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TiNbZr合金在熱處理過程中的微觀組織和力學(xué)性能
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Characterization of Microstructure and Mechanical Properties of TiNbZr Alloy during Heat Treatment
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    摘要:

    TiNbZr合金由真空自耗電弧爐熔煉。研究了固溶，時(shí)效處理對(duì)該合金的微觀組織和力學(xué)性能的影響。結(jié)果顯示，當(dāng)合金固溶處理1 h后在300和350 oC時(shí)效處理時(shí)，合金的抗拉強(qiáng)度高達(dá)1000 MPa。當(dāng)固溶后的合金在400和450 oC時(shí)效處理時(shí)，出現(xiàn)α相。時(shí)效時(shí)間對(duì)α相的析出有重要的作用。當(dāng)合金在400 oC時(shí)效處理9 h后，抗拉強(qiáng)度為850 MPa，延伸率也保持在11%左右

    Abstract:

    TiNbZr alloy was prepared by vacuum consumable arc melting furnace. The effects of solution and aging heat treatment on the microstructure and mechanical properties of this alloy were studied. The results show that ultimate tensile strength over 1000 MPa can be obtained when the alloy is solutioned for 1 h and then aged at 300 and 350 oC. α phase precipitation appears under the condition of the treatment of solution for 1 h, followed by aging at 400 oC and 450 oC. The aging time plays an important part in α phase precipitation. The ultimate tensile strength increases to 850 MPa and the elongation keeps around 11% when the alloy is aged at 400 ℃ for 9 h

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王立強(qiáng),楊冠軍,楊華斌,曹繼敏,呂維潔,張 荻. TiNbZr合金在熱處理過程中的微觀組織和力學(xué)性能[J].稀有金屬材料與工程,2009,38(7):1136~1140.[Wang Liqiang, Yang Guanjun, Yang Huabin, Cao Jimin, Lü Weijie, Zhang Di. Characterization of Microstructure and Mechanical Properties of TiNbZr Alloy during Heat Treatment[J]. Rare Metal Materials and Engineering,2009,38(7):1136~1140.]
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