新型鑄態(tài)鑄造鋁硅合金的研制.pdf

1、重慶大學碩士學位論文新型鑄態(tài)鑄造鋁硅合金的研制姓名：彭晉民申請學位級別：碩士專業(yè)：材料加工工程指導教師：錢翰城19990501ABSTRACT重慶大學碩士論文’I’llisworklSapartofsystemicalresearchonanewtypeofas—castm—SiaUoyFollowingtheformerresearchbytheEngneeringMaterialsandFormingInstituteofChong

2、qingUniversityaimprovedcomponentofZLl19hasbeenobtainedbyoptimizingdesigntestmethodAnewcompoundrefiningmodificatorAJBforhypoeutecticm—Sialloyshasbeendeveloped，theg缸refiningandmodificatingeffectsaretestifiedbyexperimentsTh

3、eworkingprincipleofthiscompoundrefiningmodificatorhasbeendiscussedTreatedbyAJBcompoundrefiningmodificatorZLI19alloyshowstheas—castmechanicalpropertiesofO“b≥230Mpa，65≥2％whicharemuchbetterthanthoseofALSialloysindomesticand