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Ti-6Al-4V鈦合金網(wǎng)籃組織與拉伸性能 定量關(guān)系研究
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西北工業(yè)大學(xué),西北工業(yè)大學(xué),西北工業(yè)大學(xué),西北工業(yè)大學(xué),西北有色金屬研究院,西北有色金屬研究院

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TG146.2 3

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教育部博士點(diǎn)基金資助（20116102110015）；國家“973”計劃(2007CB613807)；


Quantitative analysis on microstructure-tensile property relationship for Ti-6Al-4V alloy with basket weave structure
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Northwestern Polytechnical University,Northwestern Polytechnical University,Northwestern Polytechnical University,Northwestern Polytechnical University,Northwest Research Institute of Nonferrous Metals,Northwest Research Institute of Nonferrous Metals

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    摘要:

    建立鈦合金顯微組織-拉伸性能定量關(guān)系對于組織性能的控制及優(yōu)化具有重要意義。本文基于定量金相學(xué)和體視學(xué)原理，利用多元非線性回歸方法建立了Ti-6Al-4V鈦合金網(wǎng)籃組織-拉伸性能定量關(guān)系模型。模型自變量包括片狀α相厚度、片狀α相長寬比，因變量為合金的室溫拉伸性能。經(jīng)驗(yàn)證表明，所建立的多元回歸模型對合金的拉伸性能具有較高的預(yù)測精度，說明模型的構(gòu)建方法是可行的。

    Abstract:

    It is of great value for the control and optimation of titanium alloy''s properties by establishing its microstructure-tensile property relationship. Based on quantitative metallography and Stereology, the quantitative relationship between microstructure and tensile property for Ti-6Al-4V alloy with basket-weave structure is establised using multielement non-linear regression in present paper. In this model, the independent variables including lamellar α phase’s thickness and lamellar α phase’s aspect ratio, and the dependent variables are Ti-6Al-4V alloy’s tensile properties. Results show that the multiple regression model built in present paper can precisely describe the microstructure-tensile property relationship of Ti-6Al-4V alloy with basket-weave structure, which indicates that the mehod of establishing model used in present paper is applicable.

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石曉輝,曾衛(wèi)東,孫宇,韓遠(yuǎn)飛,趙永慶,郭萍. Ti-6Al-4V鈦合金網(wǎng)籃組織與拉伸性能 定量關(guān)系研究[J].稀有金屬材料與工程,2016,45(9):2327~2331.[Shi Xiao Hui, Zeng Wei Dong, Sun Yu, Han Yuan Fei, Zhao Yong Qing, Guo Ping. Quantitative analysis on microstructure-tensile property relationship for Ti-6Al-4V alloy with basket weave structure[J]. Rare Metal Materials and Engineering,2016,45(9):2327~2331.]
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  • 收稿日期:2014-07-21
  • 最后修改日期:2014-08-30
  • 錄用日期:2014-10-30
  • 在線發(fā)布日期: 2016-10-09
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