????? ??????? ?????? ???????????? ??? ????????? ???????? ??? ?????????? ????????? ????? ???? ??????? ???????? ???????? ??????? ???????? ?? ???? ???? ??????? ??????? ??????? ?? ???????? ????? ???????? ??? ?????? ?? ???????? ??????? / ????? / ??????????? ??????????? ??????? ?????? ??????? ??????? ?? ????? ?? ????????? ??????? ????????. ?? ??????? ???????? ?? ?????? ??? ??? ?????? ????????? ???? ??????? ?????? ??????? ??? ???????? ?? ?? ???? ??????? ???????? ??????? ?????? ?? ?????? ???????? ???? ??? ??????? "????? ???????" ?? ???? ????? ???????? ?? ???? ????? ??????? ?? ??? ?? ????????? ?????? ???????? ??? ???? ???? ???? ?? ????? ???????. ????? ?? ????? ??????? ??????? ??? ?????????? ????? ????? ??????? ????? ??? ???? ????? ??? ?????? ??? ????? ?????? ??????? ????? ?????. ????? ??????? ?????? ??????? ?????? ???? ??? ?????? ???????? ????? ?????? ????? ?????? ???????? ?????? ?? ???????? ?? ?????? ?? ??????? ??????? ??????? ???? ??????? ???????? ??????? ???????? ?????? ???? ??????? (??? ????? ????? ??????? ???????? ???????? ?????????? ?????? ???????? ?? ??? ???? ???? ???????) ??????? ??????? ?????? ???? ?? ??????? ??????? ?????? ??????????? ?????? ???? ??????? ???????. ???????? ?????? ???? ?? ????????? ??????? ??????????? ??????? ???????.

　　??? ??? ????? ??????? ?? ????????? ??? ?????? ???????? ???????. ??? ?????? ???????? ??????? ?????? ?? ????? ??? ???????? ??????? ??????? ????? ??? ???? ????? ?? ?????? ???????? - ????? ??? "??????" ??????? ??? ?????? ??????? ?? ????? ?????? ??? ?????? ????? ???????. ??? ????? ???? ???????????? ??? ?? ??????? ????? ?????????? ??????? ?????? ??????? ?????? ??? ?? ?? ???? ????? ?? ?????????? ??????? ???? ????? ??????? ????????? ???????. ??????? ??? ?????????? ??????? ?? ????? ??????? ????????? ??? ??????? ???????? ?????? ????? ????? ??? ??????? ??????? ?????? ????? ????????? ?????? ????? ?????? ??? ?? ??? ????? ??? ???? ?????? ???????? ???????. ??? ?????????? ?? ??? 2010? ??? ?????? ???? ????? ????? ??????? ?????? ??????? ??????? ??????? 1.325 ????? ????? ??????? ?????? ????? 24.1% ?? ????? ??????? 2011 ????????? ???????? ???? 2011 ???? 1.7 ????? ????? ??????? ?????? ????? 2.94% ?? ????? ??????? ??? ??????? ?? ??? ?? ??? 2012 ??? 2.1 ????? ????? ??????? ??? ??? 2015 ???? ??? 3.7 ????? ????? ??????? ??? ??? 2019 ???? ??? 6.5 ????? ????? ??????.

　　???? ???? ??????? ???????? ?????????? ??????? ?????? ??????? ???? ??? ?? ???????? ??????? ?? ????? ????? ?????? ???? ???? ?? ???? ????????? ??????? ?????? ??????? ??????? ??? ???? ???? ??? ?? ????? ???????????. ?? ????? ??????? ????? ????? ??????? ?????? ??????? ?? ???????? ??????? ???????? ???????? ?????? ???? ???? ??????. ??? ?? ?????? ??? ???????? ??????? ??????? ?? ???? ????????? ??????? ?????? ??????? ?????? ?????? ????????? ??????? ?????? ??????? ?????? ??????? ?????? ???? ???? ???????? ????? ??????? ???????????? ???????? ?? ?? ????? ????? ??????? ????? ???????? ?? ???? ??????????? ??????? ?? ?????????? ????? ??? ????? ????? ??????? ?????? ???????. ????? ?? ??? 1994? ????? ???? ???? Longyuan Automatic Forming System Co. Ltd. ?? ??? 1994 ???? ??? ???? ???? 17 ????? ????? ????? ?????? ?? ????? ??? ????? ??????? ??????? ??????? SLS ?? ????? - AFS-360? ?? ???? ????? ?????? ??? ??????? ????????? ?????? ?????? ????????? (SLS? ????? ?????? ?????????) ??????? ??????? ???????? ??? ????? ???? ?????? ???????? ??????? ??????? ??????? ?????? ????????. ?? ????? ??????? ????? ??????? ?? ???? ????? ??????? ??? ?? ??? ?????? ?? ????? ?????? ??????? ???????? ??????? ?? ???? ????? ????????.

