Please wait a minute...
J Chin Soc Corr Pro  2009, Vol. 29 Issue (1): 30-34    DOI:
技术报告 Current Issue | Archive | Adv Search |
EXFOLIATION CORROSION BEHAVIORS OF Al-Cu-Li-(Sc+Zr) ALLOY
LIANG Wenjie;PAN Qinglin;LI Yunchun;HE Yunbin;LI Wenbin;ZHOU Yingchun;LU Congge
School of Materials Science and Engineering; Central South University; Changsha 410083
Download:  PDF(1682KB) 
Export:  BibTeX | EndNote (RIS)      
Abstract  

Exfoliation corrosion behavior of Al-Cu-Li-(Sc+Zr) alloy with different aging treatment schemes were studied. The results show that the naturally-aged alloy has the best exfoliation corrosion resistance. The exfoliation corrosion are accelerated with prolonging the aging time at 160℃. Microstructure observations showed that the main precipitate of alloy is T1 phase. With increasing the aging time, T1 phase coarsened, and precipitate-free-zone (PFZ) and equilibrium phases were observed along grain boundaries. The exfoliation corrosion behaviors of Al-Cu-Li-(Sc+Zr) alloys were investigated through TEM. It is shown that T1 phase and PFZ are the main factors for the exfoliation corrosion behavior of the alloy. The corrosion of the alloy begins with the dissolution of T1 followed by the dissolution of PFZ.

Key words:  aging      Al-Li alloy      exfoliation corrosion      TEM     
Received:  28 March 2007     
ZTFLH: 

TG174.3

 
Corresponding Authors:  PAN Qinglin     E-mail:  pql@mail.csu.edu.cn

Cite this article: 

LIANG Wenjie PAN Qinglin LI Yunchun HE Yunbin LI Wenbin ZHOU Yingchun LU Congge. EXFOLIATION CORROSION BEHAVIORS OF Al-Cu-Li-(Sc+Zr) ALLOY. J Chin Soc Corr Pro, 2009, 29(1): 30-34.

URL: 

