Stress corrosion cell

Claim 1

A CORROSION TEST DEVICE WHICH COMPRISES: A HOUSING, SAID HOUSING BEING ADAPTED TO CONTAIN AN ELECTROLYTE IN THE LOWER PART THEREOF; AN INLET AND AN OUTLET IN THE UPPER PORTION OF SAID HOUSING FOR FEEDING AIR INTO AND OUT OF THE INTERIOR OF SAID HOUSING; SAID HOUSING INCLUDING AN ORIFICE IN ONE SIDE WALL NEAR THE BOTTOM OF SAID HOUSING; MEANS ASSOCIATED WITH SAID HOUSING FOR SECURRING SAID TEST DEVICE TO A TEST ELETCRODE WITH THE TEST ELECTRODE EXTENDING ALONG SAID ORIFICE IN SAID SIDE WALL IN A FLUID TIGHT CONTRACT RELATIONSHIP; A REFERENCE ELECTRODE SECURED WITHIN SAID HOUSING AND SPACED FROM THE WALLS OF SAID HOUSING, SAID REFERENCE ELECTRODE BEING POSITIONED IN SUCH A MANNER THAT IT DOES NOT DIP INTO THE ELECTROLYTE; AND A POROUS MATERIAL SECURED OVER THE OUTER SURFACE OF SAID REFERENCE ELECTRODE AND ADAPTED TO E XTEND INTO THE ELECTROLYTE, SAID POROUS MATERIAL BEING CAPABLE OF CONDUCTING ELECTROLYTE BY CAPILLARY ACTION; WHEREBY AN ELECTROLYTE PLACED IN SAID HOUSING OF SAID TEST DEVICE CONTACTS THE TEST ELECTRODE AND PROVIDES IONIC CONDUCTION TO SAID REFERENCE ELECTRODE BY WAY OF SAID POROUS MATERIAL SECURED OVER SAID REFERENCE ELECTRODE.