DIN EN ISO 15720-2001 金属涂层.孔隙率试验.胶材料电版术法测定金属底材上金或钯涂层的孔隙率
Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography (ISO 15720:2001); German version EN ISO 15720:2001
This document covers equipment and techniques for determining porosity in noble metal coatings, particular electrodeposits and clad metals used on electrical contacts.#,,#