diff raction of twinned variants was discussed.
基金
financially supported by the Hundred Outstanding Creative Talents Projects in Hebei University(SLRC2017058)
the Natural Science Foundation—Steel and Iron Foundation of Hebei Province(E2021203051)
the Project Program of Heavy Machinery Collaborative Innovation Center
the National Natural Science Foundation(51171182)。
