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热喷涂耐磨涂层技术的研究现状


1、金属涂层的研究现状

热喷涂金属涂层是研究和应用较早的耐磨涂层,常用的有金属(Mo、Ni)、碳钢和低合金钢、不锈钢和Ni-Cr合金系列涂层。一般采用火焰喷涂、电弧喷涂、等离子喷涂、HVOF及爆炸喷涂工艺,涂层具有与基体的结合强度较高,耐磨、抗腐蚀性能较好等优点,用于修复磨损件及机械

JIAGONGCHAOCHAJIAN。

CAIYONGLVXIHEJINDENGLIZIPENTUJISHUDUIHUOSAIHUAN、TONGBUHUANJIQIGANGDENGLINGJIANJINXINGPENTUSHI,TUCENGJUYOULIANGHAODENAIMOXING、GAOJIEHEQIANGDUJIYOUYIDENAIZHANZHEMOSUNXING,ZAIYOURUNHUAYOUDETIAOJIANXIAJUYOULIANGHAODEKANGYAOSIXINGHEKANGLASHANGXINGNENG。GAOTANGANGSI、BUXIUGANG(Crl3XING、18-8XINGDENG)HEJINSISHICHANGYONGDENAIMONAISHIPENTUCAILIAO。JUYOUQIANGDUJIAOGAO、NAIMOXINGHAO、LAIYUANGUANGFAN、JIAGEDILIANDENGTEDIAN。NiCrTUCENGJUYOUJIAOHAODENAIRE、KANGFUSHIJIKANGCHONGSHIMOSUNDEXINGNENG,KEZUOWEIDIANZHANGUOLUDEGUOREQIGUANHEZAIREQIGUANDEFANGHUTUCENG,CAIYONGHUOYANHEDENGLIZIPENTUFANGFAKEZHIBEIJUYOUBUTONGZUZHIJIEGOUDENiCrJINSHUNAIMOTUCENG,TUCENGZHONGKONGXILVHEYANGHUAWUHANLIANGJIAOGAO。

2、TAOCITUCENGDEYANJIUXIANZHUANG

REPENTUTAOCIFENMOBAOKUOYANGHUAWU、TANHUAWU、PENGHUAWU、DANHUAWUJIGUIHUAWUDENG,SHIJINSHUYUANSUHEFEIJINSHUYUANSUZUCHENGDEJINGTIHUOFEIJINGTIHUAHEWU。TAOCITUCENGJUYOUGAORONGDIAN、GAOYINGDUHELIANGHAODENAIMOXING、NAIFUSHIXINGYIJIGAOWENWENDINGXINGDENGTEDIAN。DANPENTUTAOCITUCENGGONGYIFUZA,CHENGBENJIAOGAO,ERQIETUCENGBIAOMIANRONGYICHUXIANLIEWEN,KANGREPILAOXINGNENGBURUJINSHUTUCENG;ERQIETUCENGDERENXINGJIAOCHA,BUNENGYONGYUCHENGSHOUJIAODADECHONGJIZAIHE。MUQIANCHANGYONGDETAOCITUCENGYOUA12O3、TiO2、Cr2O3、ZrO2、WC、TiC、Cr3C2、TiB2DENG,YIBANCAIYONGDENGLIZIPENTU、HUOYANPENTU、HVOFHEBAOZHAPENTUJISHUZHIBEI。

RENJINGRIDENGYANJIULEDENGLIZIPENTUA12O3-40%TiO2HECr2O3TAOCIFENMOTUCENGDEHUADONGMOCAMOSUNTEXING,ZHICHUCr2O3TUCENGDENAIMOXINGGAOYUA12O3-40%TiO2TUCENG,Cr2O3TUCENGDEMOSUNJILIZHUYAOWEIMOLIMOSUN,ZAIJIAODAZAIHEXIA,Cr2O3TUCENGDEMOSUNCHENGXIANCUIXINGDUANLIETEZHENG。A12O3-40%TiO2TUCENGDEMOSUNJILIZHUYAOBIAOXIANWEISUXINGBIANXINGHECENGZHUANGBOLI。CHENCHUANZHONGDENGYANJIUDEA12O3JIATiO2JIANiCrAlYFUHETAOCITUCENG,YOUYURONGHUADETiO2HEA12O3XINGCHENGLEYIDINGCHENGDUDEHURONG,KEJIANXIAOTUCENGDEKONGXILV,JINYIBUTIGAOTUCENGDEQIANGDU、RENXINGHENAIMOXINGNENG。

DENGYANJIULEDENGLIZIPENTUDUOCENGJINSHU、TAOCITUCENGDEHUADONGMOCAMOSUNTEXING。QIPENTUSHUNXUWEI,SHOUXIANZAIJITISHANGPENTUNiCrDADICENG,RANHOUSHIBUTONGBILIDENiCr-Cr2O3GUODUCENG,BIAOMIANWEI100%DECr2O3。FAXIANSHIDANGJINSHUHETAOCIBILIDEGUODUCENGNENGGOUTIGAOTUCENGDENAIMOXING。TUCENGDEZHUYAOMOSUNJILIWEICUIXINGDUANLIE、MOLIMOSUN、ZHANZHEHEYANGHUAMOSUN。

