齒輪鋼20CrMnTi淬透性的研究與預(yù)報.pdf

1、東北大學(xué)碩士學(xué)位論文齒輪鋼20CrMnTi淬透性的研究與預(yù)報姓名：王浩然申請學(xué)位級別：碩士專業(yè)：材料加工工程指導(dǎo)教師：齊克敏高秀華20050301東北失學(xué)碩士學(xué)住論文ABSTRACTResearchandPredictionofHardenabilityofGearSteel20CrMnTiABSTRACTThethesisisbasedonNortheastenUniversityandLaiWuIron&SteelCoscienti

2、ficresearchprojectBycombininggearsteeltheorywit1practicalproblemandcollectionofalargeamountofonthe—spotdata，theoreticalanalysisandresearchonchemicalcompositioneffectonhardenabilityiscarriedoutInordertoimproveactualapplic

3、ationlevel，itisitisnecessarytodevelopasoftwarewhichcouldpredictthehardenabilityThemainworksarelistedasfollowing：1Wimthecollectionofalargeamountofonthe—spotdatachemicalcompositioneffectonhardenabilityisstudiedwimtheregres

4、sionanalysismethodtohavearationalunderstandaboutthechemicalcompositioneffecttoimproveactualapplicationlevel2Themathematcsmodelissetuptocalculateandpredictthehardenabilitywitllthecollectionofalargeamountofonthe—spotdataan

5、dtheregressionanalysismethodItisbasictosetuparationalandexactpredictionmodelTheregressionanalysismethodispracticalinhardenabilityprediction3SimplemathematcsmodelCallnotreflecttheroleexactlyGearsteelhardenabilitypredictio

6、nhastobecarriedoutfBrtherbecausetheregressionanalysisiskindoflimitedtheartificialnetworkiScarriedouttomakeasoftwarebecauseitCansolvenonstructureandnonlinearityproblem，Thissoftwareisabletoinputandsavedatatoupdatethedatain

7、thebasicdatafile，besidestoforecastthehardenabilityandthechemicalconstitutionofgearsteelquantificationallyThesoftwareforecastthemwiththeuseofamuchadvancedtheorywhichcallartificialneuralnetworks，SOthesoftwarehavehighrelati

8、velyprecision，goodthecapacityofnonlinearmappingandgeneralization，excellentfaulttolerantcapacityandisabletohandleinformationconcurrentlyInaddition，thesoftwareisdevelopedbyVisualBasic，thesoftwareinterfaceisfriendlyandthere