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鈦合金表面Ti/TiB2仿生多層膜的斷裂韌性研究
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淮陰工學院,淮陰工學院,淮陰工學院,淮陰工學院,淮陰工學院,淮陰工學院

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中圖分類號:

TG113.25; TG174.444

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國家自然科學基金資助（項目號51175212）; 江蘇省介入醫(yī)療器械研究重點實驗室開放基金(JR1206)


Fracture toughness of Ti/TiB2 bionic multilayers on the surface of titanium alloy
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Huaiyin Institute of Technology,Huaiyin Institute of Technology,Huaiyin Institute of Technology,Huaiyin Institute of Technology,Huaiyin Institute of Technology,Huaiyin Institute of Technology

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    摘要:

    根據(jù)貝殼珍珠層的結(jié)構(gòu)特點，以金屬Ti層為軟質(zhì)層，對TiB2陶瓷薄膜進行仿生增韌處理，并通過壓痕法研究了Ti/TiB2仿生多層膜的斷裂韌性。研究結(jié)果表明：隨著調(diào)制比(Λ, tTiB2:tTi)的增大，多層膜的斷裂韌性先增大而后減小，當Λ為5時，多層膜的斷裂韌度達到最大值(KIC=2.68 MPa

    Abstract:

    To enhance the fracture toughness of TiB2 ceramic film, Ti/TiB2 bionic multilayers was formed by intervention of period Ti layer which was abstracted into a soft layer according to the structural characteristics of nacre. The improved indentation method was proposed to characterize the fracture toughness (KIC) of the Ti/TiB2 bionic multilayers. The results show that the KIC of the multilayers strongly depends on the modulation ratios (Λ, the ratio of TiB2 to Ti thickness, is denoted tTiB2:tTi) and modulation period (T). With the increase of modulation ratio, the KIC of the multilayers increases first and gets a maximum of2.68 MPa

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周廣宏,丁紅燕,印鳳,王湘鳴,莊國志,夏木建.鈦合金表面Ti/TiB2仿生多層膜的斷裂韌性研究[J].稀有金屬材料與工程,2016,45(9):2297~2302.[Zhou Guang-hong, DING Hong-yan, Yin Feng, Wang Xiangming, Zhuang Guozhi, Xia Mujian. Fracture toughness of Ti/TiB2 bionic multilayers on the surface of titanium alloy[J]. Rare Metal Materials and Engineering,2016,45(9):2297~2302.]
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  • 收稿日期:2014-07-25
  • 最后修改日期:2014-12-26
  • 錄用日期:2015-02-06
  • 在線發(fā)布日期: 2016-10-09
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