A selectively corrodible powder compact that may be used to make the components of a selectively corrodible perforating system is disclosed.

A selectively corrodible perforating gun system is disclosed.

The couplings shall be made from a non-corrosive material.

Distributing-blocks shall be made of corrosion-resistant material.

Distributing-blocks shall be made of corrosion-resistant material.

Distributing-blocks shall be made of corrosion-resistant material.

A coating composition for protecting a corrodible metal suface from corrosion includes an intrinsically conductive salt of a polyphosphonic acid as well as a solvent and other optional components.

The selectively corrodible powder compact includes a cellular nanomatrix comprising a nanomatrix material.

Each of the upper and lower net regions has an outer portion of a corrodible material.

A corrosion sensor comprises a corrodible member which is maintained at a substantially constant temperature.

The sensor 2 detects corrosion conditions of a corrodible metal article in a corrosive environment.

The sacrificial additional wire (24, 25, 27) serves as a corrodible getter of the moisture within the encapsulation (150).

The present disclosure describes medical devices comprising a bio-corrodible stent member and a graft member.

The received signals indicate corrosion of the probe and hence the corrodible metal article.

The crown includes a body comprising a corrodible composite material, and at least one cutting structure carried on the body.