MA致三元金屬合金非晶化的形成規(guī)律及應用.pdf

1、廣西大學碩士學位論文MA致三元金屬合金非晶化的形成規(guī)律及應用姓名：楊道虹申請學位級別：碩士專業(yè)：凝聚態(tài)物理指導教師：鐘夏平歐陽義芳2001.5.1廣西大學碩士學位論文ABgnUCTABSTRACTAccordingtotheSSARandMiedematheory，twokindsofparametersareusedtostudytheregularityofamorphousformationofternaryalloybymech

2、anicalalloyinginthisthesisThefirstistheenthalpyofalloyAs0BsoanddifferenceofselfdiffusionactivationenergyoftheconstituentsofalloyThesecondistheMiedema’Stheoryparameters△礦‘，加盆andAR／RMechanicalAlloyisaballmillingprocesswher

3、eapowdersmixtureplacedinthehallmillissnbjecttohighenergycollisionfromtheballsTheternaryalloysincludealuminum，transitionmetalandrareearthelementsBasedonexperimentaldatathecriteriaofformationofternaryamorphousalloycanbewri

4、ttenas!竺!!：!堡。!坐=!：!垡O9158573525≤1Thetotalaccuraciesforseparatingtheamorphousalloyformedornotbymechanicalalloyingare9630％and8333％，respectivelyKeywords：mechanicalalloying，Miedematheoryenthalpyofformation，actvationenergyof