?? ??? ???? ?????? ?????? ???? ????????? ??????????? ?????? ??????????? ??? ????? (??????????? ?????????? ?????????) ????????? ????? ???????? ????? ??? ???????? ?? ?????? ???? ?????? ??????? ???????? ??????????? ????? ????????? ??????? ???????

?. ?????? cast ???????

(?????? ???????? ??????????? ????????? ????? ????????? ??)

(?) ??????????:

??????? ???? ????? ????? ????????? ?????? ??????? ????? ???? ??????????????? ?? ??? ???? ?????????, ? ?????? ??????? ????? ????????? ????????????

(?) ?????????:

????? ?????? ????? ??? ????????? ???????? ?????? ?????? ??????? ????????, ? ?????? ???? ???????? ? ????????? ??????? ? ???? ?????? ?????? ????????? ?????????? ????? ????????

()) ????????:

??????? ?????????????? ???? ???? ??????? ?????? conditions ????????? ????? ?????? system ????????? ????????? ??????? ?????????????? ????? ????? ???????

?. ??????:

?????????? ???????? ?????? ?????? ??? ?????, ???????? ?????? ?????? ?????? ??????, ?? ????? ???????, extruder ?????? ?????? ?????? ????? ??? ?????? ????? ??? ???? ??????

?????????? ?????? ?????? 63?6363 ???????? ???-????? ????? ????????? ? ????? ????? ???? ???? ?? ??????? ???????? ??????????? ??? ????? ????????? ??????? ??????? ?????-????? ????? ??????? ??????? ????? ??????? ??? ??

The. ???

(???? ???? ????? ????? ?????????? ?????? ???? ??????), extruded ??????????? ????? ???? ????????, ???? ??? ????? ???????? ????? ???, ??? ????? ?? ???? anodized ???? ???? ????????????? ????? ???????? ?????? ????, ???????? ???? ???? ? ?????? ???????? ?????????

????? ????????? ??????????? ?:

(?) ??? pretreatment:

???????? ?? ????? ??????? ????? ??????????? ???????? ???? ?????????? ??? ??? ???? ?????? ??????, ???? ????? ? ?? ??????? ??????? ????? ??????? ????? ???? ?? ????? ?????? ??? ???????? ????? ??? ???????

(?) ?????? ????????:

??? pretreatment ???, ???? ????????? ??????? ????????, anodic ???????? ????????? ????? ?????, ?? ??????, ????? ? ??? ????? AL2O3 ????? ?? ?????????????

()) ?????

?????? ???????? ??? ????? ?????????? ??????? ??????? ???????? ?????? ??????? ???????, ?????-??? ? ????? ???????? ?????? ???? ???? ?????? ????? ????????? ????? ?????? ? ???????? ?, ?????? ??? ????????? ??????? ??? ??????? ??????, ???? ???? ????? ????? ????? ?????? ???? ??, ???????? ???????? ????????? (??????? ????) ???? ?????? ????? ???? ?????? ????, ?????: ????, ??????, ??? ? ???????? ????? ????