石油化工高等学校学报

石油化工高等学校学报 ›› 2015, Vol. 28 ›› Issue (1): 31-35.DOI: 10.3969/j.issn.1006-396X.2015.01.007

• 石油化工 • 上一篇    下一篇

金属基钯复合膜相扩散研究

吴见洋王青宁张栋强李 博   

  1. ( 兰州理工大学石油化工学院, 甘肃兰州7 1 0 0 5 0)
  • 收稿日期:2014-06-08 修回日期:2014-10-20 出版日期:2015-02-25 发布日期:2015-03-03
  • 通讯作者: 张栋强( 1 9 8 1 - ) , 男, 博士, 副教授, 从事陶瓷及金属膜的制备及应用研究; E - m a i l : z h a n g d q@ l u t . c n。
  • 作者简介:吴见洋( 1 9 8 7 - ) , 男, 硕士研究生, 从事钯复合膜的制备及应用研究; E - m a i l : w u j y 8 3 6 4@s i n a. c o m。
  • 基金资助:
    国家自然科学基金项目( 2 1 2 0 6 0 6 5) ; 兰州理工大学红柳青年教师培养计划资助项目( Q 2 0 1 3 0 4) 。

Study on InterMetallic Diffusion of Palladium/PorousMetal Membranes

  1. (Petrochemical College, Lanzhou University of Technology, Lanzhou Gansu 710050,China)
  • Received:2014-06-08 Revised:2014-10-20 Published:2015-02-25 Online:2015-03-03

摘要: 金属基钯复合膜长期处于高温下会发生金属间相扩散问题, 严重影响复合膜的使用寿命。运用化学 镀的方法, 在不同材料的多孔金属支撑体表面制备钯膜, 然后对钯复合膜进行惰性气体保护下的高温热处理。运用 背散射和能谱线扫描的方法分析、 表征所制备的各种钯复合膜的元素分布状况, 并且将金属基钯复合膜与P d /陶瓷 复合膜相对比, 研究前者的相扩散程度。结果表明, 在测试的温度范围内( 5 0 0~7 0 0℃) , 没有发现P d / T i复合膜、 P d / T i - A l合金复合膜发生相扩散现象, P d / P S S( 多孔不锈钢) 复合膜经历7 0 0℃、 4 0h的高温热处理后发生了严重 的金属间相扩散现象。

关键词: 相扩散, 钯复合膜, 陶瓷, T i - A l合金, 多孔不锈钢

Abstract: Intermetal diffusion phenomenon will happen when metal matrix Pdcomposite membranes are under high temperature for a long time, which will influence the service life of the Pdcomposite membrane. By electroless plating, the palladium membrane on the surface of the porous metal supporter with different materials was prepared. And the Pdcomposite membranewas then heat treatment under high temperature in inert gas. Backscattered Electron Microscopy (BSE) and Energy Dispersive Spectrometer (EDS) crosssectional line scans were used to analysis the elements distribution of various Pdcomposite membranes, and the diffusion level of the metal matrix Pdcomposite membrane was studied by comparing it with the ceramic composite membrane. The results showed that there was no diffusion phenomenon happening to Pd/titanium (Ti) composite membranes and Pd/titaniumaluminum (TiAl) alloy composite membranes in the temperature range of 500 to 700 ℃, while serious intermetal diffusion phenomenon happened when Pd/porousstainlesssteel (PSS) composite membrane was under high temperature heat treatment (700 ℃) for 40

Key words: Intermetallic diffusion,    ,  Pd composite membrane,    ,  Ceramic,    ,  TiAl alloy,   , Porous stainless steel

引用本文

吴见洋, 王青宁, 张栋强, 李 博. 金属基钯复合膜相扩散研究[J]. 石油化工高等学校学报, 2015, 28(1): 31-35.

Wu Jianyang, Wang Qingning, Zhang Dongqiang, Li Bo. Study on InterMetallic Diffusion of Palladium/PorousMetal Membranes[J]. Journal of Petrochemical Universities, 2015, 28(1): 31-35.

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