辐照交联超高分子量聚乙烯的生物摩擦学性能研究

整理文档很辛苦,赏杯茶钱您下走!

免费阅读已结束,点击下载阅读编辑剩下 ...

阅读已结束,您可以下载文档离线阅读编辑

资源描述

๭ߡන೺ǖ762008-10-30גߛݴጱଉ਋ᅚဗDŽUHMWPEDžਏᆶଆࡻڦิ࿿၎ඹႠĂࣅბ࿘ۨႠĂ؋ऍႠĂఱఉႠतఱޫ์ႠLj๟ඇ࠲বዃ्༹࣑ኧ׫௬໯೵Փ჋ᆩڦ֌ଙLjᆌᆩᇀට߾ợ࠲বڦኲ෇࿿ᅙᆶ40ܠ౎ڦ૦๏[1]ă඗ܸLjሞ׊೺ڦ๑ᆩࡗײዐሰׯڦఉ໦ᅜतఉႈओ਋Ljᅟᆅഐࠡዊම঴Lj݀ิ࿮ਪ຿ۯLjܸٗेዘକ࣒ኁڦས੮Ljইگକට߾࠲বڦ๑ᆩ๱ం[2-4]ăኄٝ๑ට்ლ൱ิ࿿ఊ։ბႠీ߸ᆫᅴڦට߾࠲ব༺پ֌ଙLjईܔ၄ᆶ֌ଙ৊ႜ߀ႠLjᅜٳڟ༵ߛ֌ଙఱఉႠڦణڦăణമLj๘হฉܔᅅᆩUHMWPEڦఊ։ఉ໦Ⴀీڦ߀Ⴀ੗ݴྺ঍૴߀Ⴀࢅ࿿૙߀Ⴀă঍૴߀Ⴀᆼ੗ݴྺࡗᄟࣅ঍૴Ă౾૴व঍૴ࢅޖቷ঍૴Ǘ࿿૙߀Ⴀᅃӯ๟ኸགଙ߀ႠăഄዐLjޖቷ঍૴ీ၂ዸ༵ߛUHMWPEڦఱఉႠ[5]ăԨ࿔֑ᆩ˹-พ၍ܔᅅᆩUHMWPE৊ႜޖቷ঍૴ت૙Ljჺ৯ޖቷ঍૴ܔᅅᆩUHMWPE૰ბࢅิ࿿ఊ։ბႠీڦᆖၚă1ํᄓևݴ1.1ᇱଙUHMWPELjݴጱଉ5000000LjெࡔTiconaࠅິă1.2ᅏഗᇑยԢඤუฏ঳ୗLjZT-40-20YBLjฉ࡛ץࣀۉୗᆶ၌ࠅິǗཞօඤݴဆᅏLjSTA409CLjڤࡔNetzschࠅິǗྲఊ։ఉ໦๬ᄓऐLjUMT-IILjெࡔCETRࠅິǗۉጱྤీ๬ᄓऐLjWDW-20Lj׊ؾ๨וᄞ๬ᄓᅏഗᆶ၌ࠅິă1.3๬ᄣ዆ԢॽUHMWPEݹଙጎ෇ఇਏLj׉࿒ူ5MPaᇨუ15minǗ඗ࢫLjॽఇਏݣ෇ेඤୗዐLjሞ200ņူԍ࿒2hǗໜࢫLjॽఇਏൽ؜Ljᅜ10MPaԍუ዁ఇਏ࿒܈ই዁40ņᅜူLjनڥׯ႙๬ᄣăॽ๬ᄣሞ๪࿒Ă੣ഘዐLj֑ᆩ˹-พ၍৊ႜޖቷLjޖቷवଉྺ100kGyă1.4঳ৗ܈֪֑ۨᆩཞօඤݴဆᅏ֪ۨᄣ೗ڦDSC൸၍ăॽޖቷ঍૴גߛݴጱଉ਋ᅚဗڦิ࿿ఊ։ბႠీჺ৯StudyonBiotribologicalPropertyofIrradiationCrosslinkedUHMEPEएূၜణǖڍࠑᒬཨመߥ۲᧚᧗ཁᮉᄫ὇Ὀፕኁ०঻ǖϓᒬ˗ úὋႃὋ෇ᔙᄡ̠ۡὋӯܢᆐቂၶὋ˞᜵̯̂ၶྫྷ୔୺ߥழ᭦ᄉᆐቂnjWpm/48!Op/2!)Tvn/312*Kbovbsz!!311:ృጲݿNiZifeng-ዐࡔઁᄽٷბऐۉ߾ײბᇾఊ։ბᇑ੗੍Ⴀ߾ײჺ৯໯ఊ։ბࡔॆዘۅํᄓ๪ิ࿿ఊ։ბዐ႐Ljॿ໋Ⴘዝ221116-BiotribologyCenter,StateKeyLaboratoryofTribology,InstituteofTribologyandReliabilityEngineering,CollegeofMechanicalandElectricalEngineering,ChinaUniversityofMiningandTechnology,Xuzhou221116,China୑NJ᜵:֑ᆩ˹-พ၍ܔᅅᆩגߛݴጱଉ਋ᅚဗDŽUHMWPEDž৊ႜޖቷ঍૴ت૙Ljჺ৯କޖቷ঍૴ܔᅅᆩUHMWPE૰ბႠీࢅิ࿿ఊ։ბႠీڦᆖၚă঳ࡕ՗௽ǖޖቷ঍૴๑UHMWPEڦ঳ৗ܈Ăᆘ܈ĂڑႠႠీĂੇࣄ࢓ీ૰ࢅఊ։ఉ໦Ⴀీ༵ߛLjڍইگକUHMWPEڦ໒ႠႠీăAbstract:Themedicalultra-highmolecularweightpolyethylene(UHMWPE)wasirradiationcrosslinkedby˹-rays,theeffectofirridiationcrosslinkingonthemechanicalpropertyandbiotribologicalpropertyofUHMWPEwasstudied.Theresultsshowthatirradiationcrosslinkingimprovesthecrystallinity,hardness,elasticproperty,anti-scratchpropertyandwearresistancofUHMWPE,butdecreasestheplasticpropertyofUHMWPE.С᪃ជ:גߛݴጱଉ਋ᅚဗǗޖቷ঍૴Ǘิ࿿ఊ։ბKeywords:UHMWPE;Irradiationcrosslinking;Biotribology૙ࣅ֪๬࿔ቤՊࡽǖ1005-3360DŽ2009Dž01-0076-03஠࿸ಕខᆉ:A˖ڎѫዜՁ:TQ325.1277311:౎!2ሆ!ڼ48ਝ!ڼ2೺DŽጺڼ312೺Džޖቷ঍૴גߛݴጱଉ਋ᅚဗڦิ࿿ఊ։ბႠీჺ৯UHMWPE๬ᄣDŽሀ5~10mgDžٗ๪࿒ेඤ዁180ņLjื࿒໏୲10ņ/minăٗDSC൸၍ฉऺ໙30~170ņݔྷాڦဌඤރ௬ओLjᇑᅙኪ100%঳ৗڦUHMWPE๬ᄣڦභබඤܔԲLjन੗ڥڟԥ֪๬ᄣڦ঳ৗ܈xLjनDŽ1Dž๕ዐLjŗHĊĊ໯֪๬ᄣڦ঳ৗභබඤǗŗHcĊĊ100%঳ৗ๬ᄣڦභබඤLjྺ291J/gă1.5ᆘ܈֪ۨუ࢓ᆘ܈֪๬ӀENISO2039Ċ1Քጚሞྲఊ։Քጚ๬ᄓऐฉ৊ႜLj჋ᆩ኱০ྺDŽ5.0Ġ0.05DžmmڦZrO2༩ٍ൰ă֪๬ࡗײዐLj๯ံॽᄣ೗DŽ40mmġ50mmġ4mmDžݣሞ֪๬ೝ໼ฉǗ඗ࢫӝ༩ٍ൰ᅜ9.8Nፕᆩ૰უ෇UHMWPE๬ᄣ՗௬ժԍ׼3sǗໜࢫॽፕᆩ૰ሺ዁132Nժԍ׼30sࢫႂሜǗሞ๬ᄓࡗײዐLjऻ୤უ࢓ศ܈Ljሶუ࢓ᆘ܈࣑໙ྺǖDŽ2Dž๕ዐLjHĊĊუ࢓ᆘ܈LjMPaǗDĊĊ൰኱০LjmmǗhmaxĊĊፌٷუ࢓ศ܈LjmmǗPmaxĊĊፌٷፕᆩ૰LjNă1.6؋უ२ൎഽ܈֪๬؋უ२ൎႠీ֪๬ᅈ਍ASTMF2183Ċ02Քጚሞۉጱྤీ๬ᄓऐฉ৊ႜă๯ံLjॽೌጒUHMWPE๬ᄣDŽ኱০6.4mmLjࢩ܈1mmDžҾጎሞጆᆩॄਏዐLjස཮1໯๖Ǘ඗ࢫӝॄਏݣሞ๬ᄓऐฉ৊ႜუ໫ेሜLjუ໫࿋ᅎ໏܈ྺ0.5mm/minLjཞ้ऻ୤๬ᄣڦሜࢁ-࿋ᅎ൸၍ăⴤᖴ˖2.5mmUHMWPE䈅ṧ৊ᓖ˖1.0mmⴤᖴ˖6.4mm䙏⦷˖0.5mm/minⴤᖴ˖3.8mmᒣⴤߢཤ཮1؋უ२ൎ๬ᄓॄਏ๖ᅪ཮'JH4DIFNBUJDESBXJOHPGUIFIPMEFSPGUIFQVODITIFBSJOHUFTUJOHEFWJDF1.7ࣄ࢓ഽ܈๬ᄓࣄ࢓๬ᄓৎຼںఇెକఉ૭ఉ໦ऐ૙ڦڇ߲ᆘዊྲཫ༹ईఉ૭ሞްࢇ֌ଙ՗௬ڦఉ໦ࡗײă໲ፕྺްሗఉ໦ࡗײڦ०ࣅLjᅙׯྺ՗ኙ֌ଙఊ։ፆ૰ईఱఉႠڦዘᄲ๮܎ኮᅃăԨࣄ࢓๬ᄓሞఊ։ఉ໦๬ᄓऐฉ৊ႜLjࣄ࢓ኍॖ኱০ྺ400̂mLj݆ၠፕᆩ૰1NLjࣂۯ໏܈0.2mm/săࣄ࢓ဣຕ̂ᆯူ๕ऺ໙ǖDŽ3Dž๕ዐLjFfĊĊࣄ࢓ፆ૰LjNǗFNĊĊ݆ၠፕᆩ૰LjNă1.8ఊ։ఉ໦Ⴀీ֪๬๬ᄣڦఊ։ఉ໦Ⴀీ֪๬ሞఊ։ఉ໦๬ᄓऐฉ৊ႜă჋ൽ኱০ྺ4mmڦSi3N4༩ٍ൰ፕྺܔఊ֌ଙLj֑ᆩྫްࣂۯఊ։๬ᄓఇ๕ă๬ᄓཉॲྺǖ๪࿒Lj25%ၭ౥ეൣාࣂLj݆ၠेሜ૰ྺ19.8NLjࣂۯ໏܈10mm/sLjࣂۯਐ૗10mmLj๬ᄓ้क़2hLjཞ้ऻ୤ఊ։ဣຕLjժᆩMicroXAM՗௬ෙྼႚஸᅏ֪ଉఉ໦༹ओLjᆩ෢௮ۉጱ၂ྲ৥࠵ִఉ໦՗௬ႚஸă2঳ࡕᇑ༪ஃ2.1ޖቷ঍૴ܔUHMWPE঳ৗ܈ࢅᆘ܈ڦᆖၚ՗1ଚ؜କޖቷ঍૴മࢫUHMWPEڦ঳ৗ܈ࢅᆘ܈ڦՎࣅăٗ՗1ዐ੗ᅜੂ؜Ljޖቷ঍૴ࢫUHMWPEڦ঳ৗ܈ࢅᆘ܈ۼᆶ໯ሺेLjݴ՚༵ߛକ13.03%ࢅ3.92%ăኄ๟ᅺྺǖޖቷ঍૴ڞዂUHMWPEݴጱ૾܏ଛLjܸٗ๑ڥኄၵႎႚׯڦݴጱ૾ీࠕ߸ࡀሶںዘႎಇଚLjႚׯৗ༹Ǘ঳ৗ܈ڦሺे՗௽ݴጱ૾ڦಇଚ߸ᆶႾ৆ٙLjᆘ܈ᄺࣷໜኮ༵ߛă՗1ޖቷ঍૴മࢫUHMWPEڦ঳ৗ܈ࢅᆘ܈5BC$SZTUBMMJOJUZBOEIBSEOFTTPGJSSBEJBUFEBOEVOJSSBEJBUFE6).81&6).81&ፆంऎᆵऎ /噝NNᣢཱ̓ᐎґddᣢཱ̓ᐎՐdd78ޖቷ঍૴גߛݴጱଉ਋ᅚဗڦิ࿿ఊ։ბႠీჺ৯2.2ޖቷ঍૴ܔUHMWPE२ൎႠీڦᆖၚ՗2ߴ؜କޖቷ঍૴മࢫUHMWPEڦ؋უ२ൎႠీຕ਍ăٗ՗2ዐ੗ᅜੂ؜Ljޖቷ঍૴ࢫLjUHMWPEڦ؛๔ߑ܈Ăᆘࣅߑ܈ࢅट၌ሜࢁݴ՚༵ߛକ13.7%Ă12.1%ࢅ11.8%Ljڍट၌࿋ᅎইگକ22.7%ăኄ๟ᅺྺǖUHMWPEڦڑႠ༬Ⴀ๴ৗ၎ႚༀڦᆖၚLjܸ໒Ⴀ༬Ⴀ๴ݥৗ၎ႚༀڦᆖၚăޖቷ঍૴ᆅഐ঳ৗ܈ڦ༵ߛLjܸٗ؛๔ߑ܈ࢅᆘࣅߑ܈ᄺໜኮ༵ߛǗ඗ܸLjޖቷ঍૴ࣷইگUHMWPEڦჽቛႠLjᅺܸഄट၌࿋ᅎᄺ၎ᆌইگă՗2ޖቷ঍૴മࢫUHMWPEڦ؋უ२ൎႠీ5BC1VODITIFBSJOHQSPQFSUJFTPGJSSBEJBUFEBOEVOJSSBEJBUFE6).81&6).81&ѹݼѷऎ /噝NNᆵӐѷऎ /噝NN౜ᬌᣑᕲ/౜ᬌͮሧNNᣢཱ̓ᐎґddddᣢཱ̓ᐎՐdddd2.3ޖቷ঍૴ܔUHMWPEఊ։ბႠీڦᆖၚ՗3ߴ؜କޖቷ঍૴മࢫUHMWPEڦࣄ࢓ဣຕࢅఉ໦༹ओăٗ՗3੗ᅜੂ؜Ljޖቷ঍૴ࢫLjUHMWPEڦੇࣄ࢓ፆ૰௽၂༵ߛăኄ๟ᅺྺǖޖቷ঍૴༵ߛକUHMWPEڦ঳ৗ܈ࢅᆘ܈LjሺٷକUHMWPEڦئ٪ఇଉLjᅺܸഄੇࣄ࢓ీ૰ᄺڥᅜ༵ߛă՗3ޖቷ঍૴മࢫUHMWPEڦࣄ࢓ဣຕࢅఉ໦༹ओ5BC4DSBUDIDPFGGJDJFOUTBOEXFBSWPMVNFPGJSSBEJBUFEBOEVOJSSBEJBUFE6).81&6).81&Ѳ჈ጆஜᇛ૮ͳሤNNᣢཱ̓ᐎґddᣢཱ̓ᐎՐdd཮2၂๖କUHMWPEᄣ೗ఉ໦՗௬ڦෙྼႚஸLjᅈ਍ُ཮૧ᆩMicroXAM෉ॲऺ໙؜ఉ໦༹ओăޖቷ঍૴༵ߛକUHMWPEڦఱఉႠీăሞ25%ၭ౥ეൣාࣂཉॲူLjޖቷ঍૴ࢫUHMWPEڦఉ໦༹ओইگକ34%ă཮3ߴ؜କޖቷ঍૴മࢫUHMWPEᄣ೗ఉ໦՗௬ڦSEMႚஸ཮ă࿄ޖቷڦUHMWPEᄣ೗՗௬၂ڥ࢔փೝኝLjᆶႹܠࠏ֣ࢅྲଛ࿖Lj੗९ೃહ࢓गǗሞఊ։ࡗײዐ๴ڟთ࣍ᆌ૰ፕᆩLjํाথة൶݀ิᅃۨײ܈ڦ໒ႠՎႚLjໜጣ৊ᅃօڦఉ໦LjUHMWPE՗֫ႚׯ၂ྲଛ࿖Ljժሞথة՗௬ူકቛLjፌዕԊ૗ྃ஌ႚׯఉႈăޖቷ๑UHMWPEݴጱ૾क़ׂิ঍૴Ljፆҹକ္ྼଛ࿖ڦׂิࢅકቛǗཞ้ᆯᇀᆘ܈ڦሺेLjఉ໦՗௬߸ೝኝă཮2UHMWPEᄣ೗ఉ໦՗௬ڦෙྼႚஸ'JH%NPSQIPMPHZPGUIFXPSOTVSGBDFPG6).81&TBNQMF὇BὈలᣢཱ̓ᐎ὇CὈᣢཱ̓ᐎՐ཮3ޖቷ঍૴മࢫUHMWPEᄣ೗ఉ໦՗௬ڦSEMቷೌ'JH4&.QIPUPTPGUIFXPSOTVSGBDFTPGJSSBEJBUFEBOEVOJSSBEJBUFE6).81&TBNQMFT3঳ஃDŽ1DžDSC֪๬঳ࡕ՗௽Ljޖቷ঍૴༵ߛକUHMWPEڦ঳ৗ܈ăDŽ2Džᆘ܈ࢅ؋უ२ൎ֪๬঳ࡕ၂๖Ljޖቷ঍૴ሺेକUHMWPEڦᆘ܈ࢅڑႠႠీLjڍইگକUHMWPEڦ໒ႠႠీăDŽ3Džఊ։ఉ໦঳ࡕ՗௽Ljޖቷ঍૴༵ߛକUHMWPEڦੇࣄ࢓ీ૰ࢅఊ։ఉ໦༬ႠăԟᏥ஠࿸Ὑ-J4#VSTUFJO)6MUSBIJHINPMFDVMBSXFJHIUQPMZFUIZMFOFUIFNBUFSJBMBOEJUTVTFJOUPUBMKPJOUJNQMBOUT++#POF+PJOU4VSHN .D,FMMPQ)$BNQCFMM11BSL4)FUBM5IFPSJHJOPGTVCNJDSPOQPMZFUIZMFOFXFBSEFCSJTJOIJQUPUBMIJQBSUISPQMBTUZ+$MJO0SUIPQ+BTUZ.#SBHEPO$#VSLF%FUBM*OWJWPTLFMFUBMSFTQPOTFTUPQPSPV

1 / 3
下载文档,编辑使用

©2015-2020 m.777doc.com 三七文档.

备案号:鲁ICP备2024069028号-1 客服联系 QQ:2149211541

×
保存成功