The precipitation kinetics of σ phase in commercial HR3C heat-resistant steel during aging at 650-800 ℃ was studied in......

本文阐述了以钢的过冷奥氏体等温转变曲线（ＴＴＴ曲线）扫描图片为原形，在ＡｕｔｏＣＡＤ环境下用三次样条函数描述该曲线，实现扫描图片矢量化处理，并给出了矢......