钛镍合金连续铸造试验装置的研制

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1、上海大学硕士学位论文钛镍合金连续铸造试验装置的研制姓名：康迪申请学位级别：硕士专业：有色金属冶金指导教师：毛协民20080501上海大学硕士学位论文明显裂纹的纯TiN反应层，随着保温温度的升高，反应层厚度增加。(3)本装置的氮化硼结晶器内衬可以长时间使用。实验证明了自行研制的钛镍合金连续铸造试验装置和钛镍合金连续铸造工艺的可行性，为钛镍合金连续铸造的工业化生产提供了参考。但因该看到本装置存在着操作复杂，连铸过程不彻底，连铸坯增氧等问题，只适用于实验室研究。要实现钛镍合金连续铸造的工业化生产还必须在耐火

2、材料，连铸工艺上做许多工作关键词：钛镍合金，连续铸造，实验装置，氮化硼VII上海大学硕士学位论文ABSTRACTTi．Nialloyhasexcellentperformanceofphysicsandchemistry．Itiswidelyusedinmanyfieldssuchasaerospaceapplications，corrosionserviceinchemicalplants，surgicalimplants，marineandmilitaryapplications．Becauseo

3、fthehighprice，itisfewerusedinIndustrythanotherconventionalmetalmaterials．Thegrowthofcostofproductionisthehindranceofspreadingused，especiallythecostwhichisgrowninmouldedcastingbydissipationandlabour．TheresearchofcontinuouscastingforTi—Nialloyisnecessary，

4、becauseitcanreducethecostofproduction，spreadtheuseofTi—Nialloy．Inthispaper，ourpurposeistoverifythefeasibilityofcontinuouscastingforTi—Nialloy．Forthepurpose，wedevelopedacontinuouscastingexperimentalapparatusforTi—Nialloy，combiningsolidifyingrationale，hea

5、ttransferrationale，continuouscastingrationaleandinductionheatingrationale，onthebaseofthecharacteristicofTi—Nialloy．Theapparatushasthefollowingfunctionsas，(1)ThecontinuouscastingforTi州ialloyexperimentsareundergoneintheprotectionoffi1linginertgasagainstox

6、idation．(2)Themaximumtemperatureishigherthan2000。C．ThetemperatureoftheshelliSbelow40℃．(3)AstabletemperaturegradientcanbemadeinBNinnerliningofcrystallizerbyadjustingtheoutputpowerofelectricsource．(4)Thedrawingspeedcanbeadjustedfrom0．5mm／Minto1000mm／Min．T

7、hecontinuouscastingexperimentsucceedintheapparatuswhentheweightofmetalstockis1509，theoutputpowerofheatingis13kw，drawing上海大学硕士学位论文speedis2cm／Min，theholdingtemperatureis1500℃or1600。C．Thealloyingcomponentofthecastingblankshowsthepercentagecompositionof0，N，

8、Bisbiggerinthecastingblackthaninmetalstock．Andthecentofthoseelementisgrowingwhiletheholdingtemperatureislifting．Especiallythecentof0elementisgrowinghardlywhentheholdingtemperatureislifting．Thereisasmoothconversionzonemadeupofpure