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Ti-1300合金室溫變形行為研究
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陜西省重大科技成果轉(zhuǎn)化引導(dǎo)專項(xiàng)（2012KTCG04-04）；陜西省重點(diǎn)科技創(chuàng)新團(tuán)隊(duì)項(xiàng)目（2012KCT-23）


Ambient Temperature Deformation Behavior of Ti-1300 Alloy
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    摘要:

    利用OM和TEM系統(tǒng)研究了Ti-1300合金的室溫變形行為。結(jié)果表明：Ti-1300合金在不同溫度下進(jìn)行固溶處理后進(jìn)行拉伸變形，在應(yīng)力-應(yīng)變曲線上沒有出現(xiàn)雙屈服的現(xiàn)象；Ti-1300合金因含有較多的β穩(wěn)定元素引起β相的穩(wěn)定性增加，在室溫變形機(jī)制主要是位錯(cuò)滑移和孿生；塑性變形過程中位錯(cuò)將產(chǎn)生滑移、纏結(jié)和割階等交互作用，隨著塑性變形量增加10%，Ti-1300合金的顯微硬度約增加210 MPa

    Abstract:

    The deformation behavior of Ti-1300 alloy has been investigated using optical microscope (OM) and transmission electron microscope (TEM) at ambient temperature. The results show that the tensile stress-strain curves of Ti-1300 alloys solution treated at different temperatures don’t present a double yield effect. The Ti-1300 alloy contains a great deal of β stable elements, thus increasing the stability of β phase of this alloy for restraining stress/strain induced transformation. Therefore, the deformation mechanism of Ti-1300 alloy is mainly dislocation slip and twinning at room temperature. With the increase of the plastic deformation of 10%, the micro-hardness of Ti-1300 alloy increases by about 210 MPa. It can be attributed to the dislocation glide, dislocation tangles and their interaction in the plastic deformation process of Ti-1300 alloys

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萬明攀,趙永慶,曾衛(wèi)東,蔡 鋼. Ti-1300合金室溫變形行為研究[J].稀有金屬材料與工程,2015,44(10):2519~2522.[Wan Mingpan, Zhao Yongqing, Zeng Weidong, Cai Gang. Ambient Temperature Deformation Behavior of Ti-1300 Alloy[J]. Rare Metal Materials and Engineering,2015,44(10):2519~2522.]
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  • 收稿日期:2014-12-12
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  • 在線發(fā)布日期: 2016-07-13
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