金巴黎彩票

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鐵素體可鍛鑄鐵的生產工藝研究

來源:未知 佚名 2019-09-20 瀏覽
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金巴黎彩票   1.1 KEDUANZHUTIEGAIKUANG KEDUANZHUTIESHIJIANGBAIKOUZHUTIETONGGUOGUTAISHIMOHUARECHULI(BAOKUOYOUHUOWUTUOTANGUOCHENG)DEDAODEJUYOUTUANXUZHUANGSHIMODETIETANHEJIN。CAIYONGBUTONGDERECHULIFANGFA,KEYIDEDAOJUYOUBUTONGZUZHIHEXINGNENGDEKEDUANZHUTIE,JIHEIXINKEDUANZHUTIE、ZHUGUANGTIKEDUANZHUTIEHEBAIXINKEDUANZHUTIE。 DANGJIANGBAIKOUZHUTIEMAOPIJIANZAIMIFENGDETUIHUOLUZHONGJINXINGRECHULI,JIZAIZHONGXINGLUQITIAOJIANXIATUIHUOSHI,DEDAODEZHUTIEZUZHIZHONGYOUCHENGTUANXUZHUANGDESHIMO(TUIHUOTAN)CUNZAI。ZHEZHONGSHIMOSUIBUHENYUANZHENGHEJINMI,DANTADUIJITIDEGELIEZUOYONGZEBIHUIZHUTIEZHONGDEPIANZHUANGSHIMOYAOXIAODEDUO,YINCITANENGSHIZHUTIEDEDAOJIAOGAODEQIANGDUJILIANGHAODERENXING。ZHUTIEDEJITIKEYITONGGUORECHULILAIJIAYIKONGZHI。SHIZHICHENGWEITIESUTIHUOZHUGUANGTI。YONGZHEZHONGFANGFADEDAODETIESUTIJITIKEDUANZHUTIEYINZUZHIZHONGYOUSHIMOCUNZAI,YINERZHUTIEDEDUANMIANCHENGANHUISE,ERZAIBIAOCENGJINGCHANGYOUBODETUOTANCENGCHENGQIANHUISE,GUTONGCHENGWEIHEIXINKEDUANZHUTIE。ERZHUGUANGTIKEDUANZHUTIEZESHIYIQIJITIMINGMINGDE。

  【1】 1.2 鐵素體可鍛鑄鐵的組織 nth="12" day="30" islunardate="False" isrocdate="False" w:st="on">1.2.1鐵素體可鍛鑄鐵的組織特點 鐵素體可鍛鑄鐵的金相組織為鐵素體基體加團絮狀石墨。由于退火過程中爐氣的氧化作用,常使鑄件金巴黎彩票表面有一脫碳層,與中心部位的顯微組織有所不同。 可鍛鑄鐵中心部位的石墨主要有團絮狀和絮狀,有時還會出現團球狀、聚蟲狀和枝 晶狀等。

  【2】 1.2.2TIESUTIKEDUANZHUTIEDEXINGNENG nth="12" day="30" islunardate="False" isrocdate="False" w:st="on">1.2.2.1 LIXUEXINGNENGJIYINGXIANGYINSU (1)DANXINGMOLIANG:TIESUTIKEDUANZHUTIEDEDANXINGMOLIANGYUEWEI157~170GPa,DANXINGMOLIANGSUIZUZHIZHONGSHIMOSHULIANGDEZENGJIAHEJINMIYUANZHENGDUDEJIANGDIERJIANXIAO。 BOSONGBIWEI0.25~0.28. (2)PILAOXINGNENG: TIESUTIKEDUANZHUTIEDEGUANGHUASHIYANGDEDUICHENGWANQUPILAOJIXIANWEI175~210MPa。 (3)GAO、DIWENXINGNENG:KEDUANZHUTIEDEKANGLAQIANGDUHEQUFUDIANZISHIWENZHI370℃WUMINGXIANBIANHUA。TIESUTIKEDUANZHUTIEZAIGAOWENXIADECHIJIUQIANGDUSUIWENDUSHENGGAOERJIANGDI。KEDUANZHUTIEDEYINGDUSUIWENDUSHENGGAOERYOUSUOBIAN

  2 HUA,DANGWENDUCHAOGUO400℃HOU,YINGDUMINGXIANXIAJIANG。ZAIDIWENXIAKEDUANZHUTIEDEQIANGDUSUIWENDUXIAJIANGERSHENGGAO,SHENCHANGLVZEXIAJIANG,CIZHONGBIANHUAQINGKUANGYURENXINGCUIXINGZHUANBIANYOUGUAN。TIESUTIKEDUANZHUTIEYOUJIAOGAODECHONGJIRENDU。

  【3】 nth="12" day="30" islunardate="False" isrocdate="False" w:st="on">1.2.2.2 鑄造性能 可鍛鑄鐵鑄造性能具有如下特征: (1)流動性:可鍛鑄鐵碳、硅含量低,液相線溫度偏高,凝固溫度范圍較大,所以流動性不好,類似于鑄鋼。故要求澆注溫度較高,薄壁件應在1350 ℃以上,中厚件澆注溫度要大于1320℃同時要求鑄型耐火度較高。 (2)收縮:可鍛鑄鐵鑄態組織為白口,收縮較大,體收縮一般為5.3%~6.0%,線收縮為1.5%~1.8%。冒口必須保證足夠的尺寸和數量,以利補縮,冒口形式大多采用頂部180°(角)的暗冒口。白口鑄件退火時,將產生石墨化膨脹,其值隨碳含量而變。鐵素體可鍛鑄鐵退火時,如碳含量為2.2%,長度脹出1.4%,精確鑄件的工藝,應同時考慮鑄造收縮和退火膨脹。鐵素體可鍛鑄鐵件金巴黎彩票模型的縮尺一般選用2.8%,具體數值可根據鑄件結構、鑄型硬度、鐵水含碳量等來決定。 (3)縮松與縮孔:因流動性不好,故可鍛鑄鐵的澆注溫度偏高,造成液態收縮偏大,結晶溫度范圍又較寬,極易產生縮松與縮孔。當結晶過程中形成樹枝狀結晶和板條狀共晶組織時,縮松傾向尤為突出,且補縮能力差,極易產生縮松。 (4)鑄造應力和裂紋可:鍛鑄鐵收縮大,應力大,裂紋傾向隨之也大。故裂紋傾向性大是可鍛鑄鐵同其他鑄鐵區別的特征之一。裂紋傾向與鐵液結晶凝固溫度范圍較 大,易生成樹枝狀結晶、形成板條狀結構、補縮性能較差、收縮較大等性能有關。

  【4】 1.3 YANJIUNEIRONGJIMUDE (1)CHAYUEWENXIANZILIAO,ZHANGWOKEDUANZHUTIEDECHENGFENZUZHI,SHENGCHANGONGYIXINGNENGJIYINGYONG; (2)WANCHENGTIESUTIKEDUANZHUTIEDEPEILIAO,RONGLIAN,ZHUZAOGONGYIJIRECHULIGONGYI; (3)HUIZHIZUOSHAXINGJILEJIESHAXINGCHENGFEN; (4)GUANCHAJINXIANGZUZHI,BINGDUIJINXIANGZUZHIJINXINGFENXI.

  2.1 HUAXUECHENGFENDEXUANDINGYUANZE

  (1)BAOZHENGZHUJIANRENYIJIEMIANZAIZHUTAISHIQUANBAIKOU,BUCHUXIANMADIAN,FOUZEHUIXIANZHUJIANGDIJIXIEXINGNENG;

  (2)YOULIYUJIAOKUAIDESHIMOHUAGUOCHENG,YIBAOZHENGDUANSHIJIANNEIWANCHENGSHIMOHUATUIHUO,SUODUANSHENGCHANZHOUQI;

金巴黎彩票   (3)YOULIYUTIGAOJIXIEXINGNENG;

  (4)ZAIBUYINGXIANGJIXIEXINGNENGDEQINGKUANGXIA,JIANGUZHUZAOXINGNENG,CONGERTIGAOCHANPINDEHEGELV。

  【5】 2.2TIESUTIKEDUANZHUTIEPEIBIJISUAN

金巴黎彩票   (1) CHAZILIAOKEDEKEDUANZHUTIEBIAOZHUNHANLIANGWEI:

金巴黎彩票   ZAIRONGLIANGUOCHENGZHONGCUNZAISHAOSUNXUANQUSHAOSUNLVRUXIA: CZENGJIA5% SiSHAOSUN5% MnSHAOSUN10% SZENGJIA50% PBUBIAN YOUYISHANGSHUJUKEYIDEDAOYIXIAJISUANGUOCHENG,FENBIEJISUANCHUXUYAOTIANJIADESHENGTIEZHONGTANMENGTIE45HAOGANGDEHANLIANG。LIEYUXIABIAO。 (2)JISUANGUOCHENG: YIRONGLIAN100gBAIKOUZHUJIANWEILI,SHEXUYAOQ10SHENGTIEDELIANGWEIx, ZHONGTANMENGTIEDELIANGWEIy ,45HAOGANGWEIz ZEKEYILIEXIALIEFANGCHENGZU

  X+y+z=100

金巴黎彩票   4.32x+1.91y+0.45z=2.38×100

  0.44x+75.85y+0.65z=0.61×100

金巴黎彩票   JISUANKEDE:x=49.7 y=0.35 z=49.95

  4 YOUCIDINGCHUTIESUTIKEDUANZHUTIEDECHUBUPEILIAOCHENGFENDANJIANBIAO2.2,Q10SHENGTIEDEPEIBIWEI49.7%,ZHONGTANMENGTIEDEPEIBIWEI0.35%,FEIGANGWEI49.95% BIAO2.2TIESUTIKEDUANZHUTIECHUBUPEILIAOCHENGFEN

  ZAIRONGLIANGUOCHENGJIARUGUITIEYIQUEBAOSiDEHANLIANGFUHEYAOQIUJIKE。

金巴黎彩票   2.3RECHULIGONGYIDEXUANDING TUIHUOGONGYI: TUIHUOGUOCHENGJIQIZUZHIZHUANBIAN,YONGTU2.1SUOSHIDETUIHUOQUXIANJIZUZHIBIANHUASHIYITULAISHUOMING。QIGUOCHENGKEFENWEIRUXIAWUGEJIEDUAN。

金巴黎彩票   (1)SHENGWENJIEDUAN(0~1)。“1”DIANWENDUYIBANWEI950℃ZUOYOUHUOSHAOGAOXIE,CISHIZHUTIEZUZHIYOUZHUGUANGTIJIALAISHITIZHUANBIANCHENGAOSHITIJIALAISHITI。SHIJISHENGCHANZHONG,YOUYUJIAODADETUIHUOLUSHENGWENJIAOMAN,JIAREDAO900℃YISHANGXUYAO10~20hYISHANG,SUIRANZAIGUIDINGDESHIMOHUATUIHUOGONGYIGUIFANZHONG,MEIYOUZHUANMENDEYUCHULIJIEDUAN,DANSHIJISHANGJINGGUO300~500℃DESHIJIANCHAOGUOLE3~5h,YIHANYOUYUCHULIDEZUOYONG。ZENGJIADIWENYUCHULIDESHIJIAN,GENGKEYIZENGJIAHOUDADUANMIANKEDUANZHUTIEDESHIMOHEXINSHU。

  (2)SHIMOHUADIYIJIEDUAN(1~2)。ZAIDIYIJIEDUANBAOWEN,ZITU2.1 TUIHUOQUXIANJIZUZHIBIANHUASHIYITUYOUSHENTANTIBUDUANRONGRUAOSHITIERZHUJIANXIAOSHI,TUANXUZHUANGSHIMOZHUJIANXINGCHENG。DIYIJIEDUANJIESHUSHI(DAO“2”DIAN),ZUZHIWEIAOSHITI(γ)JIATUANXUZHUANGSHIMO。ZHEGEJIEDUANSUOXUDESHIWENCHANGDUANYIZIYOUSHENTANTINENGQUANBUFENJIEWANWEIZHUN,GUOCHANGWUYIQIEYOUHAI。

  (3)ZHONGJIANJIEDUAN(2~3)。ZHICONGGAOWENLENGQUEDAOSHAODIYUGONGXIWENDU(710~730℃DEFANWEI)DE JIEDUAN。SUIZHUWENDUDEJIANGDI,AOSHITIZHONGDETANZHUJIANTUORONG,FUZHUZAIYISHENGCHENGDETUANXUZHUANGSHIMOSHANG,SHISHIMOCHANGDA。DAO“3”DIANDEZUZHIWEIZHUGUANGTIJIATUANXUZHUANGSHIMO。ZHEJIEDUANLENGDETAIMANHUIZENGJIATUIHUOZHOUQI,TAIKUAIHUICHUXIANERCISHENTANTI。 (4)SHIMOHUADIERJIEDUAN(3~4)。ZAI710~730CCHUBAOWEN,KESHIGONGXIZHUGUANGTIZHUJIANFENJIECHENGTIESUTIJIASHIMO,SHIMOJIXUXIANGYIYOUDETUANXUZHUANGSHIMOSHANGFUZHUSHENGCHANG,DAO“4”DIANSHIZUZHIWEITIESUTIJIATUANXUZHUANGSHIMO。ZHEJIEDUANSUOXUSHIJIANDECHANGDUANGENJUZHUGUANGTISHIFOUNENGFENJIEWANERDING。ZHEJIEDUANYIKECAIYONGCONG750CZUOYOUKAISHI,YI3~5C/hDEHUANMANSUDUTONGGUOGONGXIQU,ZHEYANGAOSHITIKEZHIJIEZHUANBIANWEITIESUTIJIASHIMO。ZHEGEFANGFASHIMOHUASUDUKEKUAIXIE,DANKONGZHILENGQUESUDUSHIGEGUANJIANYINSU。 TU2.2TIESUTIKEDUANZHUTIEJINXIANGZUZHI (5)LENGQUEJIEDUAN(4~SHIWEN)。DAO“4”DIANYIHOU,ZAIJIXUBAOWENBINGBUFASHENGZUZHIBIANHUA,KE

  6 YONGJIAOKUAISUDULENGQUE。WEIFANGZHIHUIHUOCUIXING,LENGDAO500~600rCSHIJIKECHULUKONGLENG。TIESUTIKEDUANZHUTIEXIANWEIZUZHIRUTU2.2SUOSHI。[6] 2.4 SHIYANYONGYUANCAILIAO、YIQISHEBEIJISHIYANBUZOUDEZHIDING

金巴黎彩票   nth="12" day="30" islunardate="False" isrocdate="False" w:st="on">2.4.2BENCISHIYANSUOYONGYIQISHEBEI

金巴黎彩票   (1)KEKONGSiZHONGPINLU (2)RECHULILU:DUIJINSHUGONGJIANJINXINGGEZHONGJINSHURECHULIDEGONGYELUDETONGCHENG。WENDUYIBANJIAOJIARELUWEIDI。RECHULILUKEYICAIYONGGEZHONGJIARELUDELUXING,DANYAOQIUJIAOYANGEDIKONGZHILUWENHELUNEIQIFENDENG。RECHULILUDADUOSHIYONGQITIRANLIAOJIARE,WEILEZHUNQUEKONGZHILUWEN,YOUDERECHULILUYONGDIANJIARE。 TU2.3RECHULILU (3)JINXIANGXIANWEIJING:YONGRUSHEZHAOMINGLAIGUANCHAJINSHUSHIYANGBIAOMIAN(JINXIANGZUZHI)DEXIANWEIJING。 (4)JIAOZHUSHEBEI (5)LUOSHIYINGDUJI

  (6)HUNSHAJI (7)ZAOXINGSHEBEI nth="12" day="30" islunardate="False" isrocdate="False" w:st="on">2.4.3SHIYANBUZOU nth="12" day="30" islunardate="False" isrocdate="False" w:st="on">2.4.3.1ZHIZUOSHAXING BENSHIYANXUANYONGGANSHAXINGJINXINGJIAOZHU,GANSHAXINGSHIYIZHANTUHEPENGRUNTUZUOZHANJIEJIDEYIZHONGXINGSHA,ZHUTIEJIANDEGANSHAXINGDADUOCAIYONGLIDUJIAOCUDEYUANSHA。GANSHAXINGSHAZHUYAOYOUXINSHA、JIUSHA、ZHANTU、PENGRUNTU、FUJIAWUHESHAOLIANGDESHUIZUCHENG。ZHIZUOGUOCHENGZHONGXIANJIANGXIASHAXIANGFANGHAO,ZHIZUODICENG,YAOJINSHI,FANGZHIXIELOU,ZAIJIANGLINGJIANFANGHAOJIANGHUNHEHAODESHAZIDAORUSHAXIANGZHONGDAOYICENGYASHIYICENGZHIDAODINGDUAN,DINGDUANYAOYAPING。 nth="12" day="30" islunardate="False" isrocdate="False" w:st="on">2.4.3.2RONGLIAN BENSHIYANCAIYONGDIANHULURONGLIAN,BAQ10SHENGTIE、45GANG、ZHONGTANMENGTIEFANGRURONGLUZHONGJINXINGRONGLIAN,DAIQUANBURONGHUAHOUJIANG75GUITIEFANGRULUZHONG,DAYUE40FENZHONGJINXINGJIAOZHU。SHIYONGGONGJUBIXUGANZAO,FAXIANCHAOSHIBUZHUNSHIYONG。SHIYANZHONGYAOZHUYIANQUAN。 2.4.3.3JIAOZHU BENSHIYANCAIYONGZHIJIEJIAOZHUYUANBANG,SHIYANRENYUANYAOZHUYICHUANHAOGONGZUOFUDAIHAOSHOUTAOZHUYIANQUAN。 2.4.3.4RECHULI TIESUTIKEDUANZHUTIESHIYOUBAIKOUZHUPITUIHUOERCHENGDE。BAIKOUZHUPIDEZHUTAISHIWENZUZHIWEI:ZHUGUANGTI(TIESUTI+ GONGXISHENTANTI)+ LAISHITI(AOSHITI+GONGJINGSHENTANTI)+ ERCISHENTANTI。TUIHUODEMUDEJIUSHIYAOJIANGGONGJINGSHENTANTI、ERCISHENTANTIHEGONGXISHENTANTIQUANBUFENJIEWEITIESUTIHESHIMO。TIESUTIKEDUANZHUTIETUIHUOGUOCHENGKEFENWEIWUGEJIEDUAN,FENBIEWEI:SHENGWEN、DIYIJIEDUANSHIMOHUA、ZHONGJIANJIEDUANLENGQUE、DIERJIEDUANSHIMOHUAHECHULULENGQUE。JUTICAOZUOKECANKAO2.2 RECHULIGONGYIDEXUANDING JINGGUOYANGEKONGWENHEBAOWENSHIJIANDERECHULIHOUKEYIDEDAOBIJIAOCHUNJINGDETIESUTIJITIKEDUANZHUTIE,ZUIHOUDEZUZHIKEYIJIBENDEFUHEWOMENSHIYANYAOQIU。 2.4.3.5JINXIANGZHIZUOYUGUANCHA JIANGWEIJINGSHIMOHUATUIHUORECHULIYUJINGGUOSHIMOHUATUIHUORECHULIDESHIYANGFENBIEZHIZUOJINXIANGZUZHI,BINGZAIJINXIANGXIANWEIJINGXIAGUANCHABINGZHAOXIANG。BINGYUBIAOZHUNDEJINXIANGZUZHIJINXINGBIAODUIFENXI,ZHAOCHUZUZHIZHONGDEDIANXINGZUZHITEZHENG。BINGFENXISHIYANZHONGQUEXIANCHUXIANYUANYIN。

  8 DISANZHANG JIEGUOFENXI

金巴黎彩票   3.1 SHIYANSUODEJINXIANGZUZHI

  TU3.1ZHONGHEISEBUFENWEISHENTANTIZUZHI,BAISEBUFENWEIZHUGUANGTIZUZHI,

  TU3.2ZHONGBAISEBUFENWEITIESUTIZUZHI,HEISEBUFENWEITUANXUZHUANGSHIMOZUZHI。

金巴黎彩票   TU3.1 WEIJINGTUIHUOCHULIDEBAIKOUZHUJIANJINXIANGZUZHI

  TU3.2 JINGTUIHUOCHULIDEZHUJIANJINXIANGZUZHI

金巴黎彩票   3.2 SHIYANSUODEJINXIANGZUZHIFENXI

金巴黎彩票   TONGGUORECHULITU3.1ZHONGZHUGUANGTIXIANZHUANBIANCHENGAOSHITI,JISHIXIANAOSHITIHUA,ERHOUAOSHITIBUDUANRONGRUAOSHITIERZHUJIANXIAOSHI,TUANXUZHUANGSHIMOXIANGYINGSHENGCHENG,LENGQUEJIANGWENSHI,AOSHITIZHONGTANRONGJIEDUJIANGDIERXICHUGUOBAOHEDETAN,CHENJIYUSHIMOSHANG,ZUZHIBIANWEIZHUGUANGTIJIATUANXUZHUANGSHIMO,JIXUJIANGWENLENGQUE,ZHUGUANGTIFENJIE,XINGCHENGRUTU3.2SUOSHIDEBAISEBUFENDETIESUTIZUZHI,HEISEBUFENDETUXUZHUANGSHIMO。

  9 DISIZHANG JIELUN 1.CICISHIYANTONGGUOZHENGQUEXUANYONGLULIAOPEIBI,HUODELEKEYONGDEBAIKOUTIEZUZHI,JINGTUIHUORECHULI, JITIESUTIKEDUANZHUTIETUIHUOGUOCHENGDEWUGEJIEDUAN,FENBIEWEI:SHENGWEN、DIYIJIEDUANSHIMOHUA、ZHONGJIANJIEDUANLENGQUE、DIERJIEDUANSHIMOHUAHECHULULENGQUE,CONGERDEDAOLECHUNJINGDETIESUTIJITI。 2. ZAISHIYANZHONGWOXUEHUILEHENDUODONGXI,ZAISHENGCHANZHONGBUJINXUYAOZHUANYEZHISHIHUANXUYAOWOMENDEDONGSHOUNENGLI。WEIYIHOUDEXUEXIDINGWEIZHIMINGLEFANGXIANG。TONGGUOZHEGESHIYANWOXUEDAOLEHENDUOBUJINYOUDUIZHUANYEZHISHIGENGJIASHENKEDERENSHI,HUANYOUZAISHENGCHANSHIJIZHONGDUISHENGCHANLAODONGGENGJIASHENKEDELIJIE,DUIYIHOUZOUSHANGJIUYEGANGWEICONGSHIZHUANYEHUODONGYOULEGENGSHENDELIJIE。

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