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1.
柴油机复杂铸件的尺寸控制   总被引:3,自引:0,他引:3  
张苏 《铸造技术》1996,(1):33-35
柴油机复杂铸件的尺寸控制宜昌船舶柴油机厂(湖北省宜昌市443002)张苏TheSizeControlforComplexCastingofDieselEngine¥ZhangSu(YichangMarineDieselEnginePlant)1零件结...  相似文献   

2.
取消6110连杆正火工艺试验   总被引:1,自引:1,他引:0  
取消6110连杆正火工艺试验一汽无锡柴油机厂工艺处(无锡214026)马静芬须雅萍TestingforEliminationofNormalizingProcesto6110TypeConnectingRodMaJingfen,XuYaping连杆是...  相似文献   

3.
电炉冲天炉双联生产大型柴油机缸体台板铸件齐齐哈尔第一机床厂(黑龙江省齐齐哈尔市161005)柴树繁任德林赵树ProducingplatenforDieselEnginebyDuplexElectricFurnaceandCupolarChaiShuf...  相似文献   

4.
研究了电炉工艺和电渣工艺生产的8Cr20Si2Ni钢中碳经物类型、形貌、分布特征及其室温性能随温度的变化。在Philips CM12电子显微镜中观察到1050℃加热时晶内块状和症状M23C6数量最多,尺寸最大,冷却时原奥氏体晶界块状M23C6之间还析出少量精细颗粒和薄片M7C3;随着加热温度的升高,块状M23C6数量减少,粒状M23C6精细颗粒和薄片枝晶M7C3的数量增多,在高于1150℃加热和加  相似文献   

5.
Bond strength of W-Cu/CuCr integrated material   总被引:3,自引:0,他引:3  
1 INTRODUCTIONW Cu/CuCrintegratedmaterialnowisusedaselectriccontactmaterialinhigh powerswitcher[1] .TraditionalprocessofbondingW CucompositeandCuCralloyiswelding .BecauseweldingdefectsoftenappearatW Cu/CuCrweldinginterface ,theinter facebondislowandunstable[2…  相似文献   

6.
1.IntroductionTheactivitiesofMgCl2intheLiClMgCl2KClandCaCl2MgCl2NaClmoltensaltelectrolytesareanimportantparametertotheelectrolyticproductionofmagnesium.LiClandKClcanobviouslyimprovethepropertiesoftheelectrolyticsolution.NaClandCaCl2arethemajorcom…  相似文献   

7.
1.Introduction23NiCo,CoNialloysteel,strengthenedbyC,Cr,andMo,hasanoutstandingcombinationofhighfracturetoughnessandhightensilestrength.Unlikeotherhighstrengthsteels,suchas4340and300M,23NiCoislowC,FeNilathmartensticalloywhichattainsitspropertiesthrou…  相似文献   

8.
1IntroductionMoreandmorecarbonatemeltshavebeenemployedtoserveaselectrolyterecently,especiallyinmoltencarbonatefuelcells(MCFC).MCFCisbelievedtobeoneofthemostpromisingnewenergyconversiondevicethatconvertschemicalenergyinfossilfuelsintoelectricity[1~3].MCFCt…  相似文献   

9.
1 INTRODUCTIONTheelectrolytesolutionsofCuCl2 ,NiCl2 ,Co Cl2 ,ZnCl2 ,CdCl2 ,FeCl2 ,HCl,NaCl,KCl,CaCl2 ,MgCl2 ,BaCl2 ,etal,wereofteninvolvedinthehy drometallurgicalprocesses .Thethermodynamicprop ertiesofaqueoussolutionsoftheelectrolytesareveryimportanttoextractivemetal…  相似文献   

10.
Removal of sulfur in coke oven gas by mixing ZnO-based additive into coal   总被引:3,自引:0,他引:3  
1 INTRODUCTIONSulfurdistributionincokingprocessincludestwoparts .OnepartisgoingintoCOGasH2 S ,CS ,COSandC2 H2 SH .TheotherpartisresidualincokeasFeS ,CaS ,S2 andsoon .Traditionally ,theremovalofsulfurofCOGisbysprayingammoniawaterintohotcoalgastoformammoniumsulfat…  相似文献   

11.
1 INTRODUCTIONIn 195 8Nakagawafoundthatthereexitsametastablemiscibility gap (MG )inCu Coalloys .Thatis ,whenCu CoalloyissupercooledtoMG ,twoliquidphases ,namelyCo rich phaseandCu richphasewillform[1] .Thisunexpected phasetransfor mationwilcausetheinhomogeneousmicros…  相似文献   

12.
EditorialCommitteeofTransactionsoftheNonferrousMetalsSocietyofChina¥//Chairman:HeBoquanProfessorVice-Chairman:ChenJiayongRese...  相似文献   

13.
1.IntroductionSiChasbeenwidelyusedasspecialrefractories.Withdifferentbondingphases,SiCrefractoryscanbeclassifiedintooxide/SiC,Si3N4/SiC,Sialon/SiCandSiC/SiCsystems.TheSialon(Si6zAlzOzN8x,0<z<4.2)/SiCsystem,duetoitsbetterphysicalandchemicalpropertie…  相似文献   

14.
1.IntroductionWettabilitybetweenceramicandmetalisaveryimportantaspectoftheresearchanddevelopmentofCeramic/MetalComposites(CMC),whichhasagreateffectonthemicrostructureandpropertiesofCMC.Howevertheclassictheoryandmethoddidn’tshowtheinnerconnectionofco…  相似文献   

15.
EditorialCommitteeofthe《TransactionsofNonferrousMetalsSocietyofChina》Chairman:He,BoquanProfessorVice-Chairman:Chen,JiayongRes...  相似文献   

16.
1 INTRODUCTIONCuCralloysareimportantcontactmaterialsforvacuuminterruptersandarewidelyusedforhighvoltageapplicationsbecauseoftheirconsiderablehighinterruptingabilityandhighvoltagewithstandingstress[1].Presently ,themainmethodsofpreparingCuCralloysinclude…  相似文献   

17.
SeriesStatisticsDataofNon-ferrousMetalsofChinaⅠ2ASurveyingofTheChinaNationalNon-ferrousMetalsIndustryCorpcration(CNNC)Bycourt...  相似文献   

18.
Air oxidation of Cu-50Ni and Cu-70Ni alloys at 800℃   总被引:3,自引:1,他引:2  
1 INTRODUCTIONTheoxidationofunalloyedcopperandnickelhasalreadybeenstudiedindetail,butthereareratherfewstudiesonthehigh temperatureoxidationofbi naryCu Nialloys.Infact ,CuandNiformasubsti tutivesolidsolutionwithoutmiscibilitygap ,buttheiroxides ,CuOandCu2 Oa…  相似文献   

19.
1.IntroductionNiCrMoalloycastironisoftenusedtomakerollers.AddingSiCparticlesinittoformcompositecanimproveitswearresistanceandimpactstrengthproperties.ThismainlydependsonthestateofdistributionofSiC,SiCfactorandthecombinationstrengthbetweenthetwos.Toi…  相似文献   

20.
Preface     
PrefaceChangxuShi,HonoraryChairmanGuoliangChen,Co-organizerandHostC.T.Liu,Co-organizerStephenL.Sass,Co-organizerThisinternati...  相似文献   

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