Ductility loss of hydrogen-charged and releasing 304L steel

doi:10.1007/s11465-013-0265-7

Front Mech Eng

2013, Vol. 8

Issue (3) : 298-304 https://doi.org/10.1007/s11465-013-0265-7

RESEARCH ARTICLE

Ductility loss of hydrogen-charged and releasing 304L steel

Yanfei WANG¹, Jianming GONG¹(

), Yong JIANG¹, Wenchun JIANG², Wang JIANG¹

1. College of Mechanical and Power Engineering, Nanjing University of Technology, Nanjing 210009, China; 2. College of Chemistry and Chemical Engineering, China University of Petroleum, Qingdao 266555, China

Download: PDF(452 KB) HTML
Export: BibTeX | EndNote | Reference Manager | ProCite | RefWorks

Abstract

The mechanical properties and fracture behavior of 304L austenitic stainless steel after cathodic hydrogen charging and hydrogen spontaneously releasing are investigated by tensile tests. Flat tensile specimens were cathodic hydrogen charged at various current densities. For each density, two specimens were charged at the same condition. When the charging process completed, one specimen was tensile immediately to fracture and the other was aged to release the hydrogen out of it and then was also tensile to fracture. The resulting tensile properties and micrographs of fracture surfaces of these specimens were evaluated and compared. The results show ductility loss occurred in the hydrogen-charged specimens and the loss increased as the current density increasing. After hydrogen releasing, the specimens recovered a certain extent but not all of its original ductility. Scanning electron microscope (SEM) micrographs of fracture surfaces reveal that irreversible damage had developed in the hydrogen-releasing specimens during the releasing process rather than the charging process. This consequence can be ascribed to the high tensile stress caused by non-uniform hydrogen distribution during hydrogen releasing.

Keywords hydrogen embrittlement ductility loss hydrogen releasing control strategy 304L austenitic stainless steel

Corresponding Author(s): GONG Jianming,Email:gongjm@njut.edu.cn

Issue Date: 05 September 2013

Cite this article:

Yanfei WANG,Jianming GONG,Yong JIANG, et al. Ductility loss of hydrogen-charged and releasing 304L steel[J]. Front Mech Eng, 2013, 8(3): 298-304.

URL:

https://academic.hep.com.cn/fme/EN/10.1007/s11465-013-0265-7
https://academic.hep.com.cn/fme/EN/Y2013/V8/I3/298

Fig.1 Dimensions of the specimen in mm

Fig.2 Cathodic hydrogen charging test

Fig.3 Hydrogen concentration under different charging time

Fig.4 Hydrogen concentration under different charging current densities

Fig.5 Stress-displacement curves for unchanged, hydrogen-charged and hydrogen-releasing (HR) 304L under different current densities (mA/cm)

Tab.1 Mechanical properties of the 304L hydrogen-charged and hydrogen-releasing

Fig.6 , of the hydrogen-charged and hydrogen-releasing (HR) 304L under different current densities

Fig.7 Fracture surface macro SEM morphologies of the uncharged (a) and the hydrogen-charged specimens under current densities of 15 (b), 25 (c) and 35 (d) mA/cm

Fig.8 SEM micrographs at the center of fracture surfaces of the uncharged (a) and hydrogen-charged specimens under different current density of 15 (b) and 35 (c) mA/cm

Fig.9 SEM micrographs at the edge of fracture surfaces of the uncharged (a) and hydrogen-charged specimens under different current density of 15 (b) and 35 (c) mA/cm

Fig.10 SEM micrographs at the edge of fracture surfaces of the hydrogen-releasing specimens under different current densities of 15 (a), 35 (b) and 50 (c) mA/cm

Fig.11 Hydrogen concentration distribution in the specimen for hydrogen charging 96 h and releasing 0, 1, 10 and 180 h

1	Oriani R A. Hydrogen embrittlement of steels. Annual Review of Materials Science , 1978, 8(1): 327–357 doi: 10.1146/annurev.ms.08.080178.001551
2	Biggiero G, Borruto A, Gaudino F. Embrittlement due to hydrogen in ferritic and martensitic structural steels. International Journal of Hydrogen Energy , 1995, 20(2): 133–139 doi: 10.1016/0360-3199(94)E0004-I
3	Tiwari G P, Bose A, Chakravartty J K, Wadekar S L, Totlani M K, Arya R N, Fotedar R K. A study of internal hydrogen embrittlement of steels. Materials Science and Engineering A , 2000, 286(2): 269–281 . doi: 10.1016/S0921-5093(00)00793-0
4	Siquara P C, Eckstein C B, Almeida L H, Santos D S. Effect of hydrogen on the mechanical properties of 2 1/4Cr-1Mo steel. Journal of Materials Science , 2007, 42(7): 2261-2266 doi: 10.1007/s10853-006-0549-y
5	Yao Y, Pang X L, Gao K W. Investigation on hydrogen induced cracking behaviors of Ni-base alloy. International Journal of Hydrogen Energy , 2011, 36(9): 5729–5738 doi: 10.1016/j.ijhydene.2011.01.123
6	Yagodzinskyy Y, Todoshchenko O, Papula S, Hanninen H. Hydrogen solubility and diffusion in austenitic stainless steels studied with thermal desorption spectroscopy. Steel Research International , 2011, 82(1): 20–25 doi: 10.1002/srin.201000227
7	Olden V, Thaulow C, Johnsen R. Modelling of hydrogen diffusion and hydrogen induced cracking in supermartensitic and duplex stainless steels. Materials & Design , 2008, 29(10): 1934–1948 doi: 10.1016/j.matdes.2008.04.026
8	Ulmer D G, Altstetter C J. Hydrogen-induced strain localization and failure of austenitic stainless steels at high hydrogen concentrations. Acta Metallurgica et Materialia , 1991, 39(6): 1237–1248 doi: 10.1016/0956-7151(91)90211-I
9	Sugiyama S, Ohkubo H, Takenaka M, Ohsawa K, Ansari M I, Tsukuda N, Kuramoto E. The effect of electrical hydrogen charging on the strength of 316 stainless steel. Journal of Nuclear Materials , 2000, 283: 863–867 doi: 10.1016/S0022-3115(00)00346-9
10	Herms E, Olive J M, Puiggali M. Hydrogen embrittlement of 316L type stainless steel. Materials Science and Engineering A , 1999, 272(2): 279–283 doi: 10.1016/S0921-5093(99)00319-6
11	Jiang Y, Gong J M, Tang J Q, Geng L Y. Experimental Investigation of Hydrogen Effect on Mechanical Properties of 304L Stainless Steel. ASME 2008 Pressure Vessels and Piping Conference , Chicago: ASME PVP, 2008, 6(A/B): 211–216
12	Yang Y J, Gao K W, Chen C F. Hydrogen-induced cracking behaviors of Incoloy alloy 825. International Journal of Minerals, Metallurgy and Materials , 2010, 17(1): 58–62 doi: 10.1007/s12613-010-0110-5
13	Rozenak P, Zevin L S, Eliezer D. Internal stress in austenitic steels cathodically charged with hydrogen. Journal of Materials Science Letters , 1983, 2(2): 63–66 doi: 10.1007/BF00725432
14	Rozenak P, Loew A. Stress distribution due to hydrogen concentrations in electrochemically charged and aged austenitic stainless steel. Corrosion Science , 2008, 50(11): 3021–3030 doi: 10.1016/j.corsci.2008.08.045

[1]	Boxing WANG, Chunlin ZHOU, Ziheng DUAN, Qichao ZHU, Jun WU, Rong XIONG. Untethered quadrupedal hopping and bounding on a trampoline[J]. Front. Mech. Eng., 2020, 15(2): 181-192.
[2]	PU Jinhuan, YIN Chenliang, ZHANG Jianwu. Fuel optimal control of parallel hybrid electric vehicles[J]. Front. Mech. Eng., 2008, 3(3): 337-342.

Viewed

Full text

Abstract

Cited

Shared

Discussed