Chemical Treatment of Aluminum Alloys with Sodium Oxalate Solution

CORROSION ◽  
1990 ◽  
Vol 46 (10) ◽  
pp. 798-803
Author(s):  
Y. Isobe ◽  
S. Tanaka ◽  
F. Hine
Keyword(s):  
Aluminum Alloys ◽  
Chemical Treatment ◽  
Sodium Oxalate ◽  
Oxalate Solution

Selected Cr(VI) replacement options for aluminum alloys: a literature survey

2017 ◽  
Vol 35 (6) ◽  
pp. 365-381 ◽  
Author(s):  
D. Bryce Mitton ◽  
Anna Carangelo ◽  
Annalisa Acquesta ◽  
Tullio Monetta ◽  
Michele Curioni ◽  
...  
Keyword(s):  
Aluminum Alloys ◽  
Chemical Treatment ◽  
Health Hazard ◽  
Trivalent Chromium ◽  
Literature Survey ◽  
Us Military ◽  
The Us ◽  
Naval Air Systems Command ◽  
Near Term ◽  
Industry Needs

AbstractThere is a significant move away from the use of hexavalent chromium, Cr(VI), which is a mature, trusted, and relatively inexpensive treatment that has been used for many years by industry to reduce corrosion. Although Cr(VI) is effective at reducing corrosion, it poses a substantial health hazard. While there is a need to define a process that will be able to replace Cr(VI), the process must be able to provide the same level of corrosion protection currently provided by hexavalent treatments. In addition, it needs to do this without the associated environmental problems. This paper focuses mainly, but not exclusively, on the trivalent chromium pretreatment (TCP) and its commercially available variants. The TCP was developed by the Naval Air Systems Command (NAVAIR) and is used by the US military. The rationale for the focus of this paper is that in the near term, the aeronautics industry needs to move away from Cr(VI) towards a more benign commercially available chemical treatment that can help protect the aluminum alloys used by that industry. TCPs are currently available commercially and have undergone numerous tests by multiple organizations to establish their effectiveness in reducing corrosion of both bare and painted aluminum alloys.

scholarly journals Chemical Treatment of Aluminum Alloys with the Mixed Solution of LiNO3 and NaHCO3

1990 ◽  
Vol 39 (8) ◽  
pp. 425-431 ◽  
Author(s):  
Shin-ichi Tanaka ◽  
Yasuaki Isobe ◽  
Fumio Hine
Keyword(s):  
Aluminum Alloys ◽  
Chemical Treatment ◽  
Mixed Solution
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