Metal treatment – Process of modifying or maintaining internal physical... – Processes of coating utilizing a reactive composition which...
Patent
1991-12-23
1994-01-04
Pal, Asok
Metal treatment
Process of modifying or maintaining internal physical...
Processes of coating utilizing a reactive composition which...
148252, 134 40, 134 42, 252546, 252DIG14, B08B 304, C23G 108
Patent
active
052756718
ABSTRACT:
There are provided improved aqueous chemical cleaning compositions for removing organic and inorganic combustion residues from steel products, said compositions meeting the hydrogen embrittlement potential test criteria set forth in ANSI/ASTM F 519-77. These compositions are of particular utility in cleaning gas turbines in the motoring and running modes. The compositions comprise ethoxylated amines, ethylene diamine tetra acetic acid and demineralized water having a conductivity of or below 0.9 microhms. The composition has important application for the aviation and outer-space industries.
REFERENCES:
patent: 2032174 (1936-02-01), Johnson
patent: 2671036 (1954-03-01), Obermelt
patent: 3535160 (1970-10-01), Arger
patent: 3706676 (1972-12-01), Franke
patent: 3962151 (1976-06-01), Dekker et al.
patent: 4808235 (1989-02-01), Woodson et al.
patent: 4834912 (1989-05-01), Hodgens et al.
patent: 5075040 (1991-12-01), Rivenaes
Patent Abstract of Japan, vol. 11, No. 371 (C-462), Abstract of JP62-146285, published Jun. 30, 1987.
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