https://www.jcscp.org/EN/     OR     https://www.jcscp.org/EN/Y2009/V29/I1/30

[1] Yin D F,Zheng Z Q. History and current status of Al-Li alloys research and development[J].Mater. Rev., 2003,17(2):18-20
(尹登峰,郑子樵.铝锂合金研究开发的历史与现状[J]. 材料导报,2003,17(2):18-20)
[2] Qiu H Z,Wu Z H. Development of aerospace materials abroad[J]. Aerospace Mater. Technol.,1997,1(4):5-13
(邱惠中,吴志红.国外航天材料的新进展[J]. 宇航材料工艺,1997,1(4):5-13)
[3] Tian R Z,Wang Z T. Processing of Aluminum Alloy[M]. Changsha:Central South University Press,2000
(田荣璋,王祝堂. 铝合金及其加工手册[M]. 长沙:中南大学出版社,2000)
[4] He J P,Chen W L,Xu W,et al. Effect of exfoliation on structure and tensile strength of LC4CS aluminum alloy at constant temperature[J]. Trans.Nanjing Univ. Aeronaut. Astronaut.,1999,31(5):575-579
(何建平,陈文理,许玮等.恒温剥蚀对LC4CS铝合金结构和力学性能的影响[J]. 南京航空航天大学学报,1999,31(5):575-579)
[5] Li J F,Cao F H,Zhang Z,et al. Review on exfoliation susceptibility of aluminium alloys and quantitative measurement method[J]. J. Chin. Soc. Corros.Prot.,2004,24 (1) : 55-58
(李劲风,曹发和,张昭等. 铝合金剥蚀敏感性及其定量研究方法[J]. 中国腐蚀与防护学报,2004,24 (1):55-58)
[6] Zhou C R,Pan Q L,Zhu C M,et al. Development and study of new types aluminum-lithium alloys[J]. Mater. Rev.,2004,26(6):70-75
(周昌荣,潘青林,朱朝明等. 新型铝锂合金的研究和进展[J]. 材料导报,2004,26(6):70-75)
[7] Wang X Y,Pan Q L,Zhou C R,et al. Recent situation and development trend of Sc containing Al-Li alloy[J]. Chinese Rare Earths,2005,26(6):70-75
(王新宇,潘青林,周昌荣等. 含钪铝锂合金的研究与发展[J]. 稀土,2005,26(6):70-75)
[8] ASTM G34-2001. Standard test method for exfoliation corrosion susceptibility in 2XXX and 7XXX. series aluminium alloys[S].
[9] Su J X,Zhang Z,Cao F H,et al. Review on the intergranular corrosion and exfoliation corrosion of aluminum alloys[J]. J. Chin. Soc. Corros. Prot.,2005,25(3):187-192
(苏景新,张昭,曹发和等. 铝合金的晶间腐蚀与剥蚀[J]. 中国腐蚀与防护学报,2005,25(3):187-192)
[10] Iwamura S,Nakayama M,Miura Y. Coherency between Al3Sc precipitate and the matrix in Al alloys containing Sc[J]. Mater. Sci. Forum,2002,396-402:1151-1156
[11] Buchheit R G,Moran J P,Stoner G E. Localized corros- ion behavior of alloy 2090 the role of microstructure heterogeneity[J]. Corrosion,1990,46(8):610-617
[12] Kumai C,Kusinski J,Thomas G. Influence of aging at 200℃ on the corrosion resistance of Al-Li and Al-Cu-Li alloys[J]. Corrosion,1989,45(4):294-302
[13] Wall F D,Stoner G E. The evaluation of the critical ele- ctrochemical potentials influencing environmentally assisted cracking of Al-Li-Cu alloys in selected environments[J]. Corros.Sci.,1997,39(5):835-853
[14] Wei X Y,Tan C Y,Zheng Z Q. Influence of aging on corr- osion behavior of 2195 Al-Li alloy[J]. Chin. J. Nonferrous. Met.,2004,14(7):1195-1200
(魏修宇,谭澄宇,郑子樵. 时效对2195铝锂合金腐蚀行为的影响[J]. 中国有色金属学报,2004,14(7):1195-1200)
[15] Li G H. Microstructure of 8090 Al-Li alloys welded jo- int[A]. Proceedings of the First National Symposium on Al-Li Alloys [C]. Shenyang,1991
(李敢红. 8090铝锂合金焊接接头微观组织[A]. 第一届全国铝锂合金研讨会论文集[C].沈阳,1991)
[16]  Li J F,Zheng Z Q,Ren W D. Function mechanism of seco- ndary phase on localized corrosion of Al alloy[J]. Mater. Rev.,2005,19(2):81-83
(李劲风,郑子樵,任文达. 第二相在铝合金局部腐蚀中的作用机制[J]. 材料导报,2005,19(2):81-83)

