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帮棋牌做代充违法吗 » APS资讯中心 » APS资讯 » 工业铝型材在镁合金表面制备铝基涂层

工业铝型材在镁合金表面制备铝基涂层

返回列表 来源:jkymdh.fun 作者:发布日期:2018-12-12 09:46 | 加入收藏阅读次数-
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    MEISHIZUIQINGDEJINSHUJIEGOUCAILIAO,JUYOULIANGHAODEDAOREXING、DIANCIPINGBIXING、KANGCHONGJIJIANZHENXINGJIBIQIANGDUGAO、BIGANGDUGAO、WUDU、KEHUISHOUHEYIJIAGONGDENGTEDIAN,JUYOUGUANGKUODEYINGYONGQIANJING。DANSHI,MEIHEJINDEDIANJIDIANWEIYUANDIYULING,SHIGONGYEHEJINZHONGZUIDIDE,QIEMEIDEYANGHUAMOSHUSONGDUOKONG,SHIQIJUYOUJIGAODEHUAXUEHEDIANHUAXUEHUOXING,YINCIKANGFUSHIXINGNENGCHA。LINGWAI,MEIHEJINDEYINGDUDI,NAIMOXINGNENGJIAOCHA。ZHEIXIEQUEDIANJIDADIZHIYUELEMEIHEJINZAIGONGCHENGLINGYUZHONGDEYINGYONG。RUHEYOUXIAODITIGAOMEIHEJINDENAIMOKANGSHIXINGNENG,CHENGWEIDANGJINMEIHEJINCAILIAOGONGYEYINGYONGZHONGJIDAIJIEJUEDEGUANJIANJISHUNANTI,ERMEIHEJINBIAOMIANCHULISHIZUIYOUXIWANGDEYANFAFANGXIANG。

    在镁合金表面制备Al涂层,可以提高镁合金的耐蚀性能,这是因为1)Al涂层表面容易形成一层致密坚硬的Al2O3膜,其在大气中具有自修复性,可起到对基体材料的保护作用;提高铝镁合金中的Al含量,可以成倍甚至几十倍地增加镁合金的耐蚀性能;同时,在镁合金表面的铝涂层的形成过程中,涂层中Al元素会向基体镁合金方向扩散,提高镁合金中的Al含量,使镁合金自身耐蚀性能得到提高;(2)Al是镁合金中常见的合金元素,工业铝型材其加入不会影响镁合金的回收利用,且Al是环境友好型材料,无污染,有利于回收;(3)Al与Mg可形成金属间化合物,具有较好的耐蚀和耐磨性;(4)在众多元素中,Al与Mg的化学位最接近,二者形成腐蚀原电池的破坏性最小。

    YOUXUEZHELIYONGLV、MEIREPENGZHANGXISHUXIANGJIN(AlDEREPENGZHANGXISHUWEI23μm/℃;MgDEREPENGZHANGXISHUWEI26μm/℃)DETEDIAN,CAIYONGGAOSUDIANHUPENTUJISHUZAIAZ91MEIHEJINBIAOMIANZHIBEILVJIFEIJINGNAMIJINGFUHETUCENGYISHIXIANDUIQIBIAOMIANFANGHUDEZUOYONG。JIEGUOBIAOMING,CAIYONGGAOSUDIANHUPENTUJISHUZHIBEIDEAl-Ni-Y-CoTUCENGZHONGCUNZAIFEIJING、NAMIJINGHEJINGHUAXIANG,TUCENGZUZHIZHIMI,YUMEIHEJINJITIDEJIEHEQIANGDUDAYU25MPa,KONGXILVXIAOYU2.0%,PINGJUNXIANWEIWEISHIYINGDUZHIDAYU300HV0.1,QIEZAIZHILIANGFENSHUWEI5%DENaClSHUIRONGYEZHONGBIAOXIANCHUYOUYUCHUNAlTUCENGDENAISHIXINGNENG。

    DANSHI,DUOXIANGBAODAOZHICHU,ZAIMEIHEJINBIAOMIANHUODEDEAlTUCENG,WANGWANGCUNZAIKONGXILVJIAODA、JIEHEQIANGDUBUGAODEWENTI,XUYAOCAIYONGFENGBICHULI、REYACHULIHUOYANGJIYANGHUADENGJISHULAITIGAOTUCENGDENAISHIXINGNENG,CAIKESHIXIANDUIMEIHEJINJICAIDEBIAOMIANFANGHU。LIRU,CAIYONGDIANHUPENTUJISHUZAIAZ91MEIHEJINBIAOMIANXINGCHENGAlFANGHUCENG,JIEGUOBIAOMING,WEIFENGKONGDETUCENGSHIYANGFUSHIBIYUANSHIMEIHEJINHAIYANZHONG,ERFENGKONGCHULIHOUAlTUCENGDENAISHIXINGYOUHENDATIGAO。SHIYANBIAOMING,JINGGUOREYAHEYANGJIYANGHUAHOUCHULIHOU,TUCENGDENAISHIXINGKEMINGXIANTIGAO,QIFUSHIDIANLIUMIDUKEXIAJIANG4GESHULIANGJI。FENXIFAXIAN,CHULIDETUCENGBIAOMIANXINGCHENGLEZHIMIDEAl2O3BAOHUMO。

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