Modification influence of mischmetal on fractography fracture of G17CrMo5-5 cast steel samples after the three-point bending test

[摘要] The article presents the analysis of fracture surfaces after the three-point bending test at a temperature range from + 20 °C to - 80 °C. The author shows a beneficial effect of mischmetal on the cracking mechanism and on the character...

[学科分类] 金属与冶金

[关键词] G17CrMo5-5 cast steel;rare earth metals (REM);fractography;fracture surface;modification