[1] REN Yan, QIAN Yuhai, ZHANG Xintao, XU Jingjun, ZUO Jun, LI Meishuan. Effect of Thermal Shock on Mechanical Properties of Siliconized Graphite with ZrB2-SiC-La2O3/SiC Coating[J]. 中国腐蚀与防护学报, 2021, 41(1): 29-35.
[2] WANG Lei, DONG Junhua, HAN Da, LIANG Jiankun, LI Quan, KE Wei. Phenonmenon of Cu Segregation in Cu-containing steel During Soaking at 1150 ℃[J]. 中国腐蚀与防护学报, 2020, 40(6): 545-552.
[3] LIU Xiao, WANG Hai, ZHU Zhongliang, LI Ruitao, CHEN Zhenyu, FANG Xudong, XU Fanghong, ZHANG Naiqiang. Oxidation Characteristics of Austenitic Heat-resistant Steel HR3C and Sanicro25 in Supercritical Water for Power Station[J]. 中国腐蚀与防护学报, 2020, 40(6): 529-538.
[4] ZHAI Sixin, YANG Xingyun, YANG Jilan, GU Jianfeng. Corrosion Properties of Quenching-Partitioning-Tempering Steel in Simulated Seawater[J]. 中国腐蚀与防护学报, 2020, 40(5): 398-408.
[5] XIE Dongbai, HONG Hao, WANG Wen, PENG Xiao, DUO Shuwang. Oxidation Behavior of Stainless Steel 1Cr11Ni2W2MoV in a Simulated Kerosene Combustion Environment[J]. 中国腐蚀与防护学报, 2020, 40(4): 358-366.
[6] WANG Haiwei, CHANG Sen, LUAN Xin'gang, SONG Xuemei, WANG Zhen, LI Yanzhang, CHEN Jianli, ZHANG Jirong, HAN Ming, QIU Dangui. Preparation and Properties of Ceramics Composed of Nano-Al2O3 and Polysiloxane-polyborosilicate-TiB2 Modified Polysilborazane as High Temperature Adhesive for SiC Based Ceramics[J]. 中国腐蚀与防护学报, 2020, 40(4): 367-372.
[7] ZHANG Zhen, WU Xinqiang, TAN Jibo. Review of Electrochemical Noise Technique for in situ Monitoring of Stress Corrosion Cracking[J]. 中国腐蚀与防护学报, 2020, 40(3): 223-229.
[8] SHEN Shuyang, WANG Dongsheng, SUN Shibin, YANG Ti, ZHAO Qianjing, WANG Xin, ZHANG Yafei, CHANG Xueting. Corrosion Behavior in Artificial Seawater of Subzero Treated EH40 Marine Steel Suitable for ExtremelyCold Environments[J]. 中国腐蚀与防护学报, 2020, 40(2): 151-158.
[9] ZHENG Yanxin, LIU Ying, SONG Qingsong, ZHENG Feng, JIA Yuchuan, HAN Peide. High-temperature Oxidation Behavior and Wear Resistance of Copper-based Composites with Reinforcers of C, ZrSiO4 and Fe[J]. 中国腐蚀与防护学报, 2020, 40(2): 191-198.
[10] WU Dongcai,HAN Peide. Effects of Moderate Temperature Aging Treatment on Corrosion Resistance of SAF2304 DuplexStainless Steel[J]. 中国腐蚀与防护学报, 2020, 40(1): 51-56.
[11] XU Xunhu,HE Cuiqun,XIANG Junhuai,WANG Ling,ZHANG Honghua,ZHENG Xiaodong. High Temperature Oxidation Behavior of Co-20Re-25Cr-1Si Alloy in 0.1 MPa Pure Oxygen[J]. 中国腐蚀与防护学报, 2020, 40(1): 75-80.
[12] CHEN Xu,MA Jiong,LI Xin,WU Ming,SONG Bo. Synergistic Effect of SRB and Temperature on Stress Corrosion Cracking of X70 Steel in an ArtificialSea Mud Solution[J]. 中国腐蚀与防护学报, 2019, 39(6): 477-483.
[13] WEI Xinxin,ZHANG Bo,MA Xiuliang. TEM Investigation to Oxide Scale Formed on Single Crystal Alloy FeCr15Ni15 at High Temperature[J]. 中国腐蚀与防护学报, 2019, 39(5): 417-422.
[14] XIAO Jintao,CHEN Yan,XING Mingxiu,JU Pengfei,MENG Yingen,WANG Fang. Effect of Process Parameters on Corrosion Resistance of Anodizing Film on 2195 Al-Li Alloy[J]. 中国腐蚀与防护学报, 2019, 39(5): 431-438.
[15] YU Mei,WEI Xindi,FAN Shiyang,LIU Jianhua,LI Songmei,ZHONG Jinyan. Corrosion Behavior of 2297 Al-Li Alloy under Tensile Load[J]. 中国腐蚀与防护学报, 2019, 39(5): 439-445.
No Suggested Reading articles found!