　　???? ??????????? ???? ???? ?????????? ???? ?? ????? ????????? ???? ?? ???? ???? ???????? ?????? ????????? ?????? ????? ????? ?????? ???? ?? ???? ???????? ??????? ??????? ???? ??? ?? ???? ????????? ??????? ??????? ?????????? ??????? ?? ????? ???????????. ???? ????? ????? ???????? ????? ????????? ??????? ?????? ???????. ?? ??? ???? ?? ??? 1995? ????? ????? SLS ?????????? ?????? ??????. ????? ?????? ?????? ?????? ?? SLS ??? ?????? ???????? ?????? ??????? ?????? ?? ?????? ?????? ????? ??????? ?????????. ?? ??????? ???????? ???? ??????? ?? ???? ????? ???? ?? ???? ????? ??? ???? ??? ??????? ????? ????? ?????? SLS. ??? ????? ??????? ???? ?????? ???? ???? ???????? ????? ?????? SLS ????????? ????????? ???????? ??????? ????????? ??????? ????????? ????????? ???????? ???? SLS ?????? ??????? ????? ?? ????????? ????? ????? ???? ???????? ?????? ??????? ???????? ?????? ?????? ??????? ????????? ???????? ??? ????? ?? SLS ?? ????? ????? ?????? ????? ??? ?????. ??? ???? ???? ???? ???????? ??? ?????? ?? ????? ??? ????? ????? ????? ??? ?? ??????? ???????? ???? ??????? ??????? ?????? ???? ?????? ???????? ??? ??? ????? ????? ??????????? ??????? ?????????? ?? ??????? ?????? ???????.

　　??? ??? ??? ????? ???????? ????? ????? SLS.

　　??????????? ?? ??? ???? ????? ????????? ??????? ???? ????? ??? ?????????? ??? ?????????? ?????? ?????? ????? ??????? ????? ?????? ??? ??????? ????????? ??? ???????? ?????? ????? ?????? ?????? ???? ???????? ?????? ??? ??? ??? ?????? SLS. ?? ????? ??????????? ??? ???? ?????? ?????? ???? ???? ????? ???????? ????? ????? 95 ℃ ??? ?? ???????? ??? 120 ℃ ??? 180 ℃ ????? ??????? 300 ℃ ?? ???? ??? ?????? ????? ???????? ??? 380 ℃ ?? ???? ??? ????? ????. ???? ????? ??????????? ????? ??? ??????? ????? ??????? ??????? ??? ???????? ?????? ?????? ????? ?????? ???? ???????? ????? ????? ??? ??????? ???????? ???? ???? ??? ??? ???????? ????? ?? ??? ?????? ?????? ???????? ??? ??? ???? ≥15MPa? ???? ???????? ≥33MPa? ???? ????? ≥3MPa? ????? ???? ????????? ?????? ??????? ?? ????? ??????? ????? ????????? ????? ?? ??? ?????? ????????.

　　????? ?????????? ????? ?????? ????? ?????? ????? ???????? ???????? ???????? ??????? ????? ??????? ???????? ??????? ??????? ??? ??? ???? ???? ?? ?????? ??????? ???????? ?? ?????? ??????????? ??????? ??????? ????? ?????? ????? ?? ?????????. ??? ??? ? ??? ??????? ???????? ?? ????????? ? ??? ????? ??????? ???????? ??????? ? ???? ?? ??? ????? ??????? ??????? ??????? ? ??? ???????? ???? ?????? ?? ???????? ? ???????? ???? ????? ????? ????????? ?????? ?????? ????? SLS. ?? ??? ?? ??? ???????? ??? ??????? ??????? ????????? ?? ????? ???? ????? ????? ????? ????? ??? ????? ????? ????? ??????. ?????? ???? Beijing Longyuan ????? ?????? ??????? ??????? α-SiAlON ???????? ???????? SLS ???????? ????? Si3N4 (?????? ?????????? ?????? ??????? ???? ???? ?? ?????????) ????? ???. ???? ???? ?? ??? ????? Si3N4 ??? ?????? ????? ??? ????? ?????? ?????? ?? ??? ????? ????????. ???? ???????? ???? ??? ??????? ?????? ??? ?????? ?????? ???????? ??????? ???? ?? ??? ???? ??? ?????? ????? ?? ???? ??? ?????? ??????? ?? ?????????? ????? ??? ??????? ???????? ??????????? ??????? ???????? ????.

