micro-crack in martensite

例句：

1. 1. The steel undergoes a transformation to martensite during the heat treatment process.
   钢材在热处理过程中会发生马氏体转变。
2. 2. The research focused on understanding the microstructure of martensite in the material.
   研究专注于理解材料中马氏体的微观结构。
3. 3. The development of this technology could lead to new applications for martensite-based materials.
   这项技术的发展可能会为基于马氏体的材料的新的应用领域提供可能。