CHARACTERIZATIONS AND BORON DIFFUSION MODELLING ON THE AISI H13 STEEL

被引：1
|
作者：
Ortiz-Dominguez, M. [1 ]
Keddam, M. [2 ]
Morales-Robles, a. J. [3 ]
机构：
[1] Autonomous Univ Hidalgo State, Escuela Super Ciudad Sahagun Mech Engn, Sahagun, Hidalgo, Mexico
[2] USTHB, Fac Mech Engn & Proc Engn, Mat Technol Lab, Algiers, Algeria
[3] Autonomous Univ Hidalgo State, Area Acad Ciencias Tierra & Mat, Inst Ciencias Basicas & Ingn, Pachuca, Hidalgo, Mexico
来源：
JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY | 2024年 / 60卷 / 03期
关键词：
Boronizing; Borides; Diffusion model; Activation energy; Contour diagram; BORIDE LAYERS; FE2B LAYERS; KINETICS; GROWTH;
D O I：
10.2298/JMMB240423029O
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
A kinetic approach accounting for the linearity of boron profiles through the boronized layers on AISI H13 steel was developed. It aims to track the temporal evolution of the thicknesses of the FeB and (FeB + Fe2B) layers by considering new expressions for the mass balance equation at each growth front. These surface layers were generated by pack boronizing of AISI H13 steel in the temperature range of 1123 to 1273 K for duration ranging from 2 to 8 h. Finally, this linear model has been validated for two other sets of processing parameters (1323 K for 4.5 and 8.5 h). Iso-thickness diagrams were also proposed to optimize the thickness of the layers for targeted industrial usage.
引用
收藏
页码：353 / 365
页数：13
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