Acta Metall Sin  1997, Vol. 33 Issue (10): 1028-1034    DOI:

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THE EFFECT OF Cr ON OXIDATI0N BEHAVIOR OF TiAl INTERMETALLICS

TANG Zhaolin; WANG Fuhui; WU Weitao (State Key Laboratory for Corrosion and Protection; Institute of Corrosion and Protection ofMetals; Chinese academy of Sciences. Shenyang 110015)

TANG Zhaolin; WANG Fuhui; WU Weitao (State Key Laboratory for Corrosion and Protection; Institute of Corrosion and Protection ofMetals; Chinese academy of Sciences. Shenyang 110015). THE EFFECT OF Cr ON OXIDATI0N BEHAVIOR OF TiAl INTERMETALLICS. Acta Metall Sin, 1997, 33(10): 1028-1034.

Abstract References Related Articles Recommended Metrics Download:  PDF(3912KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The oxidation behavior of Ti-50al, Ti-45al-10Cr and Ti-50al- 10Cr (atomic fraction, %) alloys at 800-1100℃ was investigated. at 800 and 900℃, Ti-45al-10Cr alloy formed a similar layered scale with Tial, consisting of an outer layer of TiO2, an intermediate al2O3 barrier and an inner layer of a mixture of al2O3 and TiO2, exhibited larger weight gains than Ti-50al due to the dopping effect of Cr. at 1000 and 1100℃, however,Ti-45al-10Cr alloy formed a continuous al2O3 enriched scale, which had much smaller weight gains than Tial alloy. Moreover, Ti-50al- 10Cr alloy exhibited an excellent oxidation resistance at 80O-1100℃ due to the formation of a protective al2O3 scale. Key words:  Tial intermetallics      high-temperature oxidation      chromium      Received:  18 October 1997      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/Y1997/V33/I10/1028 1 Shida Y, anada H. Corr Sci, 1993; 35: 945 2 Mckee D W, Huang S C. Corr Sci, 1992; 33: 1899 3 McCarron R