Acta Metall Sin  1991, Vol. 27 Issue (1): 102-107    DOI:

Current Issue | Archive | Adv Search |

OXIDATION BEHAVIOUR OF NEW COMPOSITENiAl-TYPE COATINGS MODIFIEDWITH DISPERSED Gd_2O_3

LI Tiefan;MA Xinqing Institute of Corrosion and Protection of Metals; Corrosion Science Laboratory; Academia Sinica; Shenyang

LI Tiefan;MA Xinqing Institute of Corrosion and Protection of Metals; Corrosion Science Laboratory; Academia Sinica; Shenyang. OXIDATION BEHAVIOUR OF NEW COMPOSITENiAl-TYPE COATINGS MODIFIEDWITH DISPERSED Gd_2O_3. Acta Metall Sin, 1991, 27(1): 102-107.

Abstract References Related Articles Recommended Metrics Download:  PDF(1034KB)  Export:  BibTeX | EndNote (RIS)       Abstract  Studies were made of the influences of the nature of Gd_2O_3 and itscontent on the oxidation behaviour in air at 1100℃ of the NiAl-type compositecoatings modified with dispersed Gd_2O_3, which were prepared by co-electrodeposi-tion and diffusion aluminizing techniques. In comparison with Gd_2O_3-free coatings,the oxidation of the modified coating may be remarkably retarded and their scalesadherence to substrate may be much improved. It was revealed that some Gd_2O_3 par-ticles are still dispersed in the coatings, but other sub-microscopical Gd_2O_3 particl-es are accumulated at the coating/substrate interface just after aluminizing. Theaccumulated layer is found as the diffusion barrier. A continuous Gd_2O_3 particlelayer would be more effective to reduce the degradation and to prolong the life ofthe coatings. Key words:  oxidation      dispersed Gd_2O_3      composite coating      diffusion barrier      adherence      Received:  18 January 1991      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1991/V27/I1/102 1 Wang Fuhui, Lou Hanyi, Bai Linxiang, Wu Weitao. Mater Sci Eng, 1989; A121: 387 2 Stringer J, Wilcox B A, Jaffee R I. Oxid Met, 1972; 5(1) : 11 3 Wood G C, Boustead J. Corros Sci, 1968; 8: 719 4 齐藤安俊,铁钢,1979;65: 747 5 Luthra K L. J Vac Sci Technol, 1985; A3: 2574L [1] HUANG Ding, QIAO Yanxin, YANG Lanlan, WANG Jinlong, CHEN Minghui, ZHU Shenglong, WANG Fuhui. Effect of Shot Peening of Substrate Surface on Cyclic Oxidation Behavior of Sputtered Nanocrystalline Coating[J]. 金属学报, 2023, 59(5): 668-678. [2] LIU Laidi, DING Biao, REN Weili, ZHONG Yunbo, WANG Hui, WANG Qiuliang. Multilayer Structure of DZ445 Ni-Based Superalloy Formed by Long Time Oxidation at High Temperature[J]. 金属学报, 2023, 59(3): 387-398. [3] SHEN Zhao, WANG Zhipeng, HU Bo, LI Dejiang, ZENG Xiaoqin, DING Wenjiang. Research Progress on the Mechanisms Controlling High-Temperature Oxidation Resistance of Mg Alloys[J]. 金属学报, 2023, 59(3): 371-386. [4] LI Xin, JIANG He, YAO Zhihao, DONG Jianxin. Theoretical Calculation and Analysis of the Effect of Oxygen Atom on the Grain Boundary of Superalloy Matrices Ni, Co and NiCr[J]. 金属学报, 2023, 59(2): 309-318. [5] XU Wenguo, HAO Wenjiang, LI Yingju, ZHAO Qingbin, LU Bingyu, GUO Heyi, LIU Tianyu, FENG Xiaohui, YANG Yuansheng. Effects of Trace Aluminum and Titanium on High Temper-ature Oxidation Behavior of Inconel 690 Alloy[J]. 金属学报, 2023, 59(12): 1547-1558. [6] JIN Xinyan, CHU Shuangjie, PENG Jun, HU Guangkui. Effect of Dew Point on Selective Oxidation and Decarburization of 0.2%C-1.5%Si-2.5%Mn High Strength Steel Sheet During Continuous Annealing[J]. 金属学报, 2023, 59(10): 1324-1334. [7] HU Min, ZHOU Shengyu, GUO Jingyuan, HU Minghao, LI Chong, LI Huijun, WANG Zumin, LIU Yongchang. Oxidation Behavior of Micro-Regions in Multiphase Ni3Al-Based Superalloys[J]. 金属学报, 2023, 59(10): 1346-1354. [8] CONG Hongda, WANG Jinlong, WANG Cheng, NING Shen, GAO Ruoheng, DU Yao, CHEN Minghui, ZHU Shenglong, WANG Fuhui. A New Design Inorganic Silicate Composite Coating and Its Oxidation Behavior at High Temperature in Steam Atmosphere[J]. 金属学报, 2022, 58(8): 1083-1092. [9] XIE Leipeng, SUN Wenyao, CHEN Minghui, WANG Jinlong, WANG Fuhui. Effects of Processing on Microstructures and Properties of FGH4097 Superalloy[J]. 金属学报, 2022, 58(8): 992-1002. [10] ZHAO Xiaofeng, LI Ling, ZHANG Han, LU Jie. Research Progress in High-Entropy Alloy Bond Coat Material for Thermal Barrier Coatings[J]. 金属学报, 2022, 58(4): 503-512. [11] SU Kaixin, ZHANG Jiwang, ZHANG Yanbin, YAN Tao, LI Hang, JI Dongdong. High-Cycle Fatigue Properties and Residual Stress Relaxation Mechanism of Micro-Arc Oxidation 6082-T6 Aluminum Alloy[J]. 金属学报, 2022, 58(3): 334-344. [12] PENG Jun, JIN Xinyan, ZHONG Yong, WANG Li. Influence of Substrate Surface Structure on the Galvanizability of Fe-16Mn-0.7C-1.5Al TWIP Steel Sheet[J]. 金属学报, 2022, 58(12): 1600-1610. [13] LI Wenya, ZHANG Zhengmao, XU Yaxin, SONG Zhiguo, YIN Shuo. Research Progress of Cold Sprayed Ni and Ni-Based Composite Coatings: A Review[J]. 金属学报, 2022, 58(1): 1-16. [14] CAO Chao, JIANG Chengyang, LU Jintao, CHEN Minghui, GENG Shujiang, WANG Fuhui. Corrosion Behavior of Austenitic Stainless Steel with Different Cr Contents in 700oC Coal Ash/High Sulfur Flue-Gas Environment[J]. 金属学报, 2022, 58(1): 67-74. [15] WANG Wenquan, DU Ming, ZHANG Xinge, GENG Mingzhang. Microstructure and Tribological Properties of WC-Ni Matrix Cermet Coatings Prepared by Electrospark Deposition on H13 Steel Substrate[J]. 金属学报, 2021, 57(8): 1048-1056. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed