Process signature for porosity-dominant fatigue scattering of materials processed by laser fusion

fatigue data.xlsx - Excel file of data from a fatigue test; variables: cycle count, frequency (Hz), and machine power (%) regression script.R - an R script to create regression lines for the different stages of the fatigue processfatigue data.xlsx：该文件为疲劳测试数据的Excel格式文件，包含循环次数、频率（Hz）及机器功率（%）三类变量；regression script.R：该R脚本用于为疲劳过程的不同阶段生成回归直线