A sputtering method 8, wherein said sprayed coating includes an arc spraying {HEAD ~ coating film} of {TAIL ~ aluminum} and a plasma spraying coating film of an aluminum alloy containing magnesium 
of
A sputtering method 8 , wherein said sprayed coating includes an arc spraying { HEAD ~ coating film } of { TAIL ~ aluminum } and a plasma spraying coating film of an aluminum alloy containing magnesium
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH