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铝合金微弧氧化技术

LVHEJINWEIHUYANGHUAJISHU

摘要:综述了微弧氧化技术的发展和研究现状,介绍了微弧氧化技术的原理、特点,以及陶瓷膜层的结构和性能,展望了微弧氧化技术的应用前景。

1578638242989894

1、QIANYAN

LVHEJINJUYOUBIZHONGXIAO、GAOBIGANGDU、GAOBIQIANGDU、JIAGONGXINGNENGHAO、YIYUCHENGXING、JIAGEBIANYIDENGYOUDIAN,ZAIHANGKONG、HANGTIAN、QICHE、JIANZHU、DIANZIDENGLINGYUDEDAOLEGUANGFANDEYINGYONG。SUIZHEKEJIDEJINBUHEFAZHAN,YIBANDELVHEJINCAILIAONANYIMANZURENMENDEYAOQIU,JINNIANLAI,LVHEJINBIAOMIANTAOCIHUAJISHUBEISHOURENMENGUANZHU,JIYILVHEJINCAILIAOWEIJITI,CAIYONGYOUXIAOSHOUDUANZAIQIBIAOMIANZHIBEITAOCIMOCENG,SHIQIYUTAOCICAILIAOHUXIANGFUHE,QUZHANGBUDUAN,ZHIBEICHUJIYOUJINSHUQIANGDUHERENXING,YOUYOUTAOCINAIGAOWEN、NAIMOSUN、NAIFUSHIDENGYOUDIANDEFUHECAILIAO,YINERBIAOMIANTAOCIHUAJISHUDEYANJIURIYIGUANGFAN。


2、WEIHUYANGHUAJISHUDEFAZHANJIXIANZHUANG

SHANGSHIJI30NIANDAICHU,GUOWAIDEYANJIURENYUANFAXIAN,ZAIGAODIANCHANGXIAJINPAOZAIYETIZHONGJINSHUBIAOMIANCHUXIANHUOHUAFANGDIANXIANXIANG,CHANSHENGDEHUOHUADUIYANGHUAMOYOUPOHUAIZUOYONG,ZAIHOULAIDEYANJIUZHONGYOUFAXIANLIYONGCIXIANXIANGZAIYOUSEJINSHUBIAOMIANKEYISHENGCHENGJUYOUTAOCIJIEGOUHETEXINGDEYANGHUAMO,BINGYINGYONGYUMEIHEJINDEFANGFUSHANG。DAYUECONG70NIANDAIKAISHI,MEIGUOYILINUODAXUEHEDEGUOKAERMAKESICHENGGONGYEDAXUEDENGDANWEIYONGZHILIUHUODANXIANGMAICHONGDIANYUANKAISHIYANJIUAl、TiDENGFAJINSHUBIAOMIANHUOHUAFANGDIANCHENJIMO,BINGFENBIEMINGMINGWEIYANGJIHUOHUACHENJIHEHUOHUAFANGDIANYANGJIYANGHUA。1977NIAN,ELUOSIKEXUEYUANWUJIHUAXUEYANJIUSUODEYANJIURENYUANCAIYONGJIAOLIUDIANYAMOSHI,SHIYONGDIANYABIHUOHUAFANGDIANYANGJIYANGHUAGAO,BINGCHENGZHIWEIWEIHUYANGHUA。ZI80NIANDAI,DEGUOYANJIURENYUANLIYONGHUOHUAFANGDIANZAICHUNLVBIAOMIANHUODEHANα-Al2O3DEYINGZHIYANGHUAMOCENGYILAI,WEIHUYANGHUAJISHUDEDAOHENDAFAZHAN。JINRU90NIANDAIYILAI,MEI、DE、E、RIDENGGUOJIAKUAILEWEIHUYANGHUAHUOHUOHUAFANGDIANYANGJIYANGHUAJISHUDEYANJIUKAIFAGONGZUO,GAIJISHUYIYINQIXUDUOYANJIUZHEDEGUANZHU,ZHENGCHENGWEIGUOJICAILIAOKEXUEYANJIUREDIANZHIYI。


3、WEIHUYANGHUAJISHUDEYUANLIHETEDIAN

3.1 基本原理

WEIHUYANGHUASHIYIZHONGCAIYONGGAODIANYA(DAYU250V)、DADIANLIUDUIYOUSEJINSHUCAILIAOJINXINGBIAOMIANCHULI,ZHIJIEZAIQIBIAOMIANYUANWEISHENGZHANGTAOCICENGDEXINJISHU。TASHIJINSHIJINIANZAIYANGJIYANGHUAJICHUSHANGFAZHANQILAIDE,DANLIANGZHEZAIJILI、GONGYIJIMOCENGXINGZHISHANGYOUXUDUOQUBIE。QIYUANLISHI:JIANGAl、Mg、TiDENGYOUSEJINSHUHUOHEJINZUOZUOWEIYANGJIZHIYUDIANJIEZHISHUIRONGYEZHONG,LIYONGDIANHUAXUEFANGFAZAICAILIAOBIAOMIANWEIKONGZHONGCHANSHENGHUOHUAFANGDIANBANDIAN,ZAIREHUAXUE、DENGLIZITIHUAXUEHEDIANHUAXUEDEGONGTONGZUOYONGXIA,SHENGCHENGTAOCIMOCENGDEFANGFA。

3.2 技术特点

DENGLIZITIWEIHUYANGHUAJISHUDEGONGYITEDIANSHI:(1)GONGYIJIANDAN;(2)XIAOLVGAO,YIJUBUTONGXINGNENGYAOQIUCHULISHIJIANWEI7-20min;(3)WUWURAN,CAIYONGDEDIANJIEYEDUISHENGTAIHUANJINGWUWURAN;(4)CHULINENGLIQIANG,DUIYIXINGLINGJIAN、KONGDONG、HANFENGDEKEJIAGONGNENGLIQIANGYUQITABIAOMIANTAOCIHUAGONGYI;(5)GONGYICHENGBENDI,YOUYUKEYIHELIKONGZHIHUAXUEFANYINGSUDU、WAILAIXIANGCHENJISULVJIFANYINGSHAOJIEDENENGLIANG,ZHIBEIXIANGTONGXINGNENGTAOCICENGDEGONGYICHENGBENDADADIYUYANGJIYANGHUAJISHU;(6)GONGYIZHONGXIANXINGHAO,DUITAOCITUCENGXINGNENGYINGXIANGYINSUSHAOQIEDUIKONGZHIJINGDUYAOQIUDI。


4、微弧氧化陶瓷膜层的组织与性能

4.1 陶瓷膜层的组织结构

LVHEJINBIAOMIANWEIHUYANGHUADECHANWUSHIYIZHONGDUOKONGZHUANG、YUJITIJIEHELAOGU、JUYOUTAOCITEZHENGDEYANGHUAWU。TAOCIMOCENGKEFENWEILIANGCENGJIEGOU,WAIBUDESHUSONGCENGHENEIBUDEZHIMICENG。WAIBUSHUSONGCENGYANSEJIAOLIANG,YOUJIAODATAOCIKELIZUCHENG,ZAISHAZHISHANGRONGYIMODIAOZUICUCAOBUFEN,CANLIUBUFENCUNZAIJIAODAKONGDONG,NEIBUZHIMICENGYUSHUSONGCENGJIEMIANCHENGQUANYAJIAOCUO,QIEYULVJITIJIEHELIANGHAO。MOCENGZHONGTAOCIXIANGLIZISHIZAILVJITISHANGZHIJIESHENGZHANGQILAIDE,MOCENGHEJITIZHIJIEZAILIZIJIANDEZUOYONGXIAJIEHEZAIYIQIDE,YOUYUDENGLIZITIHUGUANGFANGDIANDEGAOMIDUNENGLIANGSHIJITIBIAOMIANWEIQUNEIXINGCHENGRONGRONGQU,SHITAOCICENGYUJITIJIANXINGCHENGWEIQUYEJINJIEHE,TIGAOMOCENGYUJITIJIANDEJIEHEQIANGDU。

研究表明,陶瓷膜层主要由α-Al2O3和γ-Al2O3组成,从外层到内层γ-Al2O3相含量逐渐减少,而α-Al2O3逐渐增加。在内层α-Al2O3的含量高达50%以上,并与γ-Al2O3


YOUJIJIEHEZAIYIQI,SHIDETAOCICENGYINGDUHENGAO,NAIMOXINGNENGYOUYI。


4.2 TAOCIMOCENGDEXINGNENG


YANJIUBIAOMING,WEIHUYANGHUATAOCIMOJUYOUZHUOYUEDEXINGNENG。GAIMOCENGYINGDU、NAIMO、NAISHIDENGXINGNENGYUCHUANTONGDEFANGFAXIANGBIDOUYOULEJIAODADETIGAO。


TAOCIMOCENGDEZUIDAHOUDUKEDA300μm,ZHIMICENGZHONGDEXIANWEIYINGDUDAYU1500Hv,JIZHIDIANYINGDUKEDA2300Hv。LIYONGXIANWEILIXUETANZHENFENXI,CONGTAOCICENGDEBIAOMIANDAONEIBU,YINGDUHEDANXINGMOLIANGZHUJIANZENGJIA,


ZAINEICENGDADAOZUIDAZHI,FENBIESHI15GPaHE250GPa。WEIHUYANGHUATAOCICENGJUYOUYUYINGZHIHEJINXIANGDANGDENAIMOXINGNENG,YOUYULVHEJINBIAOMIANDUYINGCrTUCENG,ZAIYIDINGDEYALIZAIHEFANWEINEI,TAOCICENGJUYOU3.4-


4.3μm/XINGCHENGDENAIMOXINGNENG,YOUYUDENGLIZIPENTUTAOCITUCENGDENAIMOXINGNENG(15-20μm/XINGCHENG),TAOCICENGDEHUAHENLINJIEZAIHEWEI40N(DUYINGCrTUCENGWEI18N),NAIYANWUFUSHISHOUMINGDAYU2000h。


5、JIEYUJIZHANWANG


LVHEJINJINGWEIHUYANGHUACHULIHOU,CAILIAOBIAOMIANDEYINGDU、NAIMO、NAIFUSHI、NAIGAOWENDENGXINGNENGYOUHENDATIGAO。CIJISHUDEFAZHANJIYINGYONGTUOKUANLELVHEJINDESHIYONGFANWEI。YOUYUDENGLIZITIWEIHUYANGHUAJISHUJU


YOUGONGYIJIANDAN、CHULIXIAOLVGAO、GONGYICHENGBENDI、WUWURANDENGTEDIAN,SUOZHIDEDETAOCIMOCHUJUYOUYIBANJIEGOUTAOCITUCENGDENAIMO、NAISHI、NAIGAOWENDENGYOUYITEDIANWAI,HAIKEYIGENJUBUTONGDEXINGNENGYAOQIU,ZHI


BEICHUJUYOUZHUANGSHI、CIDIANPINGBI、DIANJUEYUANDENGGONGNENGXINGMOCENG。YINCIGAIJISHUYICHENGWEIGUOJICAILIAOYANJIUDEREDIANZHIYI,ZAIHANGKONG、HANGTIAN、JIANZHU、FANGZHI、DIANZIGONGYEDENGLINGYUJUYOUGUANGKUODEYINGYONGQIANJING。GAI


JISHUDETUIGUANGYINGYONGYIDINGHUITUIDONGWOGUOBIAOMIANCHULIXINGYE、QINGHEJINJIAGONGZHIZAOXINGYEJIXIANGGUANXINGYEDEJISHUJINBU。


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