Experimental Research on Hydrogen Resistance Performance of Different Microstructure


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The paper studies the effects of different microstructures on the hydrogen resistance properties. Four kinds of microstructures were obtained by using four kinds of heat treatment processes for 45 steel materials. The mechanical properties of different microstructure materials were obtained by Vickers hardness test and internal residual stress test. The relationships between hardness and depth of four kinds of microstructures were obtained by stratified microhardness test. Static hydrogen resistance property of different microstructures was obtained by using the stripping method. Results show that the H2S corrosion layer of different microstructures is basically the same, and the depth and hardness distribution of the hydrogen embrittlement layer are quite different. More pearlite, lead to the weakness of hydrogen resistance property; quenched and tempered sorbite after the hydrogen corrosion is better than ferrite + pearlite structure, martensite has a good resistance to hydrogen permeability. Finally, the relationships between microhardness and depth of the hydrogen embrittlement layer with different microstructures were fitted.



Edited by:

Xiao Hong Zhu, Wenlong Cheng and Li Lu




W. B. Li and J. Wang, "Experimental Research on Hydrogen Resistance Performance of Different Microstructure", Materials Science Forum, Vol. 932, pp. 13-18, 2018

Online since:

September 2018





* - Corresponding Author

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