　　???? ?? ???? ??????? ??????? ??????? ????? ????? ??????? ??????? ??????? ??? ???? ???????? ???????? ?????????? ??????? ?????? ??????? ?? ??????? ?????? ??????? ????? ????? ???? ???? ??????? ???? ????? ????????? ????????? ??? ????? ????. ????? ??? ??? ?? ??????? ?????? ?????????? ????? SLS ?? ???? ?????? ???????? ??? ?? ???? ????? ?????? ??????? ???????? ????? ??????? ????? ?????? ??????? ???????? ???????? ?????? ????? ?????? ?????? ???????? ??????? ???????? ???????? ??? ?????? ???????? ????????? ???????? ???????? ??? ?????????? ??? ??????? ???????? ???????? ??????? ???? ??? ?????? ???????? ??????? ????? ????? ???????. ???????? ??? ???? ??? ????? ??????? ??? ?????? ??????? ??????? ??????? ???????? ????? ????????? ???????? ??????????? ??????? ???????.

　　????? ?????? ???????? ??????? ?????? ??????? ??? ??????? ???????? ???????? ??? ??? ??????? ???? ???????? ?????? ?? ???????? ???? ??????? ????? ??????? ??????? ?????? ????? ????? ?????? ???? ?? (???) ?????? ??????? ????????? ????? ???? ???? ??????? ???? ?? ????? ?????? ???? ??? ??????? ??? ???????? ??? ??????? ??????? ??? ?????????? ?????????? ?????? ???? ?? ????. ????? ????? ???????? ??? ???? ???????? ???????? ??? ??????? ?????? ??????? ????? ??????????? ??????? ?? ????? ???? ???????? ??????? ??? ?????? ???????? ????????? ???? ???? ??? ????? ???? ????? ?? ???? ????????. ????? ????? ??????? ????? ????? ??????? ???? ?????? ???? ???? ?? ????? ???????? ?????? ??????? ?????? ?? ????????.

　　????????? ??? ???? ?? ????? ??????? ???? ????? ???????? ?? ???? ????? ????? ????? SLS ????? ????????? ?????????? ??????? ??????? ??????? ??? ???? ??????? ??????? ??? ??? ???. SLS ????? ???? ?????? ?????? ?????? ???????? ???????? ?? ?????? ????? ?? ????? ??????? ???????? ??? SLS ??? ?????? ??? ????? ?????? ????? ??? ?????? ??????? ??????? ?????? ?? ???????.

　　??????? ????????? ??????? ?????? ??????? ???? ??? ???? ???? ?? ?????? ??????? ???????? ????????? ?????? ???????? ????????????? ????? ?????? ??? ??????? ?????????? ???????? ????????? ??????????? ???????? ???????? ??????? ???????? ??????? ?? ???????? ??????. ??? ??????? ?? ???? ??? ??????????? ???? ???? ??? ????? ????? ????? ??????????? ??????? ?????? ??????? ???????? ?????? ??????? ??????? ????????. ??? 19 ????? ?? ????????? ?????????? ????? ???? ???? ???????? ????? ?? ????? ????????? ??????? ?????? ??????? ?? ????? ????? ??????? ????? ?? ??????? ?? ???? ????? ??????? ????????? ?????? ?? ???????? ???????.

