Acta Metallurgica Sinica (English Letters) ›› 2019, Vol. 32 ›› Issue (6): 764-770.DOI: 10.1007/s40195-018-0839-9
Special Issue: 2018-2019高温合金专辑
• Orginal Article • Previous Articles Next Articles
Li Ye-Fan1, Li Chong1(), Wu Jing1, Li Hui-Jun1, Liu Yong-Chang1(), Wang Hai-Peng2
Received:
2018-07-23
Revised:
2018-08-30
Online:
2019-06-10
Published:
2019-06-17
Supported by:
Li Ye-Fan, Li Chong, Wu Jing, Li Hui-Jun, Liu Yong-Chang, Wang Hai-Peng. Microstructural Feature and Evolution of Rapidly Solidified Ni3Al-Based Superalloys[J]. Acta Metallurgica Sinica (English Letters), 2019, 32(6): 764-770.
Add to citation manager EndNote|Ris|BibTeX
Al | Cr | Mo | W | C | Si | Hf | B | Mn | Ti | Fe | Ni |
---|---|---|---|---|---|---|---|---|---|---|---|
7.6-8.5 | 7.4-8.2 | 3.5-5.5 | 1.5-2.5 | 0.06-0.2 | < 0.5 | 0.3-0.9 | < 0.05 | < 0.5 | 0.6-1.2 | < 2 | Bal. |
Table 1 Chemical composition of Ni3Al-based superalloy (wt%)
Al | Cr | Mo | W | C | Si | Hf | B | Mn | Ti | Fe | Ni |
---|---|---|---|---|---|---|---|---|---|---|---|
7.6-8.5 | 7.4-8.2 | 3.5-5.5 | 1.5-2.5 | 0.06-0.2 | < 0.5 | 0.3-0.9 | < 0.05 | < 0.5 | 0.6-1.2 | < 2 | Bal. |
Fig. 4 Images of eutectic structures extracted by ImageJ software: aD = 1300 μm (Rc = 3.9 × 102 K s-1), bD = 1000 μm (Rc = 5.2 × 102 K s-1), cD = 700 μm (Rc = 7.7 × 102 K s-1), dD = 270 μm (Rc = 2.3 × 103 K s-1)
Fig. 6 Morphology of γ′ particles (precipitating from dendritic γ solid solution) of the droplet sample with different diameters: a 1000 μm (Rc = 5.2 × 102 K s-1), b 700 μm (Rc = 7.7 × 102 K s-1)
Fig. 7 a TEM micrograph of γ′ particles in the droplet sample with diameter of 1000 μm (Rc = 5.2 × 102 K s-1), b corresponding SAED pattern showing the γ matrix, γ′ precipitates of the alloys. Z = [001]
Fig. 8 a DSC heating curves obtained from as-cast alloy and droplet sample (D = 1000 μm, Rc = 5.2 × 102 K s-1), b enlarged areas A1, A2 in Fig. 8a, cγ′ precipitation rate (df/dt) as function of temperature (T)
|
[1] | Chun-Hua Ma, Fu-Sheng Pan, Ding-Fei Zhang, Ai-Tao Tang, Zhi-Wen Lu. Effects of Sb Addition on Microstructural Evolution and Mechanical Properties of Mg-9Al-5Sn Alloy [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(2): 278-288. |
[2] | Zongye Ding, Naifang Zhang, Liao Yu, Wenquan Lu, Jianguo Li, Qiaodan Hu. Recent Progress in Metallurgical Bonding Mechanisms at the Liquid/Solid Interface of Dissimilar Metals Investigated via in situ X-ray Imaging Technologies [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(2): 145-168. |
[3] | L. B. Tong, J. H. Chu, D. N. Zou, Q. Sun, S. Kamado, H. G. Brokmeier, M. Y. Zheng. Simultaneously Enhanced Mechanical Properties and Damping Capacities of ZK60 Mg Alloys Processed by Multi-Directional Forging [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(2): 265-277. |
[4] | Xi Zhao, Fa-Fa Yan, Zhi-Min Zhang, Peng-Cheng Gao, Shu-Chang Li. Influence of Heat Treatment on Precipitation Behavior and Mechanical Properties of Extruded AZ80 Magnesium Alloy [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(1): 54-64. |
[5] | Meichen Liang, Hao Zhang, Lifeng Zhang, Peng Xue, Dingrui Ni, Weizhen Wang, Zongyi Ma, Hengqiang Ye, Zhiqing Yang. Evolution of Quasicrystals and Long-Period Stacking Ordered Structures During Severe Plastic Deformation and Mixing of Dissimilar Mg Alloys Upon Friction Stir Welding [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(1): 12-24. |
[6] | Jinglin Liu, Qi Song, Lihui Song, Shude Ji, Mingshen Li, Zhen Jia, Kang Yang. A Novel Friction Stir Spot Riveting of Al/Cu Dissimilar Materials [J]. Acta Metallurgica Sinica (English Letters), 2021, 34(1): 135-144. |
[7] | Chao-Yue Zhao, Xian-Hua Chen, Peng Peng, Teng Tu, Andrej Atrens, Fu-Sheng Pan. Microstructures and Mechanical Properties of Mg-xAl-1Sn-0.3Mn (x = 1, 3, 5) Alloy Sheets [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(9): 1217-1225. |
[8] | Guohua Wu, Chunchang Shi, Liang Zhang, Wencai Liu, Antao Chen, Wenjiang Ding. Effect of Different Ageing Processes on Microstructure and Mechanical Properties of Cast Al-3Li-2Cu-0.2Zr Alloy [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(9): 1243-1251. |
[9] | Xudong Du, Feng Wang, Zhi Wang, Xingxing Li, Zheng Liu, Pingli Mao. Hot Tearing Susceptibility of AXJ530 Alloy Under Low-Frequency Alternating Magnetic Field [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(9): 1259-1270. |
[10] | Dan-Yang Liu, Jin-Feng Li, Yong-Cheng Lin, Peng-Cheng Ma, Yong-Lai Chen, Xu-Hu Zhang, Rui-Feng Zhang. Cu/Li Ratio on the Microstructure Evolution and Corrosion Behaviors of Al-xCu-yLi-Mg Alloys [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(9): 1201-1216. |
[11] | Yuan Yu, Peiying Shi, Kai Feng, Jiongjie Liu, Jun Cheng, Zhuhui Qiao, Jun Yang, Jinshan Li, Weimin Liu. Effects of Ti and Cu on the Microstructure Evolution of AlCoCrFeNi High-Entropy Alloy During Heat Treatment [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1077-1090. |
[12] | Hui Jiang, Tian-Dang Huang, Chao Su, Hong-Bin Zhang, Kai-Ming Han, Sheng-Xue Qin. Microstructure and Mechanical Behavior of CrFeNi2V0.5Wx (x = 0, 0.25) High-Entropy Alloys [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1117-1123. |
[13] | Ibrahim Ondicho, Bernard Alunda, Dicken Owino, Luke Otieno, Melody Chepkoech. Revealing a Transformation-Induced Plasticity (TRIP) Phenomenon in a Medium-Entropy Alloy [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1159-1165. |
[14] | Qiuxin Nie, Hui Liang, Dongxu Qiao, Zhaoxin Qi, Zhiqiang Cao. Microstructures and Mechanical Properties of Multi-component AlxCrFe2Ni2Mo0.2 High-Entropy Alloys [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1135-1144. |
[15] | Chengbo Yang, Jing Zhang, Meng Li, Xuejian Liu. Soft-Magnetic High-Entropy AlCoFeMnNi Alloys with Dual-Phase Microstructures Induced by Annealing [J]. Acta Metallurgica Sinica (English Letters), 2020, 33(8): 1124-1134. |
Viewed | ||||||
Full text |
|
|||||
Abstract |
|
|||||