磁场退火对双相纳米晶合金软磁特性的影响.pdf

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1、⻱൪䘰⚛ሩৼ⴨㓣㊣Ღਸ䠁䖟⻱⢩ᙗⲴᖡ૽Influenceofmagneticfieldannealingonthesoftmagneticpropertiesforthedual-phasenanocrystallinealloysᆖ、уъ˖ࠍ㚊ᘱ⢙⨶⹄ウ⭏˖ਢ⪎≁ᤷሬᮉᐸ˖⦻⋫ᮉᦸཙ⍕བྷᆖ⨶ᆖ䲒2012ᒤ5ᴸ⤜ࡋᙗ༠᰾ᵜӪ༠᰾ᡰ੸ӔⲴᆖս䇪᮷ᱟᵜӪ൘ሬᐸᤷሬл䘋㹼Ⲵ⹄ウᐕ֌઼ਆᗇⲴ⹄ウᡀ᷌ˈ䲔Ҷ᮷ѝ⢩࡛࣐ԕḷ⌘઼㠤䉒ѻ༴ཆˈ䇪᮷ѝнवਜ਼ަԆӪᐢ㓿ਁ㺘ᡆ᫠߉䗷Ⲵ⹄ウᡀ᷌ˈҏнवਜ਼Ѫ㧧ᗇ⮸㾴⮶ⷵᡆަԆᮉ㛢ᵪᶴⲴᆖսᡆ䇱Җ㘼⭘䗷ⲴᶀᯉDŽоᡁ

2、а਼ᐕ֌Ⲵ਼ᘇሩᵜ⹄ウᡰڊⲴԫօ䍑⥞൷ᐢ൘䇪᮷ѝ֌Ҷ᰾⺞Ⲵ䈤᰾ᒦ㺘⽪Ҷ䉒᜿DŽᆖս䇪᮷֌㘵ㆮ਽˖ㆮᆇᰕᵏ˖ᒤᴸᰕᆖս䇪᮷⡸ᵳ⭘ᦸᵳҖᵜᆖս䇪᮷֌㘵ᆼޘҶ䀓⮸㾴⮶ⷵᴹޣ؍⮉ǃ⭘ᆖս䇪᮷Ⲵ㿴ᇊDŽ⢩ᦸᵳ⮸㾴⮶ⷵਟԕሶᆖս䇪᮷Ⲵޘ䜘ᡆ䜘࠶޵ᇩ㕆ޕᴹޣᮠᦞᓃ䘋㹼Ự㍒ˈᒦ䟷⭘ᖡঠǃ㕙ঠᡆᢛ᧿ㅹ༽ࡦ᡻⇥؍ᆈǃ≷㕆ԕ׋ḕ䰵઼ُ䰵DŽ਼᜿ᆖṑੁഭᇦᴹޣ䜘䰘ᡆᵪᶴ䘱Ӕ䇪᮷Ⲵ༽ঠԦ઼⻱ⴈDŽ˄؍ᇶⲴᆖս䇪᮷൘䀓ᇶਾ䘲⭘ᵜᦸᵳ䈤᰾˅ᆖս䇪᮷֌㘵ㆮ਽˖ሬᐸㆮ਽˖ㆮᆇᰕᵏ˖ᒤᴸᰕㆮᆇᰕᵏ˖ᒤᴸᰕ᪎㾷⹄ウҶ⻱൪䘰⚛ሩFe74.5Cu1Nb2Si22.5-xBx(x=5~1

3、3)ǃ(Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9ǃNi25(Fe0.5Co0.5)48.5Cu1Nb3Si13.5B9㓣㊣Ღਸ䠁䖟⻱ᙗ㜭Ⲵᖡ૽ˈ⵰䟽࠶᷀Ҷ⻱൪䘰⚛ਾˈ㓣㊣Ღਸ䠁価઼⻱㠤ը㕙㌫ᮠǃᴹ᭸⻱਴ੁᔲᙗᑨᮠǃࡍ࿻⻱ሬ⦷Ⲵਈॆԕ৺ਈॆ䟿ѻ䰤Ⲵޣ㌫DŽXሴ㓯㹽ሴ˄XRD˅࠶᷀ᱮ⽪ˈ䘲ᖃ⑙ᓖⵏオ䘰⚛ਾFe74.5Cu1Nb2Si22.5-xBxǃ(Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9ǃNi25(Fe0.5Co0.5)48.5Cu1Nb3Si13.5B9൷ᖒᡀҶৼ⴨㔃ᶴⲴ㓣㊣Ღਸ䠁ˈᲦ㋂ቪረ઼Ღփ⴨Ⲵ

4、փ〟࠶ᮠ䲿ਸ䠁ᡀ࠶઼䘰⚛⑙ᓖⲴн਼㘼ᔲDŽ䙊䗷⍻ᇊ␜ᘱṧ૱Ⲵȝi~Tᴢ㓯ˈ㿲ሏࡠFeสǃFeCoสǃNiFeCoส␜ᘱਸ䠁Ⲵት䟼⑙ᓖ࠶࡛൘365°Cǃ460°C઼225°CˈѪ⻱൪䘰⚛Ⲵ⑙ᓖ䘹ᤙᨀ׋Ҷ׍ᦞDŽৼ⴨㓣㊣Ღਸ䠁㓿䗷⻱൪䘰⚛ਾˈ価઼⻱㠤ը㕙㌫ᮠȜSǃᴹ᭸⻱਴ੁᔲᙗᑨᮠࠪ⧠н਼Ⲵਈॆ⢩ᖱˈ⭡Ҿ⻱ᙗ৏ᆀሩ⋯ཆ⻱൪Ⲵᴹᒿॆᧂࡇˈਸ䠁Ⲵ⻱㠤ը㕙᰾ᱮ߿ሿˈሩҾ620°Cⵏオ䘰⚛ਾᖒᡀⲴFeCoส㓣㊣Ღਸ䠁ˈ޽㓿䗷⻱൪䘰⚛ਾȜS߿ሿҶ84%DŽ਼ᰦˈ⭡Ҿঅ䖤਴ੁᔲᙗⲴӗ⭏ˈਸ䠁Ⲵᴹ᭸⻱਴ੁᔲᙗᲞ䙽໎࣐ˈ500°Cⵏオ䘰⚛ਾⲴFeCoสਸ䠁

5、ˈ⻱൪䘰⚛ࠪ⧠53%Ⲵ໎䮯DŽ֌Ѫᖡ૽ࡍ࿻⻱ሬ⦷ȝiⲴєњ䟽㾱ഐ㍐ˈȜS઼Ⲵਈॆᕅ䎧ҶȝiⲴ⴨ᓄਈॆˈնȜSⲴ߿ሿᑵᓖ઼Ⲵ໎བྷᑵᓖн਼ˈަ൘ȝiⲴਈॆѝ֌⭘ҏн਼DŽᇎ傼㺘᰾ˈᴹ᭸⻱਴ੁᔲᙗⲴਈॆሩࡍ࿻⻱ሬ⦷Ⲵᖡ૽〻ᓖ㾱∄⻱㠤ը㕙㌫ᮠⲴᖡ૽〻ᓖབྷDŽᡰ⹄ウⲴй㊫ਸ䠁ѝˈ540°Cⵏオ䘰⚛ⲴFe74.5Cu1Nb2Si17.5B5઼620°Cⵏオ䘰⚛Ⲵ(Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9ˈᖒᡀⲴᲦփ⴨ᡰঐⲴ∄䟽䜭儈䗮80%ԕкˈሩ䘉є⿽㓣㊣Ღਸ䠁䘋㹼⻱൪䘰⚛ˈᇔ⑙ࡍ࿻⻱ሬ⦷൷ᴹаᇊⲴ໎䮯ˈ㘼ަᆳṧ૱ᯭ࣐

6、⻱൪䘰⚛ࡉᇔ⑙ࡍ࿻⻱ሬ⦷߿ሿDŽޣ䭞䇽˖㓣㊣Ღਸ䠁˗⻱൪䘰⚛˗価઼⻱㠤ը㕙㌫ᮠ˗ᴹ᭸⻱਴ੁᔲᙗ˗ࡍ࿻⻱ሬ⦷ABSTRACTTheinfluenceoflognitudinalmagneticfieldannealingonthesoftmagneticpropertiesfornanocrystallineFe74.5Cu1Nb2Si22.5-xBx(x=5-13),(Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9andNi25(Fe0.5Co0.5)48.5Cu1Nb3Si13.5B9alloyswereintervesti

7、gated.Thevariationsofsaturationmagnetostrictionandeffectivemagneticanisotropytogetherwiththeinitialpermeabilityaftermagneticfieldannealingforthedual-phasenanocrystallinealloysweremainlydiscussed.X-raydiffraction(XRD)showedthatthedual-phasenanocrystallinestructurewithbccĮ

8、-Fe(Co,Ni)Siandresidualamorphousphasewasformedinthestudiedalloysaftervacuumannealingatpropertemperature