　　?????? ?????: ???? ?????? ?????? ????? ?????? ????? ?????? ????? ????? ????????? ????? ?? ??????? ??????? ???????? ??????? ?????? ??? ?? ????? ???????? ????? ????? ?????? ????? ?? ???? ?? ??????? ??????? ????????? ???????? ??????? ??? ????? ??????? ????? ??????? ????? ??????? ?????? ?????????. ?????? ????? ????? ??????? ?????? ??????? ???????? ????? ????? ?? ????? ?? ???? ????? ???????? ??????? ??????? ??????? ???? ???????? ??????? ?????? ????????? ???????? ???????. ????????? ??? ??????? ??????? ??????? ???? ???? ???? ???????? ?????? ?????? ??????????? ?????? ?????? ??????????? ?????? ?????? ???????? ??????? ??????????? ?????? ?????? (???? ?????? ??? ??? 2800 ??)? ?????? ????? ????????? ?????? ????? ???????? ?????? ?? ????? ???????? ??????? ??????? ??????? ??????? ?????? ?? ???????? ?????? ????? ????????: ?? ??? 1996? ?? ??? ??? ??? ?????? ??????? ??????? ??????? SLS ??? ???? ???? ?????? ???? ??????? ??? ??????? ????? ?? ????? ?????? ????? ??????? ???????. ?? ??? 1996? ?? ??? ??? ?????? ??????? ??????? ??????? SLS ???????? ??? ???? ???? ?????? ???? ??????? ??? ??????? ????? ?? ????? ?????? ????? ??????? ???????? ??? ??? 1999? ?? ??? ????? ?????? ?? ??????? ???????? AFS-320 ?? ????? ?????. ????? ????? ??????? ??????? ??????? ????????? ??? ?????? ??????? ???? ??????? ?????? ?? ?????? ?? ???????? ???????? ??????? ????????? ???: ?????? ???????? ?????? - ????????? ????????? ?????? - ?????????? ?????? ???????? ????? ?????? ???? ?????????? ??????? ????????.

　　??????? ????????: ????????? ??????? ?????? ??????? ?????????? ??????? ?????????? ??????? ???????? ?????? ??????? ?????? ?? ???????? ????? ??????? ??? ?????? ???????? ??? ??????? ???? ???? ???. ??? ???? ??????? ???? ????? ?????????? ???? ???? ??????? ???????? ????????? ??? ???? ???? ?? ??????? ????????. ????? ????? ?????????? ?????? ??????? ????????? ?????? ???????? ????????? ?????? ??????? ??????? ????? ??????? ???????? ??? ??? ???. ?????????? ???? ??????? ????? ????? ???????? ???????? ???? ??????? ??? ????? ????? ??????? ???????? ?????? ????? ???????? ??? ??? ???? ?? ??? ????? ?????? ??????? ????????? ?????? ?????? ????? ????????. ?????? ??? ????? ?????????? ?? ?????? ???????? ????? ????? ??????? ?????? ??????? ??????? ?????. ????????? ????? ??????? ?????? ???????? ????? ???? ???? ???????? ?? ??? ?? ???????? ??????? ???????? ?? ??????? ???????? ?????? ???? ??????? ?????? ?? ??? ?? ???????? ??????? ???????? ?? ??????? ????????? ??? ?????? ????????? ??????? JS-II ???????? ????? ???? ???? ?????? ???? ??????? ??????? ??? ???????? ??? ??? ???? ???????? ????? ????? ??????? ???????? ???????.

　　????? ????????: ?? ???? ????? ???????? ?? ?????? ?????? ?????? ?????? ????????? ????? ??? ???????? ???????? ????? ????? ???? ?????? ?????? ?????? ?????? ?????? ????? ???? ????? ????? ????? ??????? ????? ?????????. ??? ???? ??? ??????? ????????? ???? ??????? ?? ???? ??????? ??????? ???? ??????? ???? ??????? ?????? ??? ????? ????? ???? ????? ??? ???? ??? ?? ?? ???? ????? ???????? ?? ?????. ??? ?????? ???? ?????? ?????? ?? ???? ???? ???????? ??????? ?? ???? ????????? ??????? ?????? ??????? ??????? ????? ??? ????????? ??????? ?????? ??????? ?? ???? ????? ?????? ????????? ??? ?? SLS ?? ????? ?????? ???? ?????? ??????? ??? ??????? ???? ?????? ??????????? ???????? ?????? ????? ?????? ???????? ??? ??? ???????? ?? ????? ??????? ?????? ?? ???? ???????? ??? ?????? ?????? ???? ??? ?????? ??????? ?????? ?????? ????? ??????? ?????? ???? ????????? ??????? ????? ??????? ????????? ??????. ????????. ???????? ??? ???? ??? ????? SLS ????? ?????? ????? ?? ???? ????? ??? ??? ??????? ???? ??????? ?? ???? ?? ????? ??????? ????? ??????? ??????? ????????? ????????? ???? ????? ?? ????? ???? ??? ????? ?????? ?????? ??? ??? ????? ??? ????? SLS ?????? ???? ??? ???? ????? ???? ??????? ????? ???? ??????? ??????? ?? ??????? ?????? ??????? ??????? ?? ????? ????? ?????? ??????. ??? ?? ???????? ??????? ???????? ?????? ??????? ??????? ??????? ?????? ???????? ???? ?? ?????? ????? ????? ????? ????? ????? ?? ???????? ???????? ????????? ?????? ??? ???? ???? ????? ??????. ???? ??????? ?????? ?? ????? ??????? ??????? ????? ??????? ????? ?????? ?????? ????? ????? ????? ??????? ?? ??? ?????? ?? ??????? ?? ????? ????? ?????. ?????? ??? ????? ???? ????? ??????? ????? ?????? ????? ?????? ???????? ??????? ???????? ????? ??????? ?????? ?? ???????? ?????? ????? ??????? ????? ?????? ?????? ????? ?????? ?? SLS ?????? ??????? ???? ????? ?????? ?? ??????? ?????????? ??? ????? ??? ????? ????? ???????? ??? ?? ???? ????? ??? ???????? ???? ????? ????? ??????? ??????? ??? ????? ??? ????? ???????? ????? ????? ?? ???? ??? ????.

