Electrolytic test machine

G - Physics – 01 – N

Patent

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Details

G01N 27/416 (2006.01) G01N 17/02 (2006.01) G01N 27/42 (2006.01)

Patent

CA 2207375

An electrolytic test machine is used for a corrosion resistance test for a test material comprised of a metal blank and a coating film. The electrolytic test machine is constructed so that an adverse influence, due to chlorine gas generated during a test, can be inhibited. The electrolytic test machine includes an electrolytic cell in which an aqueous solution of NaCl is stored so that a test material is immersed in the aqueous solution of NaCl. An electrode is immersed in the aqueous solution of NaCl. A DC power source supplies electric current between the electrode and the test material. A chlorine gas treating device collects chlorine gas which is generated with electrolysis of the aqueous solution of NaCl and which is released out of the aqueous solution of NaCl along with the aqueous solution of NaCl. The chlorine gas treating device includes a treating pipe line, a suction pump mounted on the treating pipe line, and a chlorine gas purifying member.

L'invention concerne un appareil d'essai électrolytique servant à éprouver la résistance à la corrosion d'un matériau d'essai constitué d'un flanc métallique et d'une pellicule de revêtement. L'appareil d'essai électrolytique est construit de manière à pouvoir inhiber une réaction négative attribuable à du chlore gazeux généré au cours de l'essai. L'appareil comporte une cellule électrolytique contenant une solution aqueuse de NaCl dans laquelle est immergé le matériau d'essai. Une électrode est immergée dans la solution aqueuse de NaCl. Une source de c.c. fournit un courant électrique entre l'électrode et le matériel d'essai. Un dispositif de traitement du chlore gazeux recueille le chlore gazeux qui est généré par électrolyse de la solution aqueuse de NaCl et qui se dégage de la solution aqueuse de NaCl en même temps que cette dernière. L'appareil de traitement du chlore gazeux comporte une canalisation de traitement, une pompe d'aspiration montée sur la canalisation de traitement et un élément purificateur du chlore gazeux.

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