Zr-1Nb合金的耐腐蚀性能与氧化膜中应力和缺陷的关系（英文）
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摘要
采用2种时间间隔加热和冷却高压釜的腐蚀试验研究了Zr-1Nb合金在360℃,18.6 MPa, 0.01 mol/L LiOH水溶液中的耐腐蚀性能;用卷曲法测量了氧化膜中的应力;利用离子迁移方法(IMM)测量了氧化膜中的缺陷数量。结果表明:在腐蚀初期,短时间间隔方式下样品氧化膜中的应力水平和缺陷密度都比长时间间隔方式下的低,前者在腐蚀后期表现出更佳的耐腐蚀性能。这说明在2种时间间隔方式下,腐蚀初期样品的增重在没有明显差别的情况下,氧化膜中的应力水平和缺陷密度均已存在显著的差别,从而造成氧化膜显微组织演化速率的不同,进而引起合金耐腐蚀性能的差别。
Corrosion tests with two approaches of distinct time intervals for heating and cooling in autoclave were carried out to investigate the stress, defect density in the oxide film and corrosion resistance of Zr-1 Nb alloy in the 0.01 mol/L LiOH aqueous solution at 360 ℃, 18.6 MPa. The stress and defect density in the oxide film were measured by a curl method and the Ion Migration Method(IMM), respectively. Results show that the stress level and defect density in the oxide film in the shorter interval corrosion tests are lower than those in the longer interval corrosion tests at the initial stage of corrosion. The corrosion resistance in the subsequent stages of corrosion is better in the shorter interval corrosion tests. It indicates that at the initial stage of corrosion the mass gain shows no obvious difference between the two approaches of corrosion tests in autoclave under different time intervals for heating and cooling. However, the stress level and defect density in the oxide film exhibit noticeable differences, which leads to two distinct microstructural evolution rates of the oxide film and then results in different corrosion resistance in the subsequent corrosion stages.
Corrosion tests with two approaches of distinct time intervals for heating and cooling in autoclave were carried out to investigate the stress, defect density in the oxide film and corrosion resistance of Zr-1 Nb alloy in the 0.01 mol/L LiOH aqueous solution at 360 ℃, 18.6 MPa. The stress and defect density in the oxide film were measured by a curl method and the Ion Migration Method(IMM), respectively. Results show that the stress level and defect density in the oxide film in the shorter interval corrosion tests are lower than those in the longer interval corrosion tests at the initial stage of corrosion. The corrosion resistance in the subsequent stages of corrosion is better in the shorter interval corrosion tests. It indicates that at the initial stage of corrosion the mass gain shows no obvious difference between the two approaches of corrosion tests in autoclave under different time intervals for heating and cooling. However, the stress level and defect density in the oxide film exhibit noticeable differences, which leads to two distinct microstructural evolution rates of the oxide film and then results in different corrosion resistance in the subsequent corrosion stages.
引文
1IAEA-TECDOC-996.WatersideCorrosionofZirconiumAlloysinNuclearPowerPlants[R].Vienna:International Atomic Energy Agency, 1998:1011
2 Zhou Bangxin, Li Qiang, Liu Wenqing et al. Rare Metal Materials and Engineering[J], 2006, 35(7):1009(in Chinese)
3 NiN,Lozano-PerezS,JenkinsMLetal.ScriptaMaterialia[J], 2010, 62:564
4 ZhouBX,LiQ,YaoMYetal.15thInternational Symposium[C]. West Conshohocken:ASTM STP 1505,2008:360
5DuChenxi,PengJianchao,LiHuietal.ActaMetallurgica Sinica[J], 2011, 47(7):887(in Chinese)
6 ZhouBangxin,LiQiang,YaoMeiyietal.Corrosionand Protection[J], 2009, 30(9):589(in Chinese)
7 ZhouBX,LiQ,HuangQetal.NuclearPowerEngineering[J], 2000, 21(5):439(in Chinese)
8 ZhouBX,PengJC,YaoMYetal.16thInternational Symposium[C]. West Conshohocken:ASTM STP 1529, 2011:620
9ZhouBX,LiQ,YaoMYetal.NuclearPower Engineering[J], 2005, 26(4):364(in Chinese)
10 GengJQ,ZhouBX,YaoMYetal.JournalofShanghai University[J], 2011, 17(3):291(in Chinese)
11 GouSQ,ZhouBX,ChenCMetal.CorrosionScience[J],2015, 92(3):237
12 Hu J, Garner A, Ni A N et al. Micron[J], 2015, 69(12):35
13 SunGC,ZhouBX,YaoMYetal.ActaMetallurgica Sinica[J], 2012, 48(9):1103(in Chinese)
14 DongY,MottaAT,MarquisEA.JournalofNuclear Materials[J], 2013, 442(11):270
15 KimHG,ChoiBK,ParkJYetal.JournalofAlloys&Compounds[J], 2009, 481(7):867
