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航空用TA18管材加工工藝研究
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Study on Processing Technology of TA18 Titanium Tubes for Aviation
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    摘要:

    通過選用不同成分配比的TA18管材,對其進(jìn)行軋制,在不同變形量、不同退火溫度下,研究其成分、變形量、退火溫度與力性之間的關(guān)系,得出了不同成分與力性的關(guān)系、不同變形量與力性的關(guān)系曲線、不同退火溫度與力性的關(guān)系曲線,發(fā)現(xiàn)其成分中V,Al含量的變化對力性會產(chǎn)生不同的影響,Al對強(qiáng)度的提高和塑性的下降影響較大;當(dāng)化學(xué)成分(質(zhì)量分?jǐn)?shù),%)在一定的范圍(Al: 2.8~3.2,V: 2.30~2.70,O: 0.07~0.09)時,利用基本相同變形量(50%~70%),且變形時Q≤1.14時,采取兩種不同的退火制度(380~580 ℃,650~750 ℃),可以得到滿足現(xiàn)有美標(biāo)及軍標(biāo)標(biāo)準(zhǔn)要求的強(qiáng)度級別的TA18管材

    Abstract:

    According to the deformation processing of TA18 titanium tubes of different compositions, deformation ratios and annealing temperatures, the relations of deformation ratio, annealing temperature, compositions and mechanical properties were studied and their relation curves were drawn. Results show that change of V and Al content has different effects on mechanical properties. Al content can produce a great effect on strength increase and plasticity decrease. When the composition is designed in definite ranges (Al: 2.8 wt%~3.2 wt%, V: 2.30 wt%~2.70 wt%, O: 0.07 wt%~0.09 wt%), Q value is not larger than 1.14 and similar deformation ratio (0%~70%) are confirmed, TA18 titanium tube can reach the strength level of AMS4946B and the military standard under two annealing systems (380~580 °C, 650~750 °C)

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楊亞社,楊永福,羅登超,南 莉,楊建朝.航空用TA18管材加工工藝研究[J].稀有金屬材料與工程,2013,42(3):625~628.[Yang Yashe, Yang Yongfu, Luo Dengchao, Nan Li, Yang Jianchao. Study on Processing Technology of TA18 Titanium Tubes for Aviation[J]. Rare Metal Materials and Engineering,2013,42(3):625~628.]
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  • 收稿日期:2012-12-21
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