大部分工业材料是晶粒的聚集体,构成这个聚集体的晶体的原子排列是很规则的,所以其不同方向的机械、物理性能也不同,即具有各向异性。通过控制被称为织构的晶粒方位分布状态,这种各向异性可有利地用来提高材料特性。特别是对薄钢板而言,不依靠导致增加成本的合金化方法,而通过改善表面质量、加工成型性能及电磁特性等,便可使其达到高级化水平。新日铁公司的松尾宗次先生通过独自开发的晶粒方位分布的定量分析方法和织构形成过程的观测手段,研究了冷轧、退火薄钢板产品的织构成因。结果,查明了支配形成织构的主要原因,是在前道工序的热轧中生成的晶粒大 Most industrial materials are aggregates of grains. The atomic arrangement of the crystals that make up this aggregate is very regular, so the mechanical and physical properties in different directions are different, that is, anisotropic. By controlling the orientation of grains known as texture, this anisotropy can advantageously be used to improve the material properties. In particular, the thin steel sheet can be upgraded to an advanced level by improving the surface quality, formability and electromagnetic properties without depending on the alloying method that leads to an increase in cost. Mr. Matsuo Natsumi of Nippon Steel Corporation studied the texturing causes of cold-rolled and annealed sheet steel products through the quantitative method of grain orientation distribution and the observation of texture formation process. As a result, it was found that the main reason for controlling the texture formation is that the crystal grains generated in the hot rolling in the previous step are large