??灞??????ㄧ⒊??纭?澶?????????浜ф?归?㈡????甯稿???浣????????????AlSiMg/SiC澶???????寰??缁?????瀛﹀??FESEM?惧??锛??稿??锛?娈?浣?纰冲??纭????藉?ㄩ??甯哥?瑙??????典?妫?娴??颁?浜??㈣????瀛????杩?琛ㄦ?????h??ソ????涓?⒊??纭?棰?绮?涓??轰?瀹??ㄥ??搴?浜????剁?峰己??瀵圭‖搴︾??瀛??ㄥ?ㄤ换浣????典??芥????甯告???剧??:瀵逛???iC??澶???????锛?甯?姘?纭?害娴???骞冲???兼??78卤2 HB锛?杩?姣???MLS澶?????绾?lSiMg楂?70%??
??灞?????涓???⒊??纭?澶????????告?锛?绾崇背mgal2o4澶?????????瀵?搴﹀???充??蜂????扮?????┿???ㄨ?绉????典?锛???浠??峰?浜?杈?灏????峰???ヨ?琛??磋?缁??????扮???锛?涓烘???浠??朵?浜?灏哄?涓?5x15x10 mm???峰?????ㄦ??浣冲???拌???村??锛??峰????娴???骞冲??瀵?搴﹀??.59 ~ 2.63 g/cm3涔??达?瀵瑰???娈?浣?瀛???????.2 ~ 3.5%涔?????璁哄?搴︿负2.689 g/cm3)??
??灞??????ㄨ?绉????典?锛?XRD?????剧ず????纭???瀛????骞跺?虹?颁?涓?浜???灏???宄帮?杩?浜?宄版???遍??灞??寸??g2Si??涓?浜????ユ?ユ???娣峰????灞?姘у???╁舰????锛??跺??璋变?绾?????????璋遍??甯哥?镐技??瀹???涓?锛??ㄨ?绉????典?锛??变?澧?寮洪?剁?风??????杈?浣?锛?XRD??????????界????搴????藉?????捐?寮便??杩?浜?澶?????????寰??缁???涔?涓?绾????轰???甯哥?镐技??
??灞?????浣?涓哄?稿????DMLS杩?绋???寰??缁???????甯哥???锛??变?寰?背?剁?锛????垮?ㄥ?搴?????浣?姹?杞???变????瀵奸???????瑰?????惰??锛?浠?缁?瑙?瀵?琛ㄦ??锛??稿?浜?绾???????锛?杩?浜?澶????????锋???撮???涓??????э?杩?琛ㄦ??绾崇背mgal2o4棰?绮???瀛??ㄦ?瑰??浜????鸿?绋?涓???琛?涓恒??杩?绉?涓??????у??杈?楂???娈?浣?瀛?????????浜?甯?姘?纭?害涓?3卤3 HB锛?姣?DMLS澶?????绾?lSiMg????浣?11%??
?版?朵唬锛??版??????轰?绌凤???浠??虫敞锛?瀛︿?锛?甯????ㄦ???ヨ?藉?涓??朵勘杩?锛?寮??????般??