fabrication of biodegradable nano-size可生物降解纳米材料制备.pdf

MaterialsScienceandEngineeringC32(2012)1253–1258

ContentslistsavailableatSciVerseScienceDirect

MaterialsScienceandEngineeringC

journalhomepage:

Fabricationofbiodegradablenano-sizedβ-TCP/Mgcompositebyanovelmelt

shearingtechnology

DebaoLiua,b,⁎,YuboZuob,WanyuMenga,MingfangChena,Z.Fanb

aSchoolofMaterialsScienceEngineering,TianjinUniversityofTechnology,Tianjin300384,

bBCAST(BrunelCentreforAdvancedSolidificationTechnology),BrunelUniversity,Uxbridge,MiddleUB83PH,UK

articleinfo

Articlehistory:Biodegradablemagnesium-matrixcompositeshaveattractedincreasinginterestforapplicationinimplant

Received14August2011materialfields.Inthisstudy,anewtypeofnano-sizedβ-tricalciumphosphate(β-TCP)/Mg–3Zn–Cacomposite

Receivedinrevisedform7January2012wasproposedandproducedusinganovelmeltshearingtechnologycombinedwithhigh-pressurediecasting

Accepted24March2012

(HPDC)process.Theeffectofthemixingmethodsonthedistributionofβ-TCPparticleswasinvestigated.

Availableonline30March2012

Microstructureevolutionduringsolidificationprocesswasanalysedandthemechanicalpropertiesofthe

compositewerealsoevaluated.Comparedwiththeconventionalmechanicalstirring,theagglomerate

Keywords:

β-TCPparticlesphenomenonoftheβ-TCPparticlesinthematrixcanbedecreasedbyusingthehig