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热处理对20g高压锅炉管组织与性能影响有多大?
作者:山东华飞管业有限公司 来源:http://wowquilts.com 日期:2018-11-3 14:03:07 人气:18

  热处理对20g高压锅炉管组织与性能影响有多大?

  热处理改变了20g高压锅炉管中Mg2Si的形貌与分布,晶粒得到显著的细化,晶界网状析出物消除,热锻和热挤压后坯料晶粒大小分布均匀,20g高压锅炉管的组织由α-Mg、共晶Mg2Si、共晶Mg2Sn三相组成,经480℃过固溶处理后,20g高压锅炉管中的Mg2Sn相基本溶解,而热轧后晶粒大小不一,在晶界及晶内都有第二相析出,呈弥散分布状态。

彩经网  RECHULIGUOCHENGZHONGMg2SnXIANGYIMISANXINGSHIXICHU,PINGJUNJINGLICHICUNYOUWEIBIANZHIHEJINDEYUE140μmXIHUADAOYUE40μm,XIXIAODEMg2SnXIANGMISANXICHUBINGSHI20gGAOYAGUOLUGUANBANDEYINGDUMINGXIANSHENGGAO,ZAISUIHOUDESHIXIAOGUOCHENGZHONGFASHENGCHENDIANXICHU,CONGERXIHUA20gGAOYAGUOLUGUANZHUTAIZUZHI,MINGXIANTIGAOHEJINDEXIANWEIYINGDU,DADAO47.6 HV。

  KEYIKANCHURECHULIDUI20gGAOYAGUOLUGUANDEZUZHIZHENDENENGCHANSHENGBIJIAODADEYINGXIANG,DANGRANZHEIGEYINGXIANGSHICHAOZHEHAODEFANGMIANFAZHANDE。

  15crmoWUFENGGANGGUANJUEDUIKEYICHENGDESHANGSHIXINGJIABIBIJIAOGAODEGUANCAI,SUOYISHUOZAISHICHANGSHANGDEFAZHANHAISHIQUYUBIJIAOBUCUODESHUIPING,MUQIANZAIHENDUOLINGYUDOUDEDAOBIJIAOGUANGFANDEYINGYONG。

20g高压锅炉管10.jpg

彩经网  15crmoWUFENGGANGGUANZHUYAOYONGLAIZHIZAOGAOYAJIQIYISHANGYALIDEZHENGQIGUOLUGUANDAODENGYONGDEYOUZHITANSUJIEGOUGANG、HEJINJIEGOUGANGHEBUXIUNAIREGANG15crmoWUFENGGANGGUAN、ZHEIXIEGUOLUGUANJINGDANGCHUYUGAOWENHEGAOYAXIAGONGZUO、GUANZIZAIGAOWENYANQIHESHUIZHENGQIDEZUOYONGXIAHAIHUIFASHENGYANGHUAHEFUSHI,YINCIYAOQIUGANGGUANYOUGAODECHIJIUQIANGDU、GAODEKANGYANGHUAXINGNENG,BINGJUYOULIANGHAODEZUZHIWENDINGXING。

  15crmoWUFENGGANGGUANCAIYONGGANGHAOYOU:YOUZHITANSUJIEGOUGANGGANGHAOYOU20G、20MnG、25MnG;HEJINJIEGOUGANGGANGHAO15MoG、20MoG、12CrMoG、15CrMoG、12Cr2MoG、12CrMoVG、12Cr3MoVSiTiBDENG;YOUXIUNAIREGANGCHANGYONG1Cr18Ni9、1Cr18Ni11NbGAOYAGUANCHUBAOZHENGHUAXUECHENGFENHEJIXIEXINGNENGWAI,YAOZHUGENZUOSHUIYASHIYAN,YAOZUOKUOKOU、YABIANSHIYAN。GANGGUANYIRECHULIZHUANGTAIJIAOHUO。CIWAI,DUICHENGPINGANGGUANXIANWEIZUZHI、JINGLIDU、TUOTANCENGYEYOUYIDINGYAOQIU。ZHEIXIEDOUSHIWOMENRICHANGSHENGHUOZHONGBIXUYONGDAODE,SUOYI15crmoWUFENGGANGGUANTEXINGZHENGHAOFUHEZHEIXIE。NEIMEQIZAIDIZHIKANTANZHONGYEHUIYONGDAO。