Effect of retrogression and reaging treatment on stress corrosion cracking resistance of super-high strength aluminum alloy

Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology)

Volumn 37, Issue 6, 2006, Pages 1054-1059

  Feng, Chun ^a   Liu, Zhi Yi ^a   Ning, Ai Lin ^a   Zeng, Su Min ^a,b  

^a CENTRAL SOUTH UNIVERSITY   (China)

^b Southwest Aluminum Co Ltd   (China)

Author keywords

Al Zn Mg Cu alloy; Conductivity; Mechanical properties; Microstructure; Retrogression reaging; Stress corrosion cracking

Indexed keywords

CASTING; COPPER; ELECTRIC CONDUCTIVITY; HEAT TREATMENT; MECHANICAL PROPERTIES; MICROSTRUCTURE; STRESS CORROSION CRACKING; TENSILE STRENGTH; TENSILE TESTING; VICKERS HARDNESS TESTING; YIELD STRESS;

GRAIN BOUNDARY; HOMOGENEOUS DISTRIBUTION; MASS FRACTION; RETROGRESSION REAGING;

ALUMINUM ALLOYS;

EID: 33847261083     PISSN: 16727207     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (13)

1. Heinz A, Haszler A, Keidel C. Recent development in aluminium alloys for aerospace applications[J]. Materials Science and Engineering A, 2000, A280: 102-107.
2. Oliver A F Jr, de Barros M C. The effect of RRA on the strength and SCC resistance on AA7050 and AA7150 aluminium alloys[J]. Materials Science and Engineering A, 2004, A379: 321-326.
3. Cina B. Reducing the susceptibility of alloys, particularly aluminum alloys, to stress corrosion cracking: US, 3856584[P]. 1974-12-24.
4. ZHANG Bei-jiang, CUI Jian-zhong, LU Gui-min. Effect of frequency on microstructure of electromagnetic casting 7075 aluminum alloy[J]. Acta Metallurgica Sinica, 2002, 38(2): 215-219.
5. FENG Chun, LIU Zhi-yi. A study of retrogression an re-aging treatment of a Al-9.99%Zn-1.72%Cu-2.5%Mg-0.13%Zr aluminum alloy[J]. Transactions of Nonferrous Metals Society of China, 2006, 16(5), 1163-1170.
6. Islam M U, Wallace W. Retrogression and reaging response of 7475 aluminium alloy[J]. Material Science and Technology, 1983, 10(10): 386-392.
7. Robinson J S, Whelan D A. Retrogression and reaging of 7010 open die forgings[J]. Materials Science and Technology, 1999, 15(6): 717-724.
8. Puiggali M, Zielinski A. Effect of microstructure on stress corrosion cracking of an Al-Zn-Mg-Cu alloy[J]. Corrosion Science, 1998, 40(4/5): 805-819.
9. Park J K, Ardell A J. Microchemical analysis of precipitate free zones in 7075-Al in the T6, T7 and RRA tempers[J]. Acta Metallurgica et Materialia, 1991, 39(4): 591-598.
10. Talianker M, Cina B. Retrogression and reaging and the role of dislocations in the stress corrosion of 7000-type aluminum alloys[J]. Metallurgical Transactions A, 1989, 20A(10): 2087-2092.
11. Tsai T C, Chuang T H. Role of grain size on the stress corrosion cracking of 7475 aluminum alloys[J]. Materials Science and Engineering A, 1997, A379: 135-144.
12. Ural K. Study of optimization of heat-treatment conditions in retrogression and reaging treatment of 7075-T6 aluminium alloy[J]. Journal of Materials Science Letters, 1994, 13(5): 383-340.
13. LI Hong-ying, CHENG Yong-sheng, ZHENG Zi-qiao. Effect of aging on microstructure and properties of 7475 alloy extrusions[J]. Journal of Central South University of Technology: Natural Science, 2001, 32(4): 394-397.