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