材料研究学报  1988, Vol. 2 Issue (6): 51-55

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7050高强铝合金晶界偏析和氢致应力腐蚀开裂

宫波;赖祖涵

东北工学院物理系;东北工学院物理系

THE ROLE OF GRAIN BOUNDARY SEGREGATIONS AND HYDROGEN DIFFUSION ON SCC IN 7050 Al ALLOY

GONG Bo;LAI Zuhan(Physics Department;Northeast University of Technology)

宫波;赖祖涵. 7050高强铝合金晶界偏析和氢致应力腐蚀开裂[J]. 材料研究学报, 1988, 2(6): 51-55.
, . THE ROLE OF GRAIN BOUNDARY SEGREGATIONS AND HYDROGEN DIFFUSION ON SCC IN 7050 Al ALLOY[J]. Chin J Mater Res, 1988, 2(6): 51-55.

摘要 参考文献 相关文章 Metrics 全文: PDF(400 KB)   摘要: 本文研究了7050铝合金的应力腐蚀开裂。用离子探针证实氢在裂尖区富集,通过俄歇能谱分析研究了Zn,Mg 元素在晶界的偏析。应力腐蚀开裂包括三个过程:(1)在欠时效和峰时效的合金中,氢加速进入晶界;(2)氢和Zn(或Mg)在位错芯部发生电荷转移产生H-;(3)由于H-在晶界的尺寸失配导致晶界开裂。测定了应力腐蚀开裂激活能,表明氢在晶界中通过空位扩散是控制应力腐蚀开裂的主要过程。 Abstract：SCC in 7050 Al alloy consists of three distinct processes:enhanced hy-drogen penetration along the grain boundaries in underaged and peak agedalloys,charge transfer between Zn(or Mg)segregating solutes with hydro-gen atoms in the dislocation cores and the 收稿日期: 1988-12-25      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 宫波 赖祖涵 44.8K 链接本文: https://www.cjmr.org/CN/      或      https://www.cjmr.org/CN/Y1988/V2/I6/51 1 Viswandhan R K,Sum T S,Green J A S.Metall Trans,1980;11A:85 2 Chustedoulou L,Flower H M.Acta Metall,1980;28,481 3 Alfred L C R,March N H.Phys Rev,1956;103:877 4 冯端,王业宁,丘第荣。金属物理,上册.1964:125 5 Rodryguez M V,Ficalora P J.Mater Sci Eng,1987;85:43 6 Mclellan R B.Scripta Metall,1983;17:1237 7 Mclellan R B.Scripta Metall,1983;17:417 8 Shikawa T I,Mclellan R B.Acta Metall,1986;34:1091 9 Gerberich W W, Wood W E.Metall Trans,1974;5:1295 10 Romans H B,Craing H L Jr.Stress Corrosion Testing,ASTM-STP_425,Philadelphia,1967:363( No related articles found! Viewed Full text Abstract Cited   Shared      Discussed