Experimental Investigation of Creep Properties Parameters of 10mowvnb Steel

2018 5th International Conference on Advanced Composite Materials and Manufacturing Engineering

Wu, Hongliang^1

School of Electromechanical and Architectural Engineering, Jianghan University, Wuhan

430056, China^1

关键词: Apparent activation energy;    Creep properties;    Experimental investigations;    High temperature creep;    Safety management;    Steady state creep rate;    Stress indices;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/394/3/032046/pdf
DOI  :  10.1088/1757-899X/394/3/032046

来源: IOP

【 摘 要 】

The creep properties parameters of 10MoWVNb steel have been investigated by high temperature creep experiments. It shows that the steady-state creep rate of 10MoWVNb steel under 175 MPa (400 °C, 450 °C, 500 °C), 200 MPa (400 °C, 450 °C, 500 °C) are 3.60 × 10-5 h-1, 2.17 × 10-4 h -1, 4.57 × 10-3 h -1, 5.59 × 10-5 h -1, 3.34 × 10-4 h -1, 7.02 × 10-3 h -1, respecticely. The stress index of 10MoWVNb steel during creep is 3.2474. And the apparent activation energy of 10MoWVNb steel is 198.73 kJ/mol. The results of this study can provide some technical references for the safety management of 10MoWVNb steel.