2粉、苯丙乳液、聚乙烯醇、羧甲基纖維素等原料,按照一定配比制備鋁基高溫抗氧化涂層,探討不同熱處理溫度和熱處理時間對涂層高溫抗氧化性的影響。分別選用金相顯微鏡、場發(fā)射掃描電鏡、能譜分析儀和X射線衍射儀等研究裸露面和噴涂面的金相組織、涂層的微觀形貌、元素擴散和相組成。結果表明,鋁基高溫抗氧化涂層能夠阻止鈦坯熱加工過程中表面氧化皮的產(chǎn)生,擴散層夾層形成了具有良好防護作用的Al2O3-TiAl和TiAl3-Ti相,且涂層在1050 ℃,8 h防護效果較好。"/>

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熱處理對鋁基鈦坯涂層高溫抗氧化性能的影響
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昆明理工大學;中科院金屬所,昆明理工大學固體廢棄物資源化國家工程研究中心,昆明理工大學固體廢棄物資源化國家工程研究中心,昆明理工大學固體廢棄物資源化國家工程研究中心,西南林業(yè)大學機械與交通學院,西南林業(yè)大學機械與交通學院

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TB332

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國家自然科學基金資助項目（513011446）, 昆明理工大學引進人才科研啟動基金項目（KKSY201628022），


Effect of heat treatment on the oxidation resistance of Al-based coatings of titanium ingot
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National Engineering Research Center of solid waste resource,Kunming University of Science and Technology,National Engineering Research Center of solid waste resource,Kunming University of Science and Technology,National Engineering Research Center of solid waste resource,Kunming University of Science and Technology,National Engineering Research Center of solid waste resource,Kunming University of Science and Technology,Faculty of Machinery and Transportation, Southwest Forestry University,Faculty of Machinery and Transportation, Southwest Forestry University

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    摘要:

    將Al粉、Sn粉、SiO2粉、苯丙乳液、聚乙烯醇、羧甲基纖維素等原料,按照一定配比制備鋁基高溫抗氧化涂層,探討不同熱處理溫度和熱處理時間對涂層高溫抗氧化性的影響。分別選用金相顯微鏡、場發(fā)射掃描電鏡、能譜分析儀和X射線衍射儀等研究裸露面和噴涂面的金相組織、涂層的微觀形貌、元素擴散和相組成。結果表明,鋁基高溫抗氧化涂層能夠阻止鈦坯熱加工過程中表面氧化皮的產(chǎn)生,擴散層夾層形成了具有良好防護作用的Al2O3-TiAl和TiAl3-Ti相,且涂層在1050 ℃,8 h防護效果較好。

    Abstract:

    High temperature oxidation resistance coating were prepared by a certain ratio of Al powder, Sn powder, SiO2 powder, styrene acrylic emulsion, polyvinyl alcohol, sodium carboxymethyl cellulose mixed. The effects of different heat treatment temperature and heat treatment time on antioxidant properties were discussed. The microstructure of the exposed surface and spraying surface, coating microstructure, elements diffusion and interface phase structure were analyzed by optical microscope, field emission scanning electron microscopy, energy spectrum analysis instrument and X-ray photoelectron, respectively. The results show that aluminum high temperature oxidation coating effectively prevent surface oxide production formed on the surface of titanium ingot during thermal processing, Al2O3-TiAl and TiAl3-Ti phase with a good protective effect are formed in the interlayer, it is worthy noted that the excellent heat treatment temperature and holding time are 1050 ℃ and 8 h, respectively.

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榮 菊,李如燕,宋玉敏,于曉華,王 遠,孟 堃.熱處理對鋁基鈦坯涂層高溫抗氧化性能的影響[J].稀有金屬材料與工程,2017,46(7):1961~1965.[Rong Ju, Li Ru-yan, Song Yu-min, Yu Xiao-hua, Wang Yuan, Meng Kun. Effect of heat treatment on the oxidation resistance of Al-based coatings of titanium ingot[J]. Rare Metal Materials and Engineering,2017,46(7):1961~1965.]
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  • 收稿日期:2016-04-06
  • 最后修改日期:2016-06-02
  • 錄用日期:2016-07-15
  • 在線發(fā)布日期: 2017-11-14
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