Weihua ???????? ??????? ?????????? ???????? ?????????????? ?? ???, ??? ????????? ??????????? ????? ??? ?? ????? ???? ???? ????????, ??????? ???????? ?????????, ???? ???????? ?????? ???? ????? ?? ??????? ????????????? ????. ?????????? ???????? ?????????? ?????? ???????? ???????????? ??? ????????????? ???????? ????? ?? ?????. “???????? ??????? ?? ????????”, “????? ??????? ????? ?? ????????? ?????”, “?????? ?????? ?????” ?????? ?????? ??? ?? ?????????? ???????????? ??????? ??? ???????? ?????????.
?????????? ????????? ????????? ?? ??????? ???????
1. ??????? ??????? ???????? ??? ????? ?????
6063-t5 ????????? ?????????? ???????? ??? ?????????? ?????? ????? ?????. ????? ???????? ??? ????, ????????? ???? ????? ??? ????? ?????? ?? ???????? ?????? ???? ???. ??? ????? 6063 ???????? ?????? ????? ??????? ?????? Mg2Si ????? ??. Mg, Si ?? Mg2Si ????? ?????????? ?? ?????? Mg2Si ????? ??????????? ?????? ??????? ?? ??? ??????? ??????????? ??????? ??. ????????????? ??????? ??????? ??????? 24.3 l ?? ??? ??????? ??????? ??????? 28.09 ??. ??????? Mg2Si ??????? ??????????? ?? ??????? ?? ?????? ??????? 1.73: 1 ??.
???????, ??? ???????? ?????? results ? ??? ????, ???????????-??????? ?????????? ??????? 1.73 ? ??? ???? ???, ?????? ????? ??? ??????????? Mg2Si ????? ????? ??? ???????? ??????????? ? ?????; ??? ?????? ???, ??????? 1.73 ? ??? ??? ???, ????? ???????? ??????? Mg2Si ????? ????? ??? ??? ????? ?????? ??? ??????? ??? ????.
???????? ??????????? ?????? ????? ?????????? ????????? ?????? ??. ??????????? ???????????? 0.5% ?? ?, Mg2Si ???? ????? 0.79% ?? ? ??. ??????? 0.01% ? ??????????? ??? ???, ?????? ????? ?????????? ?????? 218Mpa ??? ??. ????? ????? ????? ????? ???????? ?????? ??? ??? ???????? ??????? 0.01% ??? 0.13% ????? ???? ?? ??, b 250Mpa ????? ???? ?? ?????, ?? 14.6% ?? .?? Mg2Si ?????????? ??????, Fe ?? ?????????? ????? ??? ??????? ????? Mn ????? ???? ????? ?????, ???? ???????? ??????? ?????????? ????? ?? ?????. 6063 ?????? ????? ??? ??????????? ??????? ??? ????????????? ?????? ????? ?????????? Mg: Si <1.73 ????? ???? ??? effort ? effort ???? ????????? ????? ?????. ??????????? ????????? ???????? ?????? ????? ?????? ????? ????? ??? ???????? ???????? ???? ????.
??????? 6063 ?????? ????? ??????? ???????????? ????? ?????: Mg: 0.45% -0.65%; Si: 0.35% -0.50%; Mg: Si = 1.25-1.30; ??????????? Fe <0.10% -0.25%; Mn <0.10%.
2. ??????? ???????????? ??????? ?????? ??????????? ???????? ?????
?????? ????? ???? ?? ?????? ??????????, 6063 ?????? ????? ??? ??????? ?????? ?????? ???????? 560 ± 20 is, ??????? ??? 4-6, ?????? ?????? ???????????? ???? ??????? ?? ?? ??????? ??.
?????? ????? ??????????? ????? ??????????????? ???? ??????? ??? ???? ??? ???????? ???? 6% -10% ???? ??? ?? ?? ?????. ?????????????? ??? ?????? ??????? ??? ?? ???????? ???????? ?????? ??????? ??? ????. ????? ???????? ??? ???????, Mg2Si ???????? ????????????? ???? ????? ?? ???? ??? ???????? Si ? solution ? ???????? ?? ?????? ???? ???????? ????? ??. ???? ??????? ??? ????????? ?? ??????? ????? ??? ??????? ?????????? ?????? ?? ?????? ??????? ??? ?? ?????.
