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1. 昆明理工大学机电工程学院,昆明,650093
2. 钢铁研究总院结构材料研究所,北京,100081
[ "丑英玉(1983-),男,助理工程师,2004年沈阳理工大学毕业,Ni基高温合金研究。" ]
收稿:2008-11-17,
网络首发:2022-11-25,
纸质出版:2009-11-25
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丑英玉, 程世长, 刘正东, 等. 钛含量对Inconel 690镍基合金力学性能的影响[J]. 特殊钢, 2009,30(3):63-65.
丑英玉, 程世长, 刘正东, et al. Effect of Titanium Content on Mechanical Properties of Nickel Base Alloy Inconel 690[J]. Special Steel, 2009, 30(3): 63-65.
丑英玉, 程世长, 刘正东, 等. 钛含量对Inconel 690镍基合金力学性能的影响[J]. 特殊钢, 2009,30(3):63-65. DOI:
丑英玉, 程世长, 刘正东, et al. Effect of Titanium Content on Mechanical Properties of Nickel Base Alloy Inconel 690[J]. Special Steel, 2009, 30(3): 63-65. DOI:
研究了Ti含量(0.35%~1.10%)对Inconel 690镍基合金(%:0.034~0.036C、29.40~29.68Cr、9.11~9.22Fe、0.34~0.36A1、0.004 4~0.004 5N)950~1 100℃水冷+715℃15~100 h空冷后的室温和350℃的组织和力学性能。结果表明
含1.10%Ti合金的强度(Rm和Rp0.2)较含0.35%~0.70%Ti合金的强度高200~400 MPa
强度提高的主要原因为715℃时效后1.10%Ti合金析出3.70%~3.99%γ′强化相
而0.35%~0.70%Ti合金715℃时效后γ′强化相析出量仅为0~0.53%。
Effect of Ti content (0. 35% ~ 1. 10% ) on structure and mechanical properties at ambient and 350 °C for nickel base alloy Inconel 690 (% : 0. 034 〜0. 036C
29. 40 〜29. 68Cr
9. 11 〜9. 22Fe
0. 34 〜0. 36 Al
0.004 4 〜 0. 004 5N) solid solution treated at 950 〜1 100℃
water quenched and aged at 715 °C for 15 ~ 100 h
air cooled has been studied. Results showed that the strength (R
m
and R
P0.2
) of 1. 10% Ti alloy was by 200 ~ 400 MPa higher than that of 0. 35% 〜0. 70% Ti alloy
the main reason of increasing strength was 3. 70% ~3. 99% γ′ strengthening phase precipitated in 1. 10% Ti allov after aging at 715 °C
while only 0 - 0. 53% γ' strengthening phase precipitated in 0. 35% - 0. 70% Ti alloy after aging at 715°C .
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