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熱氧化時(shí)間對(duì)Ti6Al4V表層組織和性能的影響
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太原理工大學(xué),太原理工大學(xué),太原理工大學(xué),太原理工大學(xué),太原理工大學(xué),太原理工大學(xué),西安工業(yè)大學(xué),太原理工大學(xué),太原理工大學(xué)

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中圖分類號(hào):

TG146.2+3；TG 174.451

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(51501125)；中國(guó)博士后科學(xué)基金(2012M520604)；山西省青年科技基金(2013021013-2)；陜西省科技新星基金(2013KJXX-08)


Effect of Thermal Oxidation Duration on Microstructure and Properties of Ti6Al4V
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Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan,,Taiyuan University of Technology,Taiyuan,Taiyuan University of Technology,Taiyuan

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    摘要:

    在973 K 保溫10 h,20 h,30 h,40 h,50 h條件下對(duì)Ti6Al4V進(jìn)行熱氧化處理。采用X射線衍射儀、輝光光譜分析儀和掃描電鏡分析熱氧化層的特征。借助顯微硬度計(jì),往復(fù)摩擦磨損試驗(yàn)機(jī)和電化學(xué)工作站研究熱氧化時(shí)間對(duì)Ti6Al4V的表面硬度、耐磨性和耐蝕性的影響。結(jié)果表明：Ti6Al4V表面的熱氧化層均勻、連續(xù)；熱氧化時(shí)間對(duì)氧化層的形成、表面硬度耐磨性和耐蝕性有顯著影響；973 K-30 h工藝下獲得的氧化層具有較好的綜合特征。

    Abstract:

    Thermal oxidation (TO) treatments were conducted on Ti6Al4V under 973 K for 10 h, 20 h ,30 h, 40 h and 50 h,. Microstructural characteristics of the TO layers were analyzed using X-ray diffraction (XRD), glow discharge optical emission spectrometer analysis (GDOES) and scanning electron microscope (SEM). Effect of TO duration on microstructure and properties of Ti6Al4V were estimated on microhardness tester, MFT-R4000 reciprocating friction-wear testing machine and electrochemical workstation. The results showed that the obtained TO layers were uniform and continuous. TO duration had certain impacts on the formation, surface hardness, wear and corrosion resistance on TO layers. The TO layer produced at 973 K-30 h exhibited more promising characteristics indicating by thickness value, surface hardness, wear and corrosion resistance in comparison with other TO layers.

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鄒嬌娟,林乃明,秦建峰,王振霞,馬永,田偉,姚小飛,王志華,唐賓.熱氧化時(shí)間對(duì)Ti6Al4V表層組織和性能的影響[J].稀有金屬材料與工程,2018,47(4):1254~1260.[Zou Jiaojuan, Lin Naiming, Qin Jianfeng, Wang Zhenxia, Ma Yong, Tian Wei, Yao Xiaofei, Wang Zhihua, Tang Bin. Effect of Thermal Oxidation Duration on Microstructure and Properties of Ti6Al4V[J]. Rare Metal Materials and Engineering,2018,47(4):1254~1260.]
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  • 收稿日期:2016-04-06
  • 最后修改日期:2016-04-18
  • 錄用日期:2016-04-26
  • 在線發(fā)布日期: 2018-05-31
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