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熱處理對β鈦合金微弧氧化膜特性的影響
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內(nèi)蒙古工業(yè)大學(xué) 材料科學(xué)與工程學(xué)院,內(nèi)蒙古工業(yè)大學(xué) 材料科學(xué)與工程學(xué)院,內(nèi)蒙古工業(yè)大學(xué) 材料科學(xué)與工程學(xué)院,內(nèi)蒙古工業(yè)大學(xué) 材料科學(xué)與工程學(xué)院,內(nèi)蒙古工業(yè)大學(xué) 材料科學(xué)與工程學(xué)院

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內(nèi)蒙古自治區(qū)自然科學(xué)基金資助(項(xiàng)目號2014MS0543)


Effect of Heat Treatment on Characteristics of Coating Formed on Beta Titanium Alloy by Micro-arc Oxidation
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School of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot,School of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot,School of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot,School of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot,School of Materials Science and Engineering,Inner Mongolia University of Technology,Hohhot

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    摘要:

    通過對Ti-3.5Al-5Mo-6V-3Cr-2Sn-0.5Fe合金進(jìn)行熱處理,研究熱處理工藝對該合金的相組成和電阻率的影響以及對氧化膜的厚度、粗糙度、微觀形貌及相組成的影響。結(jié)果表明,熱處理通過改變Ti-3.5Al-5Mo-6V-3Cr-2Sn-0.5Fe合金的相組成；熱處理后試樣的電阻率小幅降低；經(jīng)850℃固溶熱處理后所獲微弧氧化膜的厚度和粗糙度最小,分別為48.3μm和7.45μm；微弧氧化膜微觀形貌顯示,經(jīng)750℃和850℃固溶熱處理后的試樣,在微弧氧化后,其膜層表面裂紋較少,并且致密；微弧氧化膜主要的組成相為金紅石相TiO2和銳鈦礦相TiO2。

    Abstract:

    The phase composition and resistivity of Ti-3.5Al-5Mo-6V-3Cr-2Sn-0.5Fe alloy undergone with different heat treatment process were studied, and the effects of heat treatment on thickness, roughness, micro morphology and phase composition of micro-arc oxidation coating were analyzed. The results show that the phase composition of Ti-3.5Al-5Mo-6V-3Cr-2Sn-0.5Fe alloy is changed by different heat treatment. The resistivity of alloy is slight decrease after heat treatment. With the solidSsolutionSheat treatment of 850 ℃, the minimum thickness and roughness of the micro-arc oxidation coating is 48.3 μm and 7.45μm which is obtained respectively. By the observation of morphology of oxidation coating, the crack is less and coating is compact with 750 ℃ and 850℃ solid solution heat treatment. XRD analysis shows that micro-arc oxidation coating is composed of anatase TiO2 and rutile TiO2.

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呂凱,杜趙新,劉向東,付俊凇,池波.熱處理對β鈦合金微弧氧化膜特性的影響[J].稀有金屬材料與工程,2016,45(12):3290~3294.[Lv Kai, Du Zhaoxin, Liu Xiangdong, Fu Junsong, Chi Bo. Effect of Heat Treatment on Characteristics of Coating Formed on Beta Titanium Alloy by Micro-arc Oxidation[J]. Rare Metal Materials and Engineering,2016,45(12):3290~3294.]
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  • 收稿日期:2016-01-26
  • 最后修改日期:2016-04-08
  • 錄用日期:2016-04-27
  • 在線發(fā)布日期: 2017-02-06
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