AZ31镁合金板材等径角轧制及冲压性能研究的开题报告摘要：随着工业的发展，轻质、高强度、耐腐蚀的材料越来越受到广泛的关注。AZ31镁合金作为一种典型的轻质高强材料，在航空、汽车、电子等领域得到了广泛应用。然而，AZ31镁合金在板材制造中存在一些难点，如材料脆性导致的开裂和变形难以控制等问题。因此，本研究旨在通过等径角轧制方法和冲压工艺改善AZ31镁合金板材的成形性能，提高板材的机械性能和精度。本文先介绍了AZ31镁合金的组织结构和机械性能特点，以及板材成形中可能产生的问题。然后，详细介绍了等径角轧制技术的原理、实验设计和实验方法。实验结果表明，在一定的轧制参数下，等径角轧制可以有效地改善AZ31镁合金的成形性能，提高板材的机械性能和表面质量。最后，本文将研究重点转移到冲压工艺，探讨AZ31镁合金板材在冲压过程中的变形及其机制，以及冲压参数对成形质量的影响。通过本研究可看出，采用等径角轧制和冲压工艺是一种有效的方法来提高AZ31镁合金板材的成形性能，促进其在工业生产中的应用。关键词：AZ31镁合金板材；等径角轧制；冲压工艺；成形性能；机械性能；表面质量Abstract:Withthedevelopmentofindustry,lightweight,high-strengthandcorrosion-resistantmaterialshavebeenwidelyconcernedbypeople.AZ31magnesiumalloy,asatypicallightweightandhigh-strengthmaterial,hasbeenwidelyusedinaviation,automobile,electronicsandotherfields.However,AZ31magnesiumalloyhassomedifficultiesinsheetmanufacturing,suchascrackinganddifficulttocontroldeformationduetomaterialbrittleness.Therefore,thisresearchaimstoimprovetheformingperformanceofAZ31magnesiumalloysheetandimprovethemechanicalpropertiesandaccuracyofthesheetbyusingequal-diameteranglerollingmethodandstampingprocess.ThispaperfirstintroducesthestructureandmechanicalpropertycharacteristicsofAZ31magnesiumalloy,andtheproblemsthatmayoccurinsheetforming.Then,theprinciple,experimentaldesignandexperimentalmethodofequal-diameteranglerollingtechnologyaredescribedindetail.Theexperimentalresultsshowthatundercertainrollingparameters,equal-diameteranglerollingcaneffectivelyimprovetheformingperformanceofAZ31magnesiumalloy,andimprovethemechanicalpropertiesandsurfacequalityofthesheet.Finally,thispaperwillshiftthefocusofresearchtostampingprocess,exploringthedeformationandmechanismofAZ31magnesiumalloysheetinstampingprocess,aswellastheinfluenceofstampingparametersonformingquality.Throughthisresearch,itcanbeseenthatusingequal-diameteranglerollingandstampingprocessisaneffectivemethodtoimprovetheformingperformanceofAZ31magnesiumalloysheetandpromoteitsapplicationinindustrialproduction.Keywords:AZ31magnesiumalloysheet;equal-diameteranglerolling;