Nitriding of Steel AISI D2 After Deep Cryogenic Treatment

被引：0
作者：
Ramos, F. D. [1 ,2 ]
Moscoso, M. F. C. [3 ]
Regul, A. [2 ]
Diehl, I. L. [2 ]
Diehl, C. A. T. S. [2 ]
机构：
[1] Ist Fed Educ Ciencia & Tecnol Rio De Grande, Met Dept, Caxias Do Sul, Brazil
[2] Univ Rio Grande Do Sul UFRGS, PPG3M, Porto Alegre, Brazil
[3] Termo Aco Tratamento Term, Caxias Do Sul, Brazil
来源：
METAL SCIENCE AND HEAT TREATMENT | 2023年 / 65卷 / 5-6期
关键词：
tool steel; nitriding; deep cryogenic treatment; carbide inclusions; heat treatment; microstructure; SUBZERO TREATMENTS; WEAR BEHAVIOR; TOOL; TEMPERATURE; RESISTANCE; FRACTURE;
D O I：
10.1007/s11041-023-00927-w
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A comparative study of the structure, wear resistance and mechanical properties of tool steel AISI D2 (Kh12MF) after traditional and alternative heat treatments is performed. The traditional treatment consists of vacuum furnace quenching followed by triple tempering and the alternative treatment includes deep cryogenic treatment followed by nitriding in a tank with molten salt. It is shown that the alternative version changes the morphology of secondary carbides within the steel structure and increases fracture toughness without reducing core hardness.
引用
收藏
页码：285 / 291
页数：7
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