Acta Metall Sin  1992, Vol. 28 Issue (4): 58-62    DOI:

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STRESS CORROSION PERFORMANCE OF Al-Li-Cu-Mg ALLOY

WANG Zhengfu;ZHU Ziyong;KE Wei;ZHANG Yun;HU Zhuangqi Corrosion Science Laboratory; Institute of Corrosion and Protection of Metals; Academia Sinica; Shenyang; Institue of Metal Research; Academia Sinica; Shenyang

WANG Zhengfu;ZHU Ziyong;KE Wei;ZHANG Yun;HU Zhuangqi Corrosion Science Laboratory; Institute of Corrosion and Protection of Metals; Academia Sinica; Shenyang; Institue of Metal Research; Academia Sinica; Shenyang. STRESS CORROSION PERFORMANCE OF Al-Li-Cu-Mg ALLOY. Acta Metall Sin, 1992, 28(4): 58-62.

Abstract References Related Articles Recommended Metrics Download:  PDF(641KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Studies were made of the influence of aging conditions and applied potentials onthe stress corrosion cracking (SCC) susceptibility, for an Al-Li-Cu-Mg alloy by slow strainrate technique. The relationship between the relative hydrogen content on specimen surface andthe applied potentials and elapsed time has also been examined. The SCC susceptibility wasfound to be dependent on aging conditions in which the peak aged condition gave the worstSCC resistance and the natural aged condition had the best one. The SCC susceptibility and sur-face hydrogen content are related to the applied potentials. The anodic potentials increase SCCsusceptibility, while the cathodic ones below the critical accelerate SCC. It is considered thatboth the anodic dissolution and hydrogen embrittlement contribute to SCC. Key words:  Al-Li alloy      stress corrosion cracking      anodic dissolution      hydrogen embrittlement      Received:  18 April 1992      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1992/V28/I4/58 1 Gray A. J Phys Colloq, 1987; 48(8) : C3-891 2 Rinker J G, Marek M, Sanders T H Jr. In: Starke E A Jr., Sanders T H Jr. eds., Aluminum-Lithium Alloys Ⅱ, Proc 2nd Int Aluminum-Lithium Conf, TMS-AIME, 1984: 597 3 Braun R, Buhl H. J Phys Colloq, 1987; 48(9) : C3-843 4 Christodulou L, Struble L, Pikens J R. In: Starke E A Jr., Sanders T H Jr. eds., Aluminum-Lithium Alloys Ⅱ, Proc 2nd Int Aluminum-Lithium Conf, TMS-AIME, 1984: 561 5 Balasubramaniam R, Duquette D J. 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