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航空器的優選結構鋁合金7A09

航空器的優選結構鋁合金7A09

發布日期:2019-03-22 作者: 點擊:

ZAIZHONGGUOHANGKONGHANGTIANQIYONGLVCAIZHONG,7A09HEJINSHIYOUXUANDEZHUYAOSHOULIJIEGOUJIANGAOQIANGDUHEJINZHIYI,KEGONGYINGDEBANCHENGPINYOUBANCAI、DAICAI、BANGCAI、XINGCAI、HOUBIGUAN、DUANJIANDENG,GAIHEJINDEHUAXUECHENGFENBI7A04HEJINGENGJIAHELI,YINERYOUGENGWEIYOUYUEDEZONGHEXINGNENG,CHENGWEISHEJISHIZHUXUANCAILIAOZHIYI,TADEHUAXUECHENGFEN(ZHILIANG%):0.5Si,0.5Fe,(1.2~2.0)Cu,0.15Mn,(2.0~3.0)Mg,(0.16~0.30)Cr,(5.1~6.1)Zn,0.10Ti,QITAZAZHIDANGE0.05,HEJI0.10,QIYUWEIAl。

7A09合金在退火與固溶處理狀態有良好的成形性能,人工時效后成形性能較低,在T6狀態有滿意的斷裂韌度;在T73過時效下的強度雖比T6狀態時的較低,但具有良好的抗應力腐蝕開裂性能,且具有較高的韌性。工業鋁加工中心T76材料有高的抗剝落腐蝕性能。T74同時具有高的強度和抗應力腐蝕開裂性能。

7A09HEJINDEKANGLAQIANGDURmBI2A12HE2A14LVHEJINDEGAO,ERQIEKANGYINGLIFUSHIKAILIEXINGNENGYEBITAMENDEGAO,YINCIYONGTAZHIZAOFEIXINGQILINGBUJIAN,BUJINYOUGENGDADEJIANZHONGXIAOGUO,ERQIEANQUANXINGGENGGAOLE,QIPILAOQIANGDUBINGWEITONGBUXIANGYINGTIGAO,YINCIZAISHEJIZHUYAOCHENGSHOUKANGPILAOZAIHELINGBUJIANSHI,YOUBIYAORENZHENKAOLVCIWENTI。WENDUSHENGGAOSHI,7A09HEJINQIANGDUXIAJIANGJIAOKUAI,GUQIGONGZUOWENDUBUYICHAOGUO125℃。

7A09HEJINDEBUWANQUANTUIHUOGUIFAN:290℃~320℃,2h~4h,KONGLENG;WANQUANTUIHUOGUIFAN:(390℃~430℃)/(0.5h~1.5h),YI≤30℃/hDELENGQUEJIANGWENSUDULENGZHI≤200℃,RANHOUCHULUKONGLENG。

GAIHEJINDEGURONGCHULIWENDU460℃~475℃,DANBAOLVBANCAIDECHULIWENDUYIKAOXIAXIAN,BUYIDUOYU2CI,YIMIANHEJINYUANSUCHUANTOUBAOLVCENG,JIANGDICAILIAODEKANGSHIXING,LENGQUEJIEZHIWEISHIWEN、WENSHUIHUOQITASHIYIJIEZHI,ZHUANYIBUYING>15s。T6BANCAIDECHULIWENDU(135℃±5℃)/(8h~16h),QITACAILIAODEWEI(140℃±5℃)/16h,T73BANCAI、JIYACAIJIDUANJIANDERENGONGSHIXIAOGUIFANJIANBIAO。

7A09HEJINDERONGLIANSHEBEIYUQITABIANXINGLVHEJINDEXIANGTONG,RONGLIANWENDU710℃~750℃,ZHUZAOWENDU710℃~735℃,DINGDECHICUNJIAOXIAOXUANYONGPIANDIYIXIEDEZHUZAOWENDU,HEJINDERONGHUAWENDU477℃~638℃。

皇家鱼虾蟹手机版下载7A09HEJINSHIYIZHONGZHONGYAODESHOULIJIEGOULVHEJIN,ZAIJIANJIJI、ZHONGCHENGHONGZHAJI、YUNSHUJIJIJIAOLIANJIZHIZAOZHONGHUODELEGUANGFANDEYINGYONG,YONGYUZHIZAOQIANQILUOJIALINGJIAN、JIYIQIANLIANG、DALIANG、JISHENDUIJIEKUANGZHIBEIYUZHIZHU、GEBAN、LEIBAN、ZHULIANGJIETOU、PINGWEISHANGXIABIBAN、YEYAXITONGLINGJIAN、YEYAYOUXIANGHUOSAIGANYUNEIWAITONGDENGGUANJIANLINGJIAN。