16 YardleySS,MooreKL,NiNetal.JournalofNuclear Materials[J], 2013, 443(11):436
17 Vermaak N, Parry G, Estevez R et al. Acta Materials[J], 2013,61(7):4374
18 PolatidisE,FrankelP,WeiJetal.JournalofNuclear Materials[J], 2013, 432(1):102
19 Chen L Y, Li J X, Zhang Y et al. Corrosion Science[J], 2015,100(11):651
20 AnnandKJ,MacLarenI,GassM.JournalofNuclear Materials[J], 2015, 465(10):390
21 NichollsRJ,NiN,Lozano-PerezSetal.Advanced Engineering Materials[J], 2015, 17(2):211
22 LongCS,WeiTG,ChenHSetal.NuclearPower Engineering[J], 2016, 37(2):87(in Chinese)
23 ZhouBX.JournalofChineseSocietyofCorrosionand Protection[J], 1990, 10(3):197
24 BradhurstDH,HeuerPM.JournalofNuclearMaterials[J],1970, 37(10):35
25 LiuWQ,LiQ,ZhouBXetal.RareMetalMaterialsand Engineering[J], 2004, 33(10):1112(in Chinese)
26 LongCS,WeiTG,ChenHS.MethodandApparatusfor QuantitativelyMeasuringMicroDefectofOxideFilm. China Patent, 201510376679.9[P], 2015(in Chinese)
27 BojinovM,KarastoyanovV,KinnunenPetal.Corrosion Science[J], 2010, 52(1):54
28Sun F T, Yao M Y, Long X et al. Journal of Shanghai University[J], 2015, 21(2):182(in Chinese)
29 Yao M Y, Gao C Y, Huang J et al. Corrosion Science[J], 2015,100(11):169
30 Huang J, Yao M Y, Gao C Y et al. Corrosion Science[J], 2016,104(3):269
31 CaldwellLC,CaldwellP.JournalofNuclearMaterials[J],2013, 432(1):222
32 Huang J, Yao M Y, Gao C Y et al. Corrosion Science[J], 2015,99(10):172
33 Yu J, Liu X Q. Materials Letters[J], 2007, 61(1):355
2 Zhou Bangxin, Li Qiang, Liu Wenqing et al. Rare Metal Materials and Engineering[J], 2006, 35(7):1009(in Chinese)
3 NiN,Lozano-PerezS,JenkinsMLetal.ScriptaMaterialia[J], 2010, 62:564
4 ZhouBX,LiQ,YaoMYetal.15thInternational Symposium[C]. West Conshohocken:ASTM STP 1505,2008:360
5DuChenxi,PengJianchao,LiHuietal.ActaMetallurgica Sinica[J], 2011, 47(7):887(in Chinese)
6 ZhouBangxin,LiQiang,YaoMeiyietal.Corrosionand Protection[J], 2009, 30(9):589(in Chinese)
7 ZhouBX,LiQ,HuangQetal.NuclearPowerEngineering[J], 2000, 21(5):439(in Chinese)
8 ZhouBX,PengJC,YaoMYetal.16thInternational Symposium[C]. West Conshohocken:ASTM STP 1529, 2011:620
9ZhouBX,LiQ,YaoMYetal.NuclearPower Engineering[J], 2005, 26(4):364(in Chinese)
10 GengJQ,ZhouBX,YaoMYetal.JournalofShanghai University[J], 2011, 17(3):291(in Chinese)
11 GouSQ,ZhouBX,ChenCMetal.CorrosionScience[J],2015, 92(3):237
12 Hu J, Garner A, Ni A N et al. Micron[J], 2015, 69(12):35
13 SunGC,ZhouBX,YaoMYetal.ActaMetallurgica Sinica[J], 2012, 48(9):1103(in Chinese)
14 DongY,MottaAT,MarquisEA.JournalofNuclear Materials[J], 2013, 442(11):270
15 KimHG,ChoiBK,ParkJYetal.JournalofAlloys&Compounds[J], 2009, 481(7):867
16 YardleySS,MooreKL,NiNetal.JournalofNuclear Materials[J], 2013, 443(11):436
17 Vermaak N, Parry G, Estevez R et al. Acta Materials[J], 2013,61(7):4374
18 PolatidisE,FrankelP,WeiJetal.JournalofNuclear Materials[J], 2013, 432(1):102
19 Chen L Y, Li J X, Zhang Y et al. Corrosion Science[J], 2015,100(11):651
20 AnnandKJ,MacLarenI,GassM.JournalofNuclear Materials[J], 2015, 465(10):390
21 NichollsRJ,NiN,Lozano-PerezSetal.Advanced Engineering Materials[J], 2015, 17(2):211
22 LongCS,WeiTG,ChenHSetal.NuclearPower Engineering[J], 2016, 37(2):87(in Chinese)
23 ZhouBX.JournalofChineseSocietyofCorrosionand Protection[J], 1990, 10(3):197
24 BradhurstDH,HeuerPM.JournalofNuclearMaterials[J],1970, 37(10):35
25 LiuWQ,LiQ,ZhouBXetal.RareMetalMaterialsand Engineering[J], 2004, 33(10):1112(in Chinese)
26 LongCS,WeiTG,ChenHS.MethodandApparatusfor QuantitativelyMeasuringMicroDefectofOxideFilm. China Patent, 201510376679.9[P], 2015(in Chinese)
27 BojinovM,KarastoyanovV,KinnunenPetal.Corrosion Science[J], 2010, 52(1):54
28Sun F T, Yao M Y, Long X et al. Journal of Shanghai University[J], 2015, 21(2):182(in Chinese)
29 Yao M Y, Gao C Y, Huang J et al. Corrosion Science[J], 2015,100(11):169
30 Huang J, Yao M Y, Gao C Y et al. Corrosion Science[J], 2016,104(3):269
31 CaldwellLC,CaldwellP.JournalofNuclearMaterials[J],2013, 432(1):222
32 Huang J, Yao M Y, Gao C Y et al. Corrosion Science[J], 2015,99(10):172
33 Yu J, Liu X Q. Materials Letters[J], 2007, 61(1):355