共查询到20条相似文献,搜索用时 15 毫秒
1.
柴油机复杂铸件的尺寸控制 总被引:3,自引:0,他引:3
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.
Q.R.Zhang Y.G.Li Z.Fang Department of Chemistry Central South University of Technology Changsha China 《金属学报(英文版)》1999,12(5):1159-1163
1.IntroductionTheactivitiesofMgCl2intheLiClMgCl2KClandCaCl2MgCl2NaClmoltensaltelectrolytesareanimportantparametertotheelectrolyticproductionofmagnesium.LiClandKClcanobviouslyimprovethepropertiesoftheelectrolyticsolution.NaClandCaCl2arethemajorcom… 相似文献
7.
P. Zhong B. Ling B. Z. Gu Beijing Institute of Aeronautical Materials Beijing China 《金属学报(英文版)》1999,12(4):621-625
1.Introduction23NiCo,CoNialloysteel,strengthenedbyC,Cr,andMo,hasanoutstandingcombinationofhighfracturetoughnessandhightensilestrength.Unlikeotherhighstrengthsteels,suchas4340and300M,23NiCoislowC,FeNilathmartensticalloywhichattainsitspropertiesthrou… 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.
1 INTRODUCTIONSulfurdistributionincokingprocessincludestwoparts .OnepartisgoingintoCOGasH2 S ,CS ,COSandC2 H2 SH .TheotherpartisresidualincokeasFeS ,CaS ,S2 andsoon .Traditionally ,theremovalofsulfurofCOGisbysprayingammoniawaterintohotcoalgastoformammoniumsulfat… 相似文献
11.
Liquid separation behavior of Cu-Co alloy during isothermal process at high temperature 总被引:1,自引:1,他引:0
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.
《中国有色金属学会会刊》1995,(3)
EditorialCommitteeofTransactionsoftheNonferrousMetalsSocietyofChina¥//Chairman:HeBoquanProfessorVice-Chairman:ChenJiayongRese... 相似文献
13.
H. Q. Ru) N. Zhang) P. Z. Yu) X. D. Sun)) Northeastern University Shenyang China) Shenyang University Shenyang China 《金属学报(英文版)》1999,12(5):1175-1179
1.IntroductionSiChasbeenwidelyusedasspecialrefractories.Withdifferentbondingphases,SiCrefractoryscanbeclassifiedintooxide/SiC,Si3N4/SiC,Sialon/SiCandSiC/SiCsystems.TheSialon(Si6zAlzOzN8x,0<z<4.2)/SiCsystem,duetoitsbetterphysicalandchemicalpropertie… 相似文献
14.
J.Y. Zhang Z.Y. Fu W.M Wang H. Wang X.M. Min State Key Lab .of Advanced Technologyfor Materials Synthesis Processing Wuhan University of Technolo gy Wuhan China 《金属学报(英文版)》1999,12(4):395-400
1.IntroductionWettabilitybetweenceramicandmetalisaveryimportantaspectoftheresearchanddevelopmentofCeramic/MetalComposites(CMC),whichhasagreateffectonthemicrostructureandpropertiesofCMC.Howevertheclassictheoryandmethoddidn’tshowtheinnerconnectionofco… 相似文献
15.
《中国有色金属学会会刊》1995,(1)
EditorialCommitteeofthe《TransactionsofNonferrousMetalsSocietyofChina》Chairman:He,BoquanProfessorVice-Chairman:Chen,JiayongRes... 相似文献
16.
1 INTRODUCTIONCuCralloysareimportantcontactmaterialsforvacuuminterruptersandarewidelyusedforhighvoltageapplicationsbecauseoftheirconsiderablehighinterruptingabilityandhighvoltagewithstandingstress[1].Presently ,themainmethodsofpreparingCuCralloysinclude… 相似文献
17.
《中国有色金属学会会刊》1996,(2)
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.
J.B. Li) J.P. Niu) X. Wang) ) College of Machinery Shenyang University Shenyang China) BenxiIron Steel Company Benxi China 《金属学报(英文版)》1999,12(4):705-707
1.IntroductionNiCrMoalloycastironisoftenusedtomakerollers.AddingSiCparticlesinittoformcompositecanimproveitswearresistanceandimpactstrengthproperties.ThismainlydependsonthestateofdistributionofSiC,SiCfactorandthecombinationstrengthbetweenthetwos.Toi… 相似文献
20.
《金属学报(英文版)》1995,(Z1)
PrefaceChangxuShi,HonoraryChairmanGuoliangChen,Co-organizerandHostC.T.Liu,Co-organizerStephenL.Sass,Co-organizerThisinternati... 相似文献