The deformation also resulted in a pileup of dislocations near the interfaces of martensite lath and granular carbonides.A new image analysis method was used to determine the density of dislocation.

• 本论文采用图象处理的方法对位错密度进行了测量和计算，结果表 明，图象处理方法克服了高密度位错测量过程中传统的截线法的无法 准确确定测量线和位错线交点数和随机统计性差等缺点。