四種鋁合金基顆粒增強(qiáng)復(fù)合材料離心鑄造剎車盤的組織和性能比較研究.pdf

1、重慶大學(xué)碩士學(xué)位論文四種鋁合金基顆粒增強(qiáng)復(fù)合材料離心鑄造剎車盤的組織和性能比較研究姓名：王雪峰申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料加工工程指導(dǎo)教師：劉昌明20090401英文摘要ABSTRACTIIlⅡlispapcr，slurrypr印arationandfonl“ngprocessesof也rceautog口lousparticlerciIlforcedhyp鋤，utecticAlSialloymatrixcomposites，whiChw

2、ereAl一19Si一3M舀砧21Si一5Mg鋤d址一21Si一5M乎lCu一1Ni一02Ti04M札鋤daSiCpaniclereinforcedA1Sia110ym撕xcompositesweresnldiedAfe邪iblec翎靦如galc勰tingmouldw嬲desi朗cd√6mdmec即tri如galc勰tingproc器s觚d廿let鋤p蹦ItI玎efieldofalumi姍malloybrakedisk鋤dthemoul

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5、m鰣rotationalspeed40嘶／miIl(marked‘bl’)alldpouringt鋤perature780℃，mouldt即=lperature400℃，centri向galrotati伽山speed400r／min(marked‘b2’)forAl19％Si5％Mg；pouriI唱t鋤per砷urc794℃，mouldt即叩erature300℃，c鋤tri如galrotatioI試specd400D，miIl(mar

6、ked‘cl’)觚dp0證ngtemperan鵬757℃，mouldt咖peml=Ilre100℃，c∞trimgalrotationalspeed40∞／IIlin(marked‘c2’)for燦2lSi5M哥lCu1Ni—O2Ti一04Mn；pouriI瑪t即1perature640℃，mouldt即叩erature400℃c饑tri血鯽mtatio砌speed，40晰晌(m孤bd‘d’)forZLl04；pouringt鋤pera

7、tIlre720℃，mouldt鋤pera_ture600℃，c鋤trifIlgalro伽。枷speed80‰in(marked‘e’)forSiCpaIticlereinforcedAlSialloymatrixcomposit懿，werellsedt0fonnseV饑bral(ediskssuccess觚lyEVeryoneof廿losedisksweredissectIedintom啪parts，廿lefirstoneofWtli

8、Ch、Ⅳ0ulddirectlydissectag咖wllileⅡlesecondoneofwtlichwouldbeT4heat骶ated，鋤dmetllirdonewouldbeT6heat仃eatedTh吼samplingedmosebakediSksatdi丘相l(xiāng)tradialpositio璐，and63s鋤pleswereobtainedAR盱obsen，ingmemicrosnmcture，wefbundmatnlemo托m

9、eperceIltagecompositionofSi，廿lemorct：heVolume仔aCtionofpriIna叮crystalSip枷cles，鋤dtllattllerewam’tM92Sipamd懿ht110ses卸1plesinwIlichthepercentagecompositionofMgw嬲3％wIliletllercwerc0bViollSlyiIlt：hoses鋤plesinwhiChmeperc朋船gecom