????????????????????

????:????:????300??QQ????

????????????????????????10???????30??????? (?????????????????????? ???)??????????????????????10???????????????????????????????????30?????????????????,?????????????“??”????,???????????????????,????????????????????

??????????,????????????????«?????»?

?????????????:a.??????????????????????;b.???????????????;c.??;d.????????/??

??????????????????????????????,????,?????L605?,?????????????????,???????????????????L605?????2??,?????????????????,??,???????

??????????????,????????“????????”?????,???/?????,??????????,????????,??,?????????750????????????(MPa)??1000MPa??????????????????????????,????????50%,?????????????L605????

??????“???”???????????(FeN)??,?,?????????,??????????????(?????,NH3)??????,??????????,????????60%????,???

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

??:??