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TC16鈦合金板材冷軋工藝及組織性能研究
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Research on Volatilization Law of Multi-component Titanium Alloy in Electron Beam Cold Hearth Melting
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    摘要:

    進(jìn)行了TC16鈦合金板材多道次冷軋?jiān)囍?利用光學(xué)顯微鏡、掃描電鏡和X射線衍射等手段研究了變形量對(duì)冷軋板材微觀組織與力學(xué)性能的影響。結(jié)果表明:α+β兩相TC16鈦合金板材冷軋加工是可行的,其極限冷變形量達(dá)到79%,冷軋板材表面無裂紋。大幅度冷軋變形后,TC16鈦合金組織為分布均勻的纖維狀結(jié)構(gòu),且存在極少量未充分變形的α晶粒,并伴有應(yīng)變誘導(dǎo)的α″馬氏體相產(chǎn)生;抗拉強(qiáng)度和顯微硬度均得到較大程度的提高,發(fā)生明顯的冷形變強(qiáng)化。

    Abstract:

    The multi-pass cold-rolled tests of TC16 titanium alloy sheets were produced. The effect of deformation on microstructures and mechanical properties of cold-rolled sheets were studied by optical microscope,scanning electron microscope and X-ray diffraction. The results show that the cold rolling of α + β two-phase TC16 titanium alloy sheets is feasible,and the limit cold deformation can reach 79% without any cracks on the surface. After large-scale cold rolling deformation,the TC16 titanium alloy microstructure becomes a uniformly distributed fibrous structure,and they are few incompletely deformed α grains,accompanied by strain-induced α″ martensitic phase. Meanwhile,the improvement of tensile strength and microhardness,and obvious cold deformation strengthening is obtained.

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劉志強(qiáng);張青來;韓偉東;柏秋生;. TC16鈦合金板材冷軋工藝及組織性能研究[J].鈦工業(yè)進(jìn)展,2021,38(1):20-24.

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  • 在線發(fā)布日期: 2021-03-16
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