钛合金应力腐蚀开裂机理的研究

中国腐蚀与防护学报

1982, Vol. 2

Issue (4): 37-44

研究报告

本期目录 | 过刊浏览

钛合金应力腐蚀开裂机理的研究

黄显亚;朱祖芳;王得明;肖纪美

有色金属研究总院;有色金属研究总院;有色金属研究总院;北京钢铁学院

A STUDY OF THE MECHANISM OF SCC OF TITANIUM ALLOYS

Huang Xianya Zhu Zufang Wang Deming (General Research Institute of Non-ferrous Metals;MMI)Hsiao Chimei (Beijing University of Iron and Steel Technology)

全文: PDF(2689 KB)

摘要: 用微电极法和 pH 试纸法直接测定了 Ti-5 Al-2.5Sn 和 Ti-5 Al-4V 在近中性3.5%wt.NaCl 水溶液中应力腐蚀裂纹顶端溶液的 pH 值,结果在1.7到2.0范围内。模拟实验的结果与上述结果一致。金相跟踪观察证明上述钛合金应力腐蚀裂纹的扩展过程是首先在裂纹前端的塑性区中形成若干小裂纹,然后主裂纹与小裂纹相对扩展并最后连通。用扫描电镜检查了应力腐蚀开裂(SCC)断口形貌。基于这些结果,作者提出并讨论了钛合金 SCC 的模型。

Abstract：The pH value of the crack tip solution of both Ti-5Al-2.5Sn and Ti-5Al- 4V under stress corrosion was measured by micro-electrode methol and indi- cator paper method to be 1.7 to 2.0,while the bulk solution of 3.5%wt NaCl- was nearly neutral.The results so obtained are in good agreement with those obtained from the simulation experiment.The propagation of the SCC was observed dynamically by optical microscope and was proved as follows:some mierocraeks first formed in the plastic region in front of the crack tip, then both the main crack and microcracks extended to each other and con joined finally.The fractography of the SCC was examined by SEM.Based on these experimental results,a model for the SCC of titanium alloys is proposed and discussed.

收稿日期: 1982-08-25

	服务

	把本文推荐给朋友
	加入引用管理器
	E-mail Alert
	RSS
	作者相关文章
	黄显亚
	朱祖芳
	王得明
	肖纪美
44.8K

引用本文:

黄显亚;朱祖芳;王得明;肖纪美. 钛合金应力腐蚀开裂机理的研究[J]. 中国腐蚀与防护学报, 1982, 2(4): 37-44.
. A STUDY OF THE MECHANISM OF SCC OF TITANIUM ALLOYS. J Chin Soc Corr Pro, 1982, 2(4): 37-44.

链接本文:

https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y1982/V2/I4/37

[1] B.F.Brown ed.:Stress Corrosion Cracking in High Strength Steel and Titanium and Aluminium Alloys,NRL,Washington D.C.,(1972)
[2] ASTM:Stress Corrosion Cracking of Titanium,STB397,Philadelphia(1906)
[3] J.C.Scully ed:The Theory of Stress Corrosion Cracking in Alloys,Brussels,(1971)
[4] T.R.Beck:Stress Corrosion Cracking of Titanium,Advances of Corrosion Science and Technology,3．
[5] J.M.Beinstein and A.W.Thompson.ed.:Hydrogen in Meatls,ASM,(1974)
[6] A.W.Thompson and J.M.Beinstein ed.:Effect of Hydrogen on Behavior of Ma terials,Met.Soc.AIME,N.Y.(1976)
[7] 沢田忠雄,铃木辉夫:化学工业中の応力腐食破裂,(1976)
[8] H.P.Lackie:Corrosion,23,187(1967)
[9] T.R.Beck:J.Electrochem.Soc.,114,551(1967)
[10] I.L.Rosenfield etat.:EUROCO,77,485(1977)
[11] T.R.Beck:See[3] p.64．
[12] G.Sanderson and J.C.Scully:Corrosion Science,6,541(1966)
[13] G.Sanderson and J.C.Scully:Trans.AIME,239,1883(1967)
[14] J.C.Scully,Corrosion Science.7,197(1967)
[15] D.T.Powell and J.C.Scully:Corrosien,24,151(1968)
[16] G.Sanderson et al.:Corrosion Science,8,473(1968)
[17] H.G.Nelson:See[5] ,p.445．
[18] B.F.Brown et al.:J.Electrochem.Soc.,116,218(1969)
[19] R.Piccinini et al.:Localized Corrosion,NACE,179． (1974)
[20] N.T.Thomas and K.Nobe:J.Electrochem.Soc.,117,622(1970)
[21] 褚武扬、李世琼、肖纪美等,北京钢铁学院学报,1,126,157(1979)
[22] Chi-mei Hsiao,Xian-ya Huang,De-ruing Wan,Zu-fang zhu:Procecdings-8th Inter.Cong.on Metallic Corrosion,(8th ICMC),594(1981)
[23] 骆钜新、林中鹏,稀有金属,3,(1982)
[24] B.F.Brown et al.:Inter.Conf.on Stress Corrosion Cracking and Hydrogen Embrittlement of Iron Base Alloys(12～16,6,1973) ,747(1977)
[25] M.pourbaix:Corrosion,25,267(1969)
[26] H.J.Enger and M.O.Speder:Werkstoffe and Korrosion,20,281(1969)
[27] N.I.Khokhar,F.H.Beck and M.G.Fontana:Corrosion,29,429(1973)
[28] L.C.Covington:Corrosion,35,378(1979)
[29] O.W.Johnson et al.:J.Appl.phy.,46,1026(1975)
[30] J.C.Scully:See[3] ,p.148,
[31] H.G.Nelson et al.:Met.Trans.,3,469(1972)
[32] Chi-mei Hsiao et al.:“Some New Aspects of Hydrogen Damage”,3rd Inter,Conf.on Effect of Hydrogen on Behavior of Materials,(1980)
[33] C.D.Beachem:Stress Corrosion Cracking and Hydrogen Embrittlement of Iran Base Alloys,NACE,(1977)
[34] J.K.Tien:See[6] ,p.309．
[35] J.D.Boyd:Trans.ASM,62,977(1969)
[36] T.F.Klimowiez et al.:Met.Trans.,9A,597(1978)

No related articles found!

Viewed

Full text

Abstract

Cited

Shared

Discussed