Influence of Thermal Treatment on the Heat Transfer of 10GN2MFA Steel

被引：0

作者：

Seidl, David ^{[1
]}

Kostial, Pavel ^{[1
]}

Jonsta, Petr ^{[1
]}

Jancikova, Zora ^{[1
]}

Ruziak, Ivan ^{[1
]}

机构：

[1] Tech Univ Ostrava, Fac Met & Mat Engn, Ostrava 70833, Czech Republic

来源：

DIFFUSION IN SOLIDS AND LIQUIDS VII | 2012年 / 326-328卷

关键词：

thermal treatment; low carbon steel; lumped capacitance method; thermal diffusivity; specific heat capacity; thermal conductivity; CARBON-STEEL;

D O I：

10.4028/www.scientific.net/DDF.326-328.60

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Three samples of 10GN2MFA steel were thermally treated at quenching temperatures equal to 900 degrees C, 1000 degrees C and 1100 degrees C, and temperature of the tempering was 670 degrees C. Thermo-physical properties of the steel were modelled by lumped capacity model. The sample was mechanically stressed under yield strength and then the cooling curve of stressed material on air was measured. The heat transfer through grips was taken into account. Thermo-physical properties were obtained by parametric fitting of time-temperature data obtained from cooling curve. Both thermal diffusivity and thermal conductivity increase with the quenching temperature. Specific heat capacity of steel samples after thermal treatment does not change significantly. All the measured thermo-physical parameters were in good agreement with the table values for low carbon Ni steels.

引用

页码：60 / 64

页数：5

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