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ÖÐͼ·ÖÀàºÅ:TB£³£³£±¡¡¡¡¡¡ÎÄÏ×±êÖ¾Âë:A¡¡¡¡¡¡ÎÄÕ±àºÅ:£±£°£°£°£Ç£³£·£³£¸(£²£°£±£·)£±£±£Ç£°£°£±£¹£Ç£°£´
CNTs/AlInterfacialReactionDegreeandtheRelationshipwith
MechanicalPerformanceofComposite
LIZhongwen£±,LINRenbang£²,HULi£²,YUZiyun£³,YANLaipeng£³,TANZhanqiu£³,
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(£±£®CRRCQingdaoSifangCO£®,LTD£®,Qingdao£²£¶£¶£±£±£±,China;
£²£®ShanghaiInstituteofAerospaceSystemEngineering,Shanghai£²£°£±£±£°£¸,China;
£³£®StakeKeyLaboratoryofMetalMatrixComposites,ShanghaiJiaotongUniversity,Shanghai£²£°£°£²£´£°,China)
Abstract:Theevolutionofinterfacialreactiondegreewithdifferentsinteringtimeofmassfraction£²£¥
CNTs/£µ£°£¸£³Alcomposite was studied by the electrochemical dissolution£Çgas chromatography method£®The
relationshipofinterfacialreactiondegreeand mechanicalperformancewasdiscussed£®Theresultsshowthatwithsinteringtimeincreasingfrom£±hto£¶h,interfacialreactiondegreeof£²£¥CNTs/£µ£°£¸£³Alcompositeincreasedfrom£µ£®£µ£¥to£²£´£®£±£¥
andshowedacertainlinearrelationshipwithsinteringtimewhenthecompositewassinteredat£µ£·£°¡æ£®Young′smodulus,yieldstrengthandtensilestrengthofthecompositeincreasedatfirstandthendecreased,
whiletheelongationdecreasedslightlyatfirstandthenincreasedcontinuouslywiththeincreaseofsinteringtime£®
Key words:Carbon nanotube;aluminum matrix composite;interfacialreaction degree; mechanical
performance
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