　　?????? ???? Beijing Longyuan ????? ??????? ?????? ??????? ?????? ??? ????????? ????? ??????????? ?????? ??? ??????? ??? ??? ??? ?????? ????????? ??? ??? ????? ??????? ??????? ???? ????? ???? ?????? ??? ???? ????? ????? ???????? ??????? ?????? ??????? ?????? ?????. ?? ????? ??????? ???? ???? ?????? ?????? ?? ???? ????? ???????? ??????? ????? ?????? ????????? ???????? ????? ??????? ???????? ?? ??????.

　　???? ??????: ??? ?????? ????? ????? ??????? ?????? ??????? ????? ?? ???? ???? ??????? ??? ?? ??? ?????? ???????? ?????? ????????? ???????? ??????? ?????????? ?????? ???????. ?????? ???? ???????? ?? ???? ?? ?????? ????? ???? ??? ??????? ????????? ??? ??? ?????? ?????? ?????? ???????? ?????? ?????? ?????? ?????? ?? ???? ??? ?????? ???????? ??? ???? ?????????? ???? ????? ???????? ?? ??? ????? (????? ?????)? ?? ??? ??????? ??? ???? ????????? ???? ???? ?????? ???? ??????? ??????? ??????? AFS-320 ?????? ??????? ????? ????. ????? ??????? ???????? ???????? ??????? ??????? ?? ????? ????????????? ? ?????? ????? ?? ????? ??????????? ? ????? ??? ??????? ?? ????? ??? ? ????? ????????? ?? ?????? ????? ?? ???? ???? ?????? ??? ???? ??????? ??????? ??????? ??????? ??????? ????? ??????? ??????? ?????. ??? ????? ????? ?? ???? ?????? ??????? ?? ????? ?????? ?????? ????????? ???? ????? ??????? ??????? ??????? ??????? ?????. ?? ????? ??????? ??? ???????? ????? ???? ?? ?????? ?????? ??? ??????? ??????? ??????? ?????????? ????? ??????? ?????? ?? ???? ?? ???????: ???? ????? ????? CAD ???? ???????? ??? ?? ??? ??????? ????? ??????? ?????? ??????? ?????? ?????? ?????? ?????? ??????? ???????? ???????? ?????? CAD ????. ???????? ??????? ???????? ??????? ??????? ???????? ???? ????? ??????? ??????? ??????? ???????? ?????? ??????? ?????????? ???????? ?? ????? ????? ????? ????? ??????? ??? ??????? ???.

　　?? ????? ??????? ???? ????? ?????? ?????? ????? ????? ????? ???? ????? ?????? ????? ????? ????? ??????? ?????????? ?????? ?????? ?? ??? ??????? ??????????? ?????? ????? ????????? ??????? ?????? ??????? ?????? ?? ??????? ???????????? ??? ???? ????? ???????? ??????? ??????? ???????? ????? ??????? ??????? ??????? ?? ??? ?????? ???????? ??????? ??????? ??? ??? ???? ????? ???? ?? ???? ????? ?? ???????? ???????? ??????? ???????????? ??? ??? ??????? ?????? ??? ????? ????? ??? ?? ???????? ???????? ????????. ???????? ????????. ??? ????? ?? ???? ????????? ????????? ?????? ?????? ???? ???? ????? ??????? ?????? ??????? ?? ?????? ?????? ??????? ?????? ????? ?? ??????? ????????? ?????? ??????? ?????? ??????? ?? ????? ???? ??????????? ???????? ???????? ??????? ??????? ???????? ????????? ???????.