1.钢铁研究总院有限公司特殊钢研究院,北京 100081
2.钢研纳克检测技术股份有限公司,北京 100081
3.抚顺特殊钢股份有限公司技术中心,抚顺 113001
田帅(1989―),男,工程师,博士;E-mail:tianshuai@nercast.com
刘振宝(1977―),男,教授,硕士生导师;E-mail:liuzhenbao@nercast.com
收稿:2023-05-29,
纸质出版:2024-01-30
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田帅,张雪凌,刘振宝等.Nb微合金化对Cr-Co-Ni-Mo系超高强度不锈钢腐蚀疲劳性能的影响[J].特殊钢,2024,45(01):103-110.
Tian Shuai,Zhang Xueling,Liu Zhenbao,et al.Effect of Niobium Alloying on the Corrosion Fatigue Properties of the Cr-Co-Ni-Mo Series of Ultra-high Strength Stainless Steels[J].Special Steel,2024,45(01):103-110.
田帅,张雪凌,刘振宝等.Nb微合金化对Cr-Co-Ni-Mo系超高强度不锈钢腐蚀疲劳性能的影响[J].特殊钢,2024,45(01):103-110. DOI: 10.20057/j.1003-8620.2023-00100.
Tian Shuai,Zhang Xueling,Liu Zhenbao,et al.Effect of Niobium Alloying on the Corrosion Fatigue Properties of the Cr-Co-Ni-Mo Series of Ultra-high Strength Stainless Steels[J].Special Steel,2024,45(01):103-110. DOI: 10.20057/j.1003-8620.2023-00100.
为探讨超高强度不锈钢的应力腐蚀开裂行为,采用Cr-Co-Ni-Mo系超高强度不锈钢为研究对象,利用OM、XRD、TEM等测试手段,结合腐蚀疲劳试验,研究了Nb微合金化对Cr-Co-Ni-Mo系超高强度不锈钢腐蚀疲劳性能的影响。结果表明,试验钢在3.5% NaCl溶液中具有一定的应力腐蚀敏感性,其应力腐蚀开裂机理为氢致开裂和阳极溶解的混合机制。Nb微合金化提高了钢的腐蚀疲劳性能,钢中添加0.11%的Nb后,钢的腐蚀疲劳强度由440 MPa提高至495 MPa,其主要原因是, Nb微合金化可以细化钢的晶粒尺寸,促进钢中不可逆氢陷阱NbC的析出,增加了钢中原奥氏体晶界总量、小角晶界所占比例、Σ3晶界数量、奥氏体体积分数等。
In order to investigate the stress corrosion cracking behavior of ultra-high strength stainless steel, the influence of Nb microalloying on the corrosion fatigue properties of Cr-Co-Ni-Mo series ultra-high strength stainless steel was studied by OM, XRD, TEM and other testing methods in combination with corrosion fatigue test. The results show that the steel has stress corrosion sensitivity in 3.5% NaCl solution, and the stress corrosion cracking mechanism of the steel was a mixed mechanism involving hydrogen embrittlement and anodic dissolution. Niobium alloying improved the corrosion fatigue performance of the steel, that is, the corrosion fatigue strength of steel increases from 440 MPa to 495 MPa after adding 0.11% Nb. The main reason is that niobium alloying refined the grain size of steel, promoted the precipitation of irreversible hydrogen trap of NbC in steel, and increased the amount of prior austenite grain boundaries, the proportion of low-angle grain boundaries, the number of Σ3 grain boundaries, and the volume fraction of austenite in steel.
Anil Kumar V , Karthikeyan M K , Gupta R K , et al . Aging behavior in 15-5 PH precipitation hardening martensitic stainless steel [J]. Materials Science Forum , 2012 , 710 : 483 - 488 .
Jiao Z B , Luan J H , Miller M K , et al . Co-precipitation of nanoscale particles in steels with ultra-high strength for a new era [J]. Materials Today , 2017 , 20 ( 3 ): 142 - 154 .
