Hydrogen-assisted fracture features of a high strength ferrite-pearlite steel

doi:10.1016/j.jmst.2018.12.019

材料科学与技术 ›› 2019, Vol. 35 ›› Issue (6): 1081-1087.DOI: 10.1016/j.jmst.2018.12.019

收稿日期:2018-08-30 修回日期:2018-11-14 接受日期:2018-11-30 出版日期:2019-06-20 发布日期:2019-06-19

Hydrogen-assisted fracture features of a high strength ferrite-pearlite steel

Yuefeng Jiang^a^b, Bo Zhang^a^*(), Dongying Wang^c, Yu Zhou^a, Jianqiu Wang^a, En-Hou Han^a, Wei Kea^a

^aCAS Key Laboratory of Nuclear Materials and Safety Assessment, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China
^bSchool of Materials Science and Engineering, University of Science and Technology of China, Shenyang 110016, China
^cShenyang Blower Works Group Corporation, Shenyang 110869, China

Received:2018-08-30 Revised:2018-11-14 Accepted:2018-11-30 Online:2019-06-20 Published:2019-06-19
Contact: Zhang Bo
About author:
¹ These authors contributed equally to this work.

摘要/Abstract

Abstract:

Up to now, the exact reason of hydrogen-induced fracture for ferrite-pearlite (FP) steel is still not fully understood. This study presents detail observations of the feature beneath the fracture surface with the aim to reveal the hydrogen-induced cracking initiation and propagation processes. Slow strain rate tensile (SSRT) testing shows that the FP steel is sensitive to hydrogen embrittlement (HE). Focused ion beam (FIB) was used to prepare samples for TEM observations after HE fracture. The corresponding fractographic morphologies of hydrogen charged specimen exhibit intergranular (IG) and quasi-cleavage (QC) fracture feature. Pearlite colony, ferrite/pearlite (F/P) boundary and the adjacent ferrite matrix are found to be responsible for the initial HE fracture and the subsequent propagation. With increasing of the stress intensity factor, fracture mode is found to change from mixed IG and QC to entire QC feature which only occurs at the ferrite matrix. No crack is observed at the ferrite/cementite (F/C) interface. This may be mainly due to the limited pearlite lamella size and relatively low interface energy.

Key words: Ferrite-pearlite steel, TEM, Fracture, Hydrogen embrittlement

. [J]. 材料科学与技术, 2019, 35(6): 1081-1087.

Yuefeng Jiang, Bo Zhang, Dongying Wang, Yu Zhou, Jianqiu Wang, En-Hou Han, Wei Kea. Hydrogen-assisted fracture features of a high strength ferrite-pearlite steel[J]. J. Mater. Sci. Technol., 2019, 35(6): 1081-1087.

图/表 6

Fig. 1. Typical microstructure micrographs of FP steel showing ferrite and pearlite structure: (a) SEM micrograph of ferrite (dark) and pearlite (bright), (b) SEM micrograph of pearlite colony with lamellar F/C interfaces, (c) TEM micrograph of F/P boundary with several intersections between F/C interface and F/P boundary and (d) TEM micrograph of two pearlite colonies with different orientations.

Fig. 2. XRD spectrum of the FP steel after heat treatment.

Fig. 3. Measurement of the hydrogen desorption activation energy: (a) a typical hydrogen desorption curve of the FP steel with heating rate of 100 °C/h, and (b) the plots of $ln(\emptyset/T_{p}^{2})$ versus 1/Tp for the two hydrogen desorption peaks.

Fig. 4. Typical SSRT curves for FP steels at a constant strain rate of 1 × 10-5s-1 at 298 K in the air and in hydrogen charging environment at current density of 10 mA/cm2.

Fig. 5. SEM images of the cracking FP steel after SSRT: (a) fracture surface center of the uncharged sample with numerous dimples, (b) the edge of fracture surface of the hydrogen charged samples showing a mixed fracture mode with IG and QC feature, (c) subcracks observation showing hydrogen induced crack nucleation (a microcrack) at pearlite colony boundary, F/P boundary and the adjacent ferrite matrix with IG and QC feature, and (d) QC fracture mode with some “featureless” flat regions in the center of fracture surface.

Fig. 6. TEM observations of the microstructure beneath the QC fracture surface. (a) the specific site for TEM foils with three tear ridges, (b) bright-field image and corresponding SAED pattern of one tear ridge with Pt layer, and (c) EDX elemental mapping of C.

参考文献

[1]	Y.K. Zhao, M.Y. Seok, I.C. Choi, Y.H. Lee, S.J. Park, U. Ramamurty, J.Y. Suh, J.I. Jang, Scr. Mater. 107 (2015) 46-49.
[2]	M. Dadfarnia, M.L. Martin, A. Nagao, P. Sofronis, I.M. Robertson, J. Mech. Phys. Solids 78 (2015) 511-525.
[3]	M. Sun, K. Xiao, C. Dong, X. Li, P. Zhong, Corros. Sci. 89 (2014) 137-145.
[4]	A. Nagao, M.L. Martin, M. Dadfarnia, P. Sofronis, I.M. Robertson, Acta Mater. 74 (2014) 244-254.
[5]	M. Koyama, H. Springer, S.V. Merzlikin, K. Tsuzaki, E. Akiyama, D. Raabe, Int. J. Hydrogen Energy 39 (2014) 4634-4646.
[6]	M. Hatano, M. Fujinami, K. Arai, H. Fujii, M. Nagumo, Acta Mater. 67 (2014) 342-353.
[7]	T. Doshida, K. Takai, Acta Mater. 79 (2014) 93-107.
[8]	M. Koyama, E. Akiyama, K. Tsuzaki, D. Raabe, Acta Mater. 61 (2013) 4607-4618.
[9]	A. Nagao, C.D. Smith, M. Dadfarnia, P. Sofronis, I.M. Robertson, Acta Mater. 60 (2012) 5182-5189.
[10]	K. Shibanuma, Y. Nemoto, T. Hiraide, K. Suzuki, S. Sadamatsu, Y. Adachi, S. Aihara, Acta Mater. 144 (2018) 386-399.
[11]	C. Park, N. Kang, S. Liu, Corros. Sci. 128 (2017) 33-41.
[12]	G.T. Park, S.U. Koh, H.G. Jung, K.Y. Kim, Corros. Sci. 50 (2008) 1865-1871.
[13]	M.L. Martin, J.A. Fenske, G.S. Liu, P. Sofronis, I.M. Robertson, Acta Mater. 59 (2011) 1601-1606.
[14]	Y. Nemoto, K. Shibanuma, K. Suzuki, S. Sadamatsu, Y. Adachi, S. Aihara, ISIJ Int. 57 (2017) 746-754.
[15]	S. Wang, A. Nagao, P. Sofronis, I.M. Robertson, Acta Mater. 144 (2018) 164-176.
[16]	I. Moro, L. Briottet, P. Lemoine, E. Andrieu, C. Blanc, G. Odemer, Mater. Sci. Eng. A 527 (2010) 7252-7260.
[17]	E.J. McEniry, T.Hickel, J. Neugebauer, Acta Mater. 150 (2018) 53-58.
[18]	M. Dadfarnia, P. Novak, D.C. Ahn, J.B. Liu, P. Sofronis, D.D. Johnson, I.M. Robertson, Adv. Mater. 22 (2010) 1128-1135.
[19]	I.M. Robertson, P. Sofronis, A. Nagao, M.L. Martin, S. Wang, D.W. Gross, K.E. Nygren, Metall. Mater. Trans. B 46 (2015) 1085-1103.
[20]	W. Choo, J.Y. Lee, Metall. Trans. A 13 (1982) 135-140.
[21]	S.-M. Lee, J.-Y. Lee, Metall. Trans. A 17 (1986) 181-187.
[22]	H.E. Kissinger, Anal. Chem. 29 (1957) 1702-1706.
[23]	M. Meisnar, M. Moody, S. Lozano-Perez, Corros. Sci. 98 (2015) 661-671.
[24]	K. Takai, R. Watanuki, ISIJ Int. 43 (2003) 520-526.
[25]	K.-i. Takai, Y. Chiba, K. Noguchi, A. Nozue, Metall. Mater. Trans. A 33 (2002) 2659-2665.
[26]	R.B. McLellan, J. Phys. Chem. Solids 49 (1988) 1213-1217.
[27]	V. Gavriljuk, V. Bugaev, Y.N. Petrov, A. Tarasenko, B. Yanchitski, Scr. Mater. 34 (1996) 903-907.
[28]	Y. Tateyama, T. Ohno, Phys. Rev. B 67 (2003), Article 174105.
[29]	R. Nazarov, T. Hickel, J. Neugebauer, Phys. Rev. B 82 (2010), Article 224104.
[30]	Y. Jiang, B. Zhang, Y. Zhou, J. Wang, E.-H. Han, W.Ke, J. Mater. Sci. Technol. 34 (2018) 1344-1348.
[31]	Y. Fan, B. Zhang, H. Yi, G. Hao, Y. Sun, J. Wang, E.-H. Han, W.Ke, Acta Mater. 139 (2017) 188-195.
[32]	Z.-D. Li, G.Miyamoto, Z.-G. Yang, T. Furuhara, Scr. Mater. 60 (2009) 485-488.
[33]	Y. Zhang, C. Esling, M. Gong, G. Vincent, X. Zhao, L. Zuo, Scr. Mater. 54 (2006) 1897-1900.
[34]	H. Fecht, E. Hellstern, Z. Fu, W. Johnson, Metall. Trans. A 21 (1990) p. 2333.
[35]	P. Novak, R. Yuan, B.P. Somerday, P. Sofronis, R.O. Ritchie, J. Mech. Phys. Solids 58 (2010) 206-226.
[36]	D. Zhou, G. Shiflet, Metall. Trans. A 23 (1992) 1259-1269.
[37]	Y. Zhang, C. Esling, M. Calcagnotto, X. Zhao, L. Zuo, J. Appl. Crystallogr. 40 (2007) 849-856.
[38]	E. Orowan, Internal Stress in Metals and Alloys, The Institute of Metals London 1948 pp. 451.
[39]	W.-Y. Chu, T.-H. Liu, C.-M. Hsiao, S.-Q. Li, Corrosion 37 (1981) 320-327.
[40]	H.-L. Li, K. Gao, L. Qiao, Y. Wang, W. Chu, Corrosion 57 (2001) 295-299.
[41]	Y. Zhang, D. Shi, W. Chu, L. Qiao, Y. Shi, S. Zheng, S. Wang, Mater. Sci. Eng. A 471 (2007) 34-37.
[42]	W. Gerberich, J. Gary, J. Lessar, Grain size and concentration effects in internal and external hydrogen embrittlement, in: Effect of Hydrogen on Behavior of Materials 1976, pp. 70-82.
[43]	V. Tvergaard, J.W. Hutchinson, J. Mech. Phys. Solids 40 (1992) 1377-1397.
[44]	S. Lynch, Hydrogen embrittlement (HE) phenomena and mechanisms, Stress Corrosion Cracking Elsevier(2011) pp. 90-130.

Hydrogen-assisted fracture features of a high strength ferrite-pearlite steel

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