{"id":560,"date":"2024-10-02T15:49:17","date_gmt":"2024-10-02T15:49:17","guid":{"rendered":"https:\/\/www.fmcallahan.com\/blog\/?p=560"},"modified":"2024-11-04T14:12:58","modified_gmt":"2024-11-04T14:12:58","slug":"the-critical-importance-of-strikes","status":"publish","type":"post","link":"https:\/\/www.fmcallahan.com\/blog\/the-critical-importance-of-strikes\/","title":{"rendered":"The Critical Importance of Strikes"},"content":{"rendered":"

In an ideal plating or finishing application, a finish would completely adhere when applied to a part (a substrate). However, the ideal is rarely experienced. Some substrates simply resist the application of a finish because they have oxide films, are highly active, are porous, are littered with defects, or lack conductivity. In order to resolve these issues, an intermediary layer is applied to the substrate. Such a layer is called a “strike”.\u00a0 The desired finish is then uniformly applied to the strike layer.<\/p>\n

A strike layer is like a finished layer except that it is restrained. The strike is given just enough time to prepare the substrate for a finished layer before the substrate is removed from the bath. There is not enough time for the strike layer to begin to plate the part.<\/p>\n

Common strikes in finishing include:<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Substrate<\/strong><\/td>\nStrike<\/strong><\/td>\nFinish<\/strong><\/td>\n<\/tr>\n
Inconel \/ Stainless Steel<\/td>\nNickel \/ Silver<\/td>\nSilver<\/td>\n<\/tr>\n
Steel<\/td>\nNickel \/ Copper \/ Silver<\/td>\nSilver<\/td>\n<\/tr>\n
Copper \/ Brass<\/td>\nCopper \/ Silver<\/td>\nSilver<\/td>\n<\/tr>\n
Aluminum<\/td>\nCopper \/ Silver<\/td>\nSilver<\/td>\n<\/tr>\n
Inconel<\/td>\nNickel Strike<\/td>\nNickel Sulfamate<\/td>\n<\/tr>\n
Steel\/Stainless Steel<\/td>\nNickel Strike<\/td>\nElectroless Nickel<\/td>\n<\/tr>\n
Aluminum<\/td>\nZincate<\/td>\nElectroless Nickel<\/td>\n<\/tr>\n
Copper \/ Brass<\/td>\nNickel Strike<\/td>\nNickel Sulfamate<\/td>\n<\/tr>\n
Copper \/ Brass<\/td>\nElectroless Nickel<\/td>\nGold<\/td>\n<\/tr>\n
Copper<\/td>\nNickel Sulfamate<\/td>\nGold<\/td>\n<\/tr>\n
Aluminum<\/td>\nZincate \/ Electroless Nickel<\/td>\nGold<\/td>\n<\/tr>\n
Aluminum<\/td>\nZincate \/ Copper Strike \/Electroless Nickel<\/td>\nTin<\/td>\n<\/tr>\n
Copper \/ Brass<\/td>\nCopper Strike<\/td>\nTin<\/td>\n<\/tr>\n
Stainless Steel<\/td>\nNickel Strike \/ Copper Strike<\/td>\nTin<\/td>\n<\/tr>\n
Copper<\/td>\nNickel Sulfamate<\/td>\nTin<\/td>\n<\/tr>\n
Steel \/ Stainless Steel<\/td>\nNickel Strike \/ Copper Strike<\/td>\nTin<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

In an ideal plating or finishing application, a finish would completely adhere when applied to a part (a substrate). However, the ideal is rarely experienced. Some substrates simply resist the application of a finish because they have oxide films, are highly active, are porous, are littered with defects, or lack conductivity. In order to resolve these issues, an intermediary layer is applied to the substrate. Such a layer is called a “strike”.\u00a0 The desired finish is then uniformly applied to the strike layer. A strike layer is like a finished layer except that it is restrained. The strike is given just enough time to prepare the substrate for a finished layer before the substrate is removed from the bath. There is not enough time for the strike layer to begin to plate the part. Common strikes in finishing include: Substrate Strike Finish Inconel \/ Stainless Steel Nickel \/ Silver Silver Steel Nickel \/ Copper \/ Silver Silver Copper \/ Brass Copper \/ Silver Silver Aluminum Copper \/ Silver Silver Inconel Nickel Strike Nickel Sulfamate Steel\/Stainless Steel Nickel Strike Electroless Nickel Aluminum Zincate Electroless Nickel Copper \/ Brass Nickel Strike Nickel Sulfamate Copper \/ Brass Electroless Nickel Gold Copper Nickel Sulfamate Gold Aluminum Zincate \/ Electroless Nickel Gold Aluminum Zincate \/ Copper Strike \/Electroless Nickel Tin Copper \/ Brass Copper Strike Tin Stainless Steel Nickel Strike \/ Copper Strike Tin Copper Nickel Sulfamate Tin Steel \/ Stainless Steel Nickel Strike \/ Copper Strike Tin  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-560","post","type-post","status-publish","format-standard","hentry","category-general"],"_links":{"self":[{"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/posts\/560","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/comments?post=560"}],"version-history":[{"count":13,"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/posts\/560\/revisions"}],"predecessor-version":[{"id":687,"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/posts\/560\/revisions\/687"}],"wp:attachment":[{"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/media?parent=560"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/categories?post=560"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fmcallahan.com\/blog\/wp-json\/wp\/v2\/tags?post=560"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}