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Study of the anticorrosive properties of “quebracho colorado” extract and its use in a primer for aluminum1050
(Elsevier, 2020-11)
Tannins have been used to replace chromate in wash-primers as a temporary (“in transit”) protection for metals. In the present work, the anticorrosive properties of “quebracho colorado” tannins were tested in water solution ...
Estudo das alterações lineares na região cervical de blocos M.O.D. fundidos em liga de cobre alumínio, segundo as técnicas de expansão higroscópica e térmica.
(1990-07-01)
The authors studied linear alterations processed on copper-aluminum casten MOD blocks, obtained from two expansion techniques (termic and hygroscopic by immersion). UNITERMS: Investment expansion. Thermic expansion. ...
Estudo das alterações lineares na região cervical de blocos M.O.D. fundidos em liga de cobre alumínio, segundo as técnicas de expansão higroscópica e térmica.
(1990-07-01)
The authors studied linear alterations processed on copper-aluminum casten MOD blocks, obtained from two expansion techniques (termic and hygroscopic by immersion). UNITERMS: Investment expansion. Thermic expansion. ...