TiAl＋Nb系中γ到γ1相的有序化转变

王金国; 陈国良; 叶恒强

Volume 2 Issue 1

Mar. 1995

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文章导航 > 矿物冶金与材料学报（英文版） > 1995 > 2(1) : 1-6.

Cite this article as:

WANG JINGUO, CHEN GUOLIANG, and YE HENGQIANG, ORDERING TRANSFORMATION OF γ TO γ₁ IN TiAl+Nb SYSTEM, J. Univ. Sci. Technol. Beijing , 2(1995), No. 1, pp.1-6.

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TiAl＋Nb系中γ到γ₁相的有序化转变

王金国^1,2),
陈国良¹⁾,
叶恒强²⁾

北京科技大学新金属材料国家重点实验室, 北京 100083
中国科学院金属研究所固体原子象实验室, 沈阳 110015

基金项目:

国家自然科学基金资助项目

通信作者:

中图分类号: TG449.4
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- 文章访问数: 305
- HTML全文浏览量: 79
- PDF下载量: 17

中文摘要

利用一系列不同Nb含量的TiAl合金研究了该体系的相关系及组织特征。在含有20at%Nb的合金中发现1个新的γ₁相。在含有11at%Nb的TiAl合金中，由于Nb原子的进一步有序化，在衍射图上出现Ll₀结构的超斑点。在具有过化学计量比Al含量的TiAl合金中，随着合金中Nb含量增加，Nb不断地取代Ti，合金由Ll₀结构转变为进一步有序化的γ₁相，是一个连续有序化过程。并讨论了可能的转变特征。

关键词:

ORDERING TRANSFORMATION OF γ TO γ₁ IN TiAl+Nb SYSTEM

Author Affilications

State Key Laboratory for Advanced Metal Materials, USTB, Bejing 100083, PRC
Laboratory of Atomic Imaging of Solids, Institute of Metal Research, Academia Sinica, Shenyang 110015, PRC

Funds:
This work is partly supported by the National Nature Science Foundation of China (NNSFC) and the National Advanced Materials Committee of China (NAMCC).
Received: 11 September 1994;

Abstract:

A series of TiAl+Nb alloys with various Nb contents has been employed to explore phase relationship and the evolution of microstructure.A new ordered γ derivative (γ₁) has been observed in the alloy containing 20 at% Nb.The additional diffraction spots added to the diffraction pattern of L1₀ (TiAl) structure have been found in the alloy containing Nb up to 11 at% in terms of further ordering.The transformation from L1₀ (TiAl) structure to the further ordering phase,γ₁,is a continuous ordering process with the substitution of Nb atoms for Ti atoms in alloys with over-stoichiometric Al content of TiAl.The possible transformtion characterzation has been discussed.

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Citing articles(19)

1.	Jiafan Chen, Xu Yuan, Zhenghao Gong, et al. Optimizing corrosion behaviours of an Al–Zn–Mg–Cu alloy through cold rolling and artificial ageing. Journal of Materials Science, 2024. 必应学术
2.	Yue Xiao, Aohua Guo, Huijie Cui, et al. Microstructure evolution, mechanical response, and corrosion resistance for a 2195 Al-Li alloy under different rolling reductions during cryorolling. Journal of Alloys and Compounds, 2024, 997: 174973. 必应学术
3.	Ergen Liu, Qinglin Pan, Bing Liu, et al. Microstructure Evolution of the Near-Surface Deformed Layer and Corrosion Behavior of Hot Rolled AA7050 Aluminum Alloy. Materials, 2023, 16(13): 4632. 必应学术
4.	Tian-Shu Liu, Bai-Xin Dong, Hong-Yu Yang, et al. Review on role of intermetallic and ceramic particles in recrystallization driving force and microstructure of wrought Al alloys. Journal of Materials Research and Technology, 2023, 27: 3374. 必应学术
5.	Temitope Olumide Olugbade. Review: Corrosion Resistance Performance of Severely Plastic Deformed Aluminium Based Alloys via Different Processing Routes. Metals and Materials International, 2023, 29(9): 2415. 必应学术
6.	Marjan Rezaei, Hamed Jamshidi Aval. The effect of friction stir-back extrusion speed on Al-Cu-Mg-Li alloy microstructure and corrosion behaviour. Canadian Metallurgical Quarterly, 2023. 必应学术
7.	Hanqing Xiong, Yuexin Zhou, Peng Yang, et al. Effects of cryorolling, room temperature rolling and aging treatment on mechanical and corrosion properties of 7050 aluminum alloy. Materials Science and Engineering: A, 2022, 853: 143764. 必应学术
8.	Hanqing Xiong, Yuexin Zhou, Charlie Kong, et al. Effect of retrogression treatment with different heating rates on microstructure, strength and corrosion behaviors of 7050 alloy. Materials Characterization, 2022, 186: 111819. 必应学术
9.	Qianwen Ran, Hong Yan, Jiajia He, et al. Effect of TiO2@Carbon Nanotubes and Praseodymium on the Microhardness and Corrosion Properties of AZ91 Alloy. Metals and Materials International, 2022, 28(8): 2012. 必应学术
10.	Xianjie Zhou, Hanqing Xiong. Corrosion behavior of Al-Ce alloys in 3.5%NaCl solution. International Journal of Electrochemical Science, 2022, 17(1): 220137. 必应学术
11.	Hanqing Xiong, Lihong Su, Charlie Kong, et al. Development of High Performance of Al Alloys via Cryo‐Forming: A Review. Advanced Engineering Materials, 2021, 23(6) 必应学术
12.	Zhuo Fu, Hanqing Xiong, Guofeng Li, et al. Effect of Solution Temperature on Corrosion Behavior of 7050 Alloy after Heat Treatment in 3.5% NaCl Solution. International Journal of Electrochemical Science, 2021, 16(9): 210939. 必应学术
13.	Reza Pourhamid, Ali Shirazi. Microstructural evolution and mechanical behaviors of equal channel angular pressed copper. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2020, 234(1): 171. 必应学术
14.	N M Anas, T E Abioye, A S Anasyida, et al. Microstructure, mechanical and corrosion properties of cryorolled-AA5052 at various solution treatment temperatures. Materials Research Express, 2020, 7(1): 016535. 必应学术
15.	S. Vigneshwaran, K. Sivaprasad, R. Narayanasamy, et al. Superior Strength with Enhanced Fracture Resistance of Al-Mg-Sc Alloy Through Two-Step Cryo Cross Rolling. Metallurgical and Materials Transactions A, 2019, 50(7): 3265. 必应学术
16.	GuangWei Zhao, Jian Chen, Chong Ding, et al. Influence of the Composition on the Solidification Path, Microstructure Evolution and Mechanical Properties of Al-Cu-Mg Alloys. Journal of Materials Engineering and Performance, 2019, 28(11): 6980. 必应学术
17.	Ying Yan, Li-jia Chen, Guo-qiang Zhang, et al. Variation of the uniaxial tensile behavior of ultrafine-grained pure aluminum after cyclic pre-deformation. International Journal of Minerals, Metallurgy, and Materials, 2018, 25(6): 663. 必应学术
18.	C.Y. Cui, X.D. Li, C. Fang, et al. Effects of Marangoni convection on the embedding dynamic behavior of SiC nano-particles into the Al molten pool during laser micro-melting. Materials & Design, 2018, 143: 256. 必应学术
19.	S. Krymskiy, E. Avtokratova, O. Sitdikov, et al. Electrochemical corrosion of cryorolled and aged aluminum alloy. PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2019, 必应学术

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Ergen Liu, Qinglin Pan, Bing Liu, et al. Microstructure Evolution of the Near-Surface Deformed Layer and Corrosion Behavior of Hot Rolled AA7050 Aluminum Alloy. Materials, 2023, 16(13): 4632. 必应学术
Tian-Shu Liu, Bai-Xin Dong, Hong-Yu Yang, et al. Review on role of intermetallic and ceramic particles in recrystallization driving force and microstructure of wrought Al alloys. Journal of Materials Research and Technology, 2023, 27: 3374. 必应学术
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S. Vigneshwaran, K. Sivaprasad, R. Narayanasamy, et al. Superior Strength with Enhanced Fracture Resistance of Al-Mg-Sc Alloy Through Two-Step Cryo Cross Rolling. Metallurgical and Materials Transactions A, 2019, 50(7): 3265. 必应学术
GuangWei Zhao, Jian Chen, Chong Ding, et al. Influence of the Composition on the Solidification Path, Microstructure Evolution and Mechanical Properties of Al-Cu-Mg Alloys. Journal of Materials Engineering and Performance, 2019, 28(11): 6980. 必应学术
Ying Yan, Li-jia Chen, Guo-qiang Zhang, et al. Variation of the uniaxial tensile behavior of ultrafine-grained pure aluminum after cyclic pre-deformation. International Journal of Minerals, Metallurgy, and Materials, 2018, 25(6): 663. 必应学术
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