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