3、JINSHUTAOCITUCENGDEYANJIUXIANZHUANG

JINSHUYUTAOCICAILIAOGEYOUQIDUTEDEYOUYIXINGNENGHEMINGXIANDEXINGNENGRUODIAN,RUHEBAJINSHUYUTAOCICAILIAOGEZIDEYOUSHIXINGNENGJIEHEQILAI,YIZHISHICAILIAOKEXUEYUGONGCHENGJIEYANJIUDEFANGXIANG。JINSHUTAOCIFUHETUCENGJISHU,JIZAISUXINGDEJITISHANGJUNYUNDIFENBUZHEKELIXINGZHUANG、CHICUNDAXIAOSHIDANGDETAOCIXIANG,CHENGGONGDISHIXIANJINSHUHETAOCIDEYOUSHIJIEHE,ZHIBEIJIYOUJINSHUQIANGDUHERENXING,YOUYOUTAOCINAIGAOWEN、NAIMOSUN、NAIFUSHIDENGYOUDIANDEFUHECAILIAO,DADATUOKUANLEJINSHUCAILIAOHETAOCICAILIAOGEZIDEYINGYONGFANWEI,ZAIHANGKONG、HANGTIAN、HUAGONG、JIXIE、DIANLIDENGGONGYELINGYUDEDAOCHENGGONGYINGYONG。ZAIGONGYESHANGYINGYONGZUIGUANGDEJINSHUTAOCITUCENGZHUYAOYOU:Cr3C2-NiCr、WC-Co。DADUOCAIYONGHVOF、DENGLIZIJIBAOZHAPENTUGONGYI。

Cr3C2-NiCrJINSHUTAOCITUCENGYOUNANRONGTANHUAGEYINGZHIXIANGYURENXINGLIANGHAODENIEGEHEJINXIANGZUCHENG,JUYOUJIAOGAODEGAOWENYINGDU、YOUYIDEGAOWENNAIMOXING、NAISHIXING、KANGYANGHUAXINGJIJIAOGAODEJIEHEQIANGDU,GUANGFANYINGYONGYUGAOWEN(530~9000℃)MOLIMOSUN、FUSHIMOSUNHECHONGSHIMOSUNGONGKUANGXIAGONGZUODELINGJIAN,RULIANXUTUIHUOXIANDELUGUN、YAGANGCHANGLIANXUSHENGCHANXIANSHANGDEXINGUN、QIGANGHUOSAIHUAN、GANGCHENDENG。TiB2JIJINSHUTAOCITUCENGJUYOUGAORONGDIAN、GAOYINGDU、LIANGHAODEDIANHECIXINGNENGYIJIGAOKANGFUSHIXING,SHIYIZHONGQIANZAIDETIDAICr3C2YONGYUGAOWEN、NAIMODEJINSHUTAOCI。BIA12O3、Cr3C2-NiCr、WC-CoJUYOUGENGGAODENAIMOXINGNENG。

WCJIJINSHUTAOCITUCENGCHANGYONGYU450℃YIXIADEMOLIMOSUNHECHONGSHIMOSUNGONGKUANG。XUXIANGYANGDENGYANJIULEDENGLIZIPENTUWC/18CoTUCENGDEWEIDONGMOSUNJILI。JIEGUOBIAOMING,TUCENGDEWEIDONGMOSUNKAISHIJIEDUANYIZHANZHEMOSUNWEIZHU,TUCENGYINGDUGAO,KANGZHANZHENENGLIQIANG,MOSUNQINGWEI;WENDINGJIEDUANYIPILAOTUOCENGHECUIXINGKAILIEBOLUOWEIZHU,TUCENGCUIXINGDA,PENTULIZIJIANJIEHEQIANGDUDI,RONGYIMOSUN。PENTUCENGNEIBUDEYANGHUAWUJIAZASHIZAOCHENGTUCENGKANGWEIDONGMOSUNNENGLIBUZUDEZHUYAOYUANYIN。

4、FEIJINGTAITUCENGDEYANJIUXIANZHUANG

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XIANGXINGHUADENGCAIYONGDENGLIZIPENTUGONGYIZHIBEIFeJIFEIJINGHEJINTUCENG(HANSi,B,Cr,NiDENG),TUCENGGEQUYUDEZUZHIJUNYUNYIZHI,TUCENGZHIMIDUGAO,KONGXILVDI,YANGHUAWUHANLIANGJIAOSHAO,BINGJUYOUHENGAODEYINGDU,XIANWEIYINGDUZAI530~790HV0.1FANWEINEI,TUCENGYUJICAIJIEHELIANGHAO。

DENGYANJIULEBAOZHAPENTUFe-Cr-BXIHEJINTUCENGDEWEIGUANZUZHIHENAIMOXING。JIEGUOBIAOMING,TUCENGJUYOUHENHAODEKANGMOSUNHEFANGFUXINGNENG,TUCENGZAIHUADONGMOSUNGUOCHENGZHONGDONGTAICHANSHENGFEIJINGTAIBIAOMIANMO,SHITUCENGDENAIMOXINGXIANZHUTIGAO,TONGSHIMOCAXISHUXIANZHUXIAJIANG。

ZONGSHANGSUOSHU,CAIYONGHVOF、DENGLIZIPENTU、DIANHUPENTU、BAOZHAPENTUDENGFANGFAPENTUJINSHU、TAOCI、JINSHUTAOCIHEFEIJINGTAIDENGNAIMOTUCENG,KEYIYOUXIAODITIGAOJITICAILIAODENAIMOXING。SHENRUYANJIUREPENTUCENGDEMOSUNJILIJITUCENGZUZHIJIEGOUDUIMOSUNTEXINGDEYINGXIANG,WEIGAISHANTUCENGZUZHI、YOUHUAPENTUGONGYIYIJIKAIFAXINXINGNAIMOTUCENGTIGONGLILUNYIJU。

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