王晓辉 , 罗海文 . 飞机起落架用超高强度不锈钢的研究及应用进展 [J]. 材料工程 , 2019 , 47 ( 9 ): 1 - 12 .
Matsuo S , Ando T , Grant N J . Grain refinement and stabilization in spray-formed AISI 1020 steel [J]. Materials Science and Engineering: A , 2000 , 288 ( 1 ): 34 - 41 .
Adamczyk J , Kalinowska-Ozgowicz E , Ozgowicz W , et al . Interaction of carbonitrides V(C, N) undissolved in austenite on the structure and mechanical properties of microalloyed V-N steels [J]. Journal of Materials Processing Technology , 1995 , 53 ( 1-2 ): 23 - 32 .
Hong , Qiao , Liu , et al . Effect of grain size on collective damage of short cracks and fatigue life estimation for a stainless steel [J]. Fatigue & Fracture of Engineering Materials & Structures , 1998 , 21 ( 11 ): 1317 - 1325 .
曹红福 , 王毛球 , 孙鸿平 , 等 . 20MnCr5齿轮钢氧含量控制及其对钢的疲劳性能影响 [J]. 特殊钢 , 2023 , 44 ( 1 ): 1 - 4 .
赵培林 , 孙新军 , 汤化胜 , 等 . Nb微合金化对热轧700 MPa超高强耐候钢组织和性能的影响 [J]. 特殊钢 , 2012 , 33 ( 1 ): 46 - 50 .
Takai K , Seki J , Homma Y . Observation of trapping sites of hydrogen and deuterium in high-strength steels by using secondary ion mass spectrometry [J]. Materials Transactions, JIM , 1995 , 36 ( 9 ): 1134 - 1139 .
Gomes da Silva M J , Cardoso J L , Carvalho D S , et al . The effect of prior austenite grain size on hydrogen embrittlement of Co-containing 18Ni 300 maraging steel [J]. International Journal of Hydrogen Energy , 2019 , 44 ( 33 ): 18606 - 18615 .
Masoumi M , Tavares S S M , Pardal J M , et al . The role of microstructure and grain orientations on intergranular cracking susceptibility of UNS 17400 martensitic stainless steel [J]. Engineering Failure Analysis , 2017 , 79 : 198 - 207 .
Masoumi M , Silva C C , de Abreu H F G . Effect of crystallographic orientations on the hydrogen-induced cracking resistance improvement of API 5L X70 pipeline steel under various thermomechanical processing [J]. Corrosion Science , 2016 , 111 : 121 - 131 .
Gertsman V Y , Tangri K . Modelling of intergranular damage propagation [J]. Acta Materialia , 1997 , 45 ( 10 ): 4107 - 4116 .
Gertsman V Y , Janecek M , Tangri K . Grain boundary ensembles in polycrystals [J]. Acta Materialia , 1996 , 44 ( 7 ): 2869 - 2882 .
Gertsman V Y , Bruemmer S M . Study of grain boundary character along intergranular stress corrosion crack paths in austenitic alloys [J]. Acta Materialia , 2001 , 49 ( 9 ): 1589 - 1598 .
Reed B W , Kumar M . Mathematical methods for analyzing highly-twinned grain boundary networks [J]. Scripta Materialia , 2006 , 54 ( 6 ): 1029 - 1033 .
Yang J L , Huang F , Guo Z H , et al . Effect of retained austenite on the hydrogen embrittlement of a medium carbon quenching and partitioning steel with refined microstructure [J]. Materials Science and Engineering: A , 2016 , 665 : 76 - 85 .
Ritchie R O , Castro Cedeno M H , Zackay V F , et al . Effects of silicon additions and retained austenite on stress corrosion cracking in ultrahigh strength steels [J]. Metallurgical Transactions A , 1978 , 9 ( 1 ): 35 - 40 .
Ohnuma M , Suzuki J I , Wei F G , et al . Direct observation of hydrogen trapped by NbC in steel using small-angle neutron scattering [J]. Scripta Materialia , 2008 , 58 ( 2 ): 142 - 145 .
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