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).
Corrosion is the damage that is caused when something is corroded. 1  Zinc is used to protect other metals from corrosion. 2  Rust or ferric oxide is a product of corrosion. 3  When metals are exposed to atmospheric conditions, they react with air or water in the environment to form undesirable compounds.