| 2650-T8铝合金材料耐热性能的研究进展 |
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| 引用本文： | 王国军,熊柏青,陶志民,李锡武,刘科研. 2650-T8铝合金材料耐热性能的研究进展[J]. 金属功能材料, 2009, 16(3): 73-80 |
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| 作者姓名： | 王国军 熊柏青 陶志民 李锡武 刘科研 |
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| 作者单位： | 北京有色金属研究总院,有色金属材料制备加工国家重点实验室,北京,100088;东北轻合金有限责任公司,黑龙江,哈尔滨,150060;北京有色金属研究总院,有色金属材料制备加工国家重点实验室,北京,100088;东北轻合金有限责任公司,黑龙江,哈尔滨,150060 |
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| 摘 要： | 2650铝合金作为一种新型耐热变形铝合金，主要应用于超音速运输飞机蒙皮。它具有良好的耐热性能，在100～130℃温度范围，150MPa负荷下服役6000h，其变形量不超过0．1％。该材料在国内尚没有公开发表的文献作详细介绍。本文从蠕变及断裂行为、蠕变和热暴露对沉淀强化的影响、热驱动对材料滑移的作用和蠕变物理模型的建立等几个方面，介绍了对2650-T8材料的高温性能方面的研究进展。对耐热铝合金的研究提出了自己的看法和建议。
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| 关 键 词： | 2650铝合金 耐热材料 蠕变行为 热暴露 热驱动 物理模型 |
Recent Development on Resistance to High Temperature of 2650-T8 Aluminum Alloy Material |
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| WANG Guo-jun,XIONG Bai-qing,TAO Zhi-min,LI Xi-wu,LIU Ke-yan. Recent Development on Resistance to High Temperature of 2650-T8 Aluminum Alloy Material[J]. Metallic Functional Materials, 2009, 16(3): 73-80 |
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| Authors: | WANG Guo-jun XIONG Bai-qing TAO Zhi-min LI Xi-wu LIU Ke-yan |
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| Affiliation: | 1.State key Laboratory for Fabrication and Processing of Nonferrous Metals;General Research Institute for Nonferrous Metals;Beijing 100088;China;2.Northeast Light Alloy Co.Ltd.;Harbin 150060;Heilongjiang;China |
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| Abstract: | 2650 aluminum alloy , as a new type of heat-resistant aluminum alloy,is used mainly for the fuselage skin of the future supersonic civil transport aircraft. It exhibits a high resistance to heat and a strong resistance to long- term creep. Exposed to temperatures ranging from 100 to 130 ℃ during the supersonic flying phase, the material does not deform by more than 0.1% under a 150 MPa load during the 60,000 h service life. In this paper, in terms of creep and fracture behavior, effect of thermal exposure or creep on precipitation hardening, recent development on heat resistant property of 2650-T8 aluminum alloy is introduced. At last, the views and suggestions on heat-resistant aluminum alloy research are put forward. |
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| Keywords: | 2650 aluminum alloy heat resistant material creep behavior heat exposure thermal activation physics-based modeling |
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