?????????? ????????? ??????????, ?????????? ??????? ???? ???? ?? ???? ??????? ???? ?????? ???? ???????? ???????? ??????? ??????????? ??????? ??? ?? ?????. ???? ?????, ???? ?? ???? ????? ??????? ?????? ??? ???? ???????? ???? ?????? ?? ?????? ???? ????? ??????? ??? ?? ???? ??? ??????????? ?????? ????? ?? ?????????? ???????????? ???? ?????? ?????.
??? ?????? ??????????????? ?? ?????? ?????????? ???????? ????, 40% ? ??? ???? ??? ?????????????????? ???? ??? ??????? ???? ??? ?????? ???? ???????? ??????? ?? ??. 570 above ? ??? ???????? ??? ?? ??? ???? ?????? ????? ?? ??? ??????????? ????, ???????? ???????? ?????????? ??????? ??????? ???????? ?????? ?????, ??????? ????? ?????? ?????????? ??????????? ?????? ??? ??? ?? ???? ??????? ???????????? ??? ????????. ????? ?????? 6063 ?????? ??? ??????? ???????? ???????????? ??????? ??????? ??? ?????? ??? ??????? ??????? ??????????? ????? ?? ?? ?????. ????? ?????? ?? ??????? ???????? ????? ?????? ????? ????? ?????????? ?? ???? ?????????????.
3. ????????? ?? ??? ??????? ?????? ??????????? ???????? ?????
3.1 ??????? ??????
???????? ????????? ????, ???????? ???????? ????? ????? ?? ????????? ????? ??. ?????????? ????????????, ???????? ????????????, ??? ?? ??? ???? ?? ??????? ???????? ?????? ????? ???????? ????? ??????? ??? ????.
????????? ?????? ??????? ?????? ????? ??? ???????? ????? ???????. ??????? ??? ?????? ??? ???????? ?????? ????????? ?????, ????????? ???? ??????? ??????????? ???? ???? ??? ?? ???? ???? ???????? ?????? ????? ?? ?????.
6063 ?????? ??????? ?? ??????? ???????? ???????????? Mg2Si ?????????? ??????? ????? ??? ???? ??? ??? ??????? ???? Mg2Si ?????????? ?????? ??????? ??? ????. ????????????, 6063 ?????? ????? ???? ???????? ??? ????? ?????? ?????:
??????? ???????: 460-520 ℃; ??????? ???????: 430-480.
???????? ???????? ????? ???????? ?? ???????????????? ??? ????? ???? ???? ???? ????. ?????? ?????? ????????? ???????? ???????? ?????????????? ????? ??. ???????? ??????????? ????? ????? ???, ?????? ?????? ???????? ????????? ???? ?? ??? ???????? ???? ??????. ???????, ???????? ????????? ?????? ????????? ????, ???????? ???????????? ?????????? ??? ???????? ???? ????????? ??? ?? ?????. ?????? ?????? ???????? ??? ???.
3.2 ???????? ????
???????? ?????????????? ???????? ???? ??????????? ????? ?? ?????. ???????, ?????? ???????????, ???? ????????????? ?? solution ? ??????? ???????????, ?????????? ?????? ?? ?????????? ?????? ???????????? ?? ??? ????? ?????? ?????????????? ???? ?????? ??????? ??? ????.
???????? ???? ??? ?????? ???, ?????????? ?????? ?????, ????????? ?? ?????? ???? ??. ? ????, ??????? ????????? ?????? ???? ??? ???????? ????????? ???? ????. ????????? ???????? ????? ???? ?????? ??? ????? ?? ???????? ??????????, ???????? ?? ?????? ?????.
6063 ?????? ??? ????????? ???????? ???? (????? ????? ??? ???? ????) ?????? 20-100 m ??? ???? ?? ?????.
???? ????????? ?????????? ??? ???????? ???? ?????????? ?? ??????? ?? ??????? ????? ????? ?? ?????. ?? ???, ????????? ???????? ??????????? ?? ???????? ???? ?? ????????? ???????? ?? ??. ?????? ?????? ???????? ???? ?????? ??? ????? ???? ???????? ???? ???????????? ???? ????????, ????????? ??????? ??????? ????????? ?????? ????? ???????? ???? ?????.
???????? ???????????? ???? ?????? ????? ????, ?????????????? ???? ???????????? ?? ?????. ??????? ?????? ?????? ??? ???, ??????? ?????? ????? ????? 40-60 ℃ (????????? ??????) ??????? ??????????? ????. ??? ? ?? ?????? ??? ?????????, ????, ????? ???? ?????? ?????? ????? ???????, ??????????? ????? ???? ???????? ???? 30% -50% ???? ???? ?? ???? ????.
??? ???????, ????????? ?? ???? ????????? ???????? ????? ???? ???? ?????, ????? ??? ???? ???? ?????? ????? ?? ????????? ?????? ???????????? ???? ?????? ????? ???? ?????????? ??? (???????? ???) ?????? ????? ???? ?????? ?? ??. ?????? ???????? ?????? ???????, ?????? ????????? ??? ??? ?? ??? ??????? ?? ????????, ?????? ???? ???? ?????, ????? ?????? ?????????? ???????? ????? ????? ???? ????, ?????????? ???????? ??? ????, ??????? ??????? ?? ??????? ??? ????, ??????? ???????? ?? ?????? ???????????? ???? ?????? ????? ???? ?????????? ??????? ????? ???????? ???? ???????? ???? ?????? ?? ?????. ???????? ??? ??????? ???? ??? ?? ???????? ????????????? ?? ???, ???????? ??????????? ????? ???????? ????????, ???????? ???? ?? ???????? ????? ??? ????? ??? ????????? ?????. ???????? ???????????? ???? ????? ????? ????? ??? ???.
3.3 ??????? ?????????
6063-t5 ?????????? ???????? ????? ????? ????? ???? ????????? ??????? ?????? ???????? ???? ??? ????????? ?? ??????? ????? ????? ??? Mg2Si solid ????? ?????? ???????. ?????? ??????? ???? ??? ???????? ?????? ?????? ?????????? ?????????? ??. ??? ening ? ??? 6063 ?????? ????? ???? ????????? 38 min / ??, ??????? ?? ???? ????????? ???? ?????? ??. ?????? ????? ?? ?????? ???? ??????? ????? ???????? ?????? ????????? ????? ?? ???? ??? ?????? ????? ?????? ???? ??? ?????????? ???????? 60 below ? ??? ??? ?? ?????.
3.4 ????? ?????? ?????
???????????? ????? ??? ???????? ??????. ?????????? ??? ??????? ??? ???, ?? ????????? ??? ?? ???????? ??????? ????? ????????? ?????????? ????? ??? ?? ???? ??? ?????????? ??? ???. ?????????? ?????? ?????? ????? ??? ????? ??? ???? ????????? ?? ????????? ??? ????? ???, ???? ??? ?? ???? ?????? ???????? ?????? ?????, ?????, ????? ?????? ??? ?????????.
????? ???? ????? ????? ?????????? ????????? ???? ???? ????? ????? ???, ??? ????? ????? ??? ?????, ??? ????? ????? ???? ?????? ????? ?? ??? ??? ?????? ?????? ????? ? ?? ?????.
3.5 ????? ???? ???
?????? ????????? ???? ?????? ????????, ??????? ???? ± 3-5 ? ????????? ?????. 6063 ?????? ????? ????? ?????? ???????? ???????????? 200 is ??. ?????? ??????? ???? ??? 1-2 ??. ?????????? ?????? ???? ?????? ????? ???? ??? ??????? 180-190 3 ??? 3-4 ?? ???? ? ?????? ?? ????? ???????? ???????????? ??? ??? ??.
?