CAJ | 학술논문

液态铈非常活泼，与很多涂层都发生反应。将钽坩埚表面氧化后熔炼铈已有比较满意的结果，但在石墨坩埚表面喷涂Ta2O5，涂层的研究报道却很少。本文总结了石墨坩埚表面等离子及火焰喷涂Ta2O5涂层工艺。在大气中通过热震试验考核了氧化钽涂层相稳定性，在真空感应加热环境下对火焰喷涂氧化钽涂层进行了进一步的热震稳定性考核，采用SEM分析了涂层表而微观形貌，同时采用XRD技术分析了加热前后氧化钽涂层的组成变化，分析表明，火焰喷涂能够制备单一的Ta2O5涂层。石墨坩埚表面Ta2O5涂层熔炼实验表明，液态铈不侵蚀Ta2O5涂层。
액태시비상활발，여흔다도층도발생반응。장단감과표면양화후용련시이유비교만의적결과，단재석묵감과표면분도Ta2O5，도층적연구보도각흔소。본문총결료석묵감과표면등리자급화염분도Ta2O5도층공예。재대기중통과열진시험고핵료양화단도층상은정성，재진공감응가열배경하대화염분도양화단도층진행료진일보적열진은정성고핵，채용SEM분석료도층표이미관형모，동시채용XRD기술분석료가열전후양화단도층적조성변화，분석표명，화염분도능구제비단일적Ta2O5도층。석묵감과표면Ta2O5도층용련실험표명，액태시불침식Ta2O5도층。
The liquid cerium is very active with much coating.Tantalum crucible by oxidation were satisfactory to melting cerium.But the study of Ta205 coating by spraying on graphite crucible were very few.This process of tantalum oxide coating by plasma and flame spraying on graphite crucible surface were summarized.Phase structure of tantalum oxide coating were investigated by thermal shock experiments in the atmosphere.Through vacuum induction heating, the thermal shock resistance of tantalum oxide coating by flame spraying were investigated.Coating surface microstructure were analyzed by AES.By heating, the composition of tantalum oxide coating were analyzed by XRD.Analysis shows that single Ta205 coating were obtained by the flame spraying. Melting experiments shows that liquid cerium don't eroded Ta205 coating.