皇家鱼虾蟹手机版下载7A09-T73HEJINDEDUANLIERENDU(Kc,N/mm2,)BIT6CAILIAODEGAO,ERLIEWENKUOZHANSULVYOUBIT6CAILIAODEDI,TADEPILAOQIANGDUYEYOUYUT6CAILIAO,REDAOLVYEBIT6ZHUANGTAIDEGAOYIXIE,25℃SHIWEI156W/(m.℃);7A09-T6HEJIN50℃SHIDEBIRERONGWEI888J/(kg.℃),SHIWENDIANDAOLV18.5MS/m。CHUYINGLIFUSHIKAILIEXINGNENGYIWAI,7A09HEJINDEYIBANKANGFUSHIXINGNENGYU2A12HEJINDEXIANGDANG。7A09HEJINS-TFANGXIANGYOUYINGLIFUSHIKELIEMINGANXING,L-THELXIANGDEYINGLIFUSHIMENJIANZHIDAYU300N/mm2,YINCIZHELIANGGEFANGXIANGSHANGDEKANGYINGLIFUSHIKAILIEXINGNENGZUYIMANZUSHIYONGYAOQIU。RUOYAOQIUGENGGAO,KESHIYONGT73CAILIAO,ZHEZHONGZHUANGTAICAILIAODEKANGLAQIANGDURmBIT6CAILIAODEYUEDI10%,DANQIL-TXIANGDEYINGLIFUSHIKAILIEMENJIANZHIBI300N/mm2DEDABUSHAO。

皇家鱼虾蟹手机版下载DUIYUJIYAOQIUQIANGDU,YOUYAOKAOLVYINGLIFUSHIKAILIEXINGNENGDELINGJIAN,ZEYICAIYONGT74ZHUANGTAICAILIAO。GONGYELVJIAGONGZHONGXIN7A09-T74HEJINDEMODUANJIANDEKANGYINGLIFUSHIKAILIEMENJIANZHIWEI210N/mm2。7A09HEJINDEFANGFUSHICUOSHIYOUYANGJIYANGHUA、HUAXUEFANGFUCHULIHETULIAOTUCENG。

皇家鱼虾蟹手机版下载7A09HEJINDEZU ZHIYOUα-AlGURONGTIYUDIERXIANGZHIDIANZUCHENG,DIERXIANGZHIYOUSANLEI:DI YILEIWEIHEJINNINGGUSHIXINGCHENGDEJINSHUJIANHUAHEWURUAl7FeCR、Al3Fe、Mg2Si,CHICUNJIAODA,ZAIYALIJIAGONGSHIBEIYASUI,CHENGKUAIZHUANG,CHENGCHUANFENBU,CHICUNWEI0.5μm~10μm,JIARESHIBURONGYUGURONGTI,JIANGDICAILIAODERENXING;DIERLEISHIHANGEDEZHIDIANRUAl2CrMg2,TAMENSHIDINGPIZAIJUNYUNHUAYUJIAGONGQIANDEJIAREGUOCHENGZHONGCONGGURONGTIZHONGXICHUDE,QIDAXIAOWEI0.05μm~0.5μm,DUICAILIAODEZAIJIEJINGGUOCHENGYUJINGLICHANGDAYOUMINGXIANZUAIZUOYONG;DISANLEISHISHIXIAOQIANGHUAXIANG,GURONGCHULISHIRONGRUGURONGTIZHONG,SHIXIAOCONGGURONGZHONGXICHU,SHIYINGXIANGCAILIAOXINGNENGDEZHONGYAOYINSU。T6ZHUANGTAICAILIAOQIANGHUAZHIDIANZHUYAOSHI≤4nmDEGPQU,T74CAILIAODEZHUYAOQIANGHUAZHIDIANSHI5nm~6nmDEGUODUXIANGη',T73CAILIAODEQIANGHUAXIANGSHI8nm~12nmDEGUODUXIANGη'JI20nm~80nmDEηXIANGZHIDIAN。

7A09-OCAILIAODECHENGXINGXINGNENGYU2A12-OHEJINDEXIANGDANG,ZAI180℃~370℃YOULIANGHAODEKECHENGXINGXING;XINCUIHUOCAILIAODEKECHENGXINGXINGYU2A12HEJINDEDAZHIDENGTONG,BANCAICUIHUOHOUZAISHIWENXIA4hNEIRENGYOULIANGHAODEKECHENGXINGXING,LENGDONGBAOCHIKECHENGXINGXINGDESHIJIAN:0℃SHI24h,-7℃SHI3d,-18℃SHI7d。

7A09HEJINDEDUANZAOWENDU320℃~440℃,KAIDUANWENDUYI≤400℃,GUOGAOHUICHANSHENGRECUI,TEBIEZAIZIYOUDUANSHIYOUYINGJINSHEN。7A09HEJINBUYIRONGHAN,JIBIANDIANZUHANYEBURU2A12HEJIN。DUANJIANKEZAI≤80℃DERESHUIZHONGCUIHUO。CUIHUOJISHIXIAOHOUDE7A09HEJINYOULIANGHAODEKEQIEXUEXINGNENG。

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