A photo of Elvis (center) with his doctor Nick Nichopoulos (back) taken shortly before his death. (Courtesy of Nick Nichopoulos) LOS ANGELES â It has been widely reported that Elvis Presley died in 1977 from cardiac arrhythmia, an irregular heartbeat, possibly brought on by drug dependency, obesity and a weak heart.
If the Ionic or Electro-chemical theory of corrosion, as described in the preceding chapter, be accepted it is then easy to divide all practical cases of corrosion into three types : (1) Auto Corrosion, (2) Contact Corrosion, and (3) Externally Induced Corrosion. (reference).
Metallic coatings, or plating, can be applied to inhibit corrosion as well as provide aesthetic, decorative finishes. There are four common types of metallic coatings: 1  Electroplating: A thin layer of metal-often nickel, tin or chromium-is deposited on the substrate metal (generally steel) in an electrolytic bath.