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ID:32292169
大小:8.36 MB
页数:45页
时间:2019-02-02
《微波烧结feccu粉末冶金材料的组织的研究性能》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
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2、yusedi11t11emilita巧a11dpharIn删ical,chemical,foodstufrheatiI坞andceramicmaterials,overtheyears,productsof也epowdermetallurgybymicrowavesillteringhalVebecomenleho卸ot.11lisissuechoicedFe—C—Cupowdermetallurgymatcrialonrnjcr0唧Ivesinteringasas.tudy,eXploredfeaSibil毋a11dsinteringCharacteriSt
3、icsof111icrowaVesinteringpowdermetallurgypr0山lctS,觚dt11eIl,t11epropeniesandmicros臼Ⅻmlll。ofmicrowaVesiIl_tel.cdsamplewerestudiedatdi丘.erentsinteringtemperatures,andmicrowavesintereds锄pleswerecompared、vitllconventionalsintereds锄plesunderthes锄econditions.neresultsShowtllat心er1100℃、1120
4、℃、1150℃、1180℃、1200℃ofmicrowavesne血gsamplesdeIlS时follow吨is6.92咖m3、7.01酢m3、7.19酢mj、7.05酢mj锄d7.Og/cm3,BrineUhardnessf.0110wingis38.5HB、46.7HB、50.3HBand48.1HB;MicrowaVesinterings锄pleshaVetinycrystalgra.m、goodmicrostnJctureandlli曲density,somicrowaVesinteringcansignjficantlyimproVethes锄pI
5、esperfo肌锄ce.Thepropeniesandmicrostructureofrnjcrowavesint嘶ngFe—C—Cuat1150℃fordi疏rentso描ngtimewerestudied.Whenthemicr0、vaVesinteringso越ngtimecllangedfbm5miIlt0l5mill,tllesintereddensityfollowingis6.91g/cm3、7.09鲈m’、7.19∥cm’add7.1龇m3,whicharefirStlyincreaSeda11dthendecreased,nhasbestde
6、nS时ofl5miIlso出ngtiIlle;Brinenk呱lIlessfoHowingis38.5HB、46.7HB、50.3HBadd48.1HB,whichare6rstIyincreasedaIld廿1endecreaSedbysodl(ingtime.Continuetoextendthesoakillgtimeto2嘶i11findthatdens埘andhardnessalsolittledecrcaSed.TheiIlfluenceofmec砒怕nadding0nthepr叩ertiesofFe—C-CualloywaS咖died.111er
7、esultsshowedthatwhenthecarboncomemw弱lesstllaIlO.9%,诚tllthei11crementincarbonadding,theI掰dnessofthem{ltcrials砌ghtlyincreased,meintensityfirStIyincreasedandthendecreaLsed.AtcarboncontentofO.6讯%t11ecomprehenSivepe面衄锄cew嬲0ptim啪,h∞d11essHBw硒50.3.TheFe.C—Cusintereds锄ple’saXjaleXpansionrat
8、edecreaSedgmduallyI
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