简介:Linearcontractionofgreyironsandcastings;Measurementandminimizationofresidualstressesinironcastings;Microstructurecharacterizationofductilethinwallironcastings;ProcessofManufacturingRiserlessCastingsfromHypereutecticHigh-StrengthIrons;Resources-SavingInoculationofHigh-QualityCastIrons;Thinwallcompactedgraphiteironcastings
简介:ApplicationofCastSimulationforLarge-SizedIronCastings,ApplicationofProtectiveFilmsandPenetrationPreventingPartingPowdersonGreenSandMoldsforIronCastings,Combinedhardeningoftheslidingguidewaysofthemetal-cuttingmachinetools,Computersimulationofvariousmethodsforgreensandfilling,Criticalityoffoundryimperfections,Effectofrapidsolidificationonslidingwearofironcastings.
简介:EffectsofappliedpressureduringfeedingonthefatiguepropertiesofcriticalcastaluminumalloycomponentsanAFS/CMCresearchprojectprogressreport,No.2;Effectsofshotblastingondimensionalvariationofcastings;Eliminatingfish-eyedefectsinductilecastings;Graphiteshapecharacterisationincastiron-fromvisualestimationtofractaldimension;intensificationofgraphitizmgannealinginmalleableironcastingsmanufacture。
简介:摘要:新型奥氏体耐热钢与马氏体耐热钢焊接过程中,由于两种钢材的成分和组织差异,焊接接头的性能受到显著影响。通过优化焊接工艺参数,分析了焊接热影响区的显微组织演变及其对力学性能的影响。结果表明,合理的焊接工艺能有效改善接头的强度和耐热性,但接头部位的裂纹敏感性仍需进一步控制。研究结果为不同类型耐热钢的焊接工艺优化提供了理论依据和实践指导。
简介:摘要概述了耐热混凝土的施工技术,针对施工中容易出现的质量通病及缺陷,采取了相关的技术措施,解决了耐热混凝土浇筑及与普通混凝士接缝处理、浇筑完成后的养护等施工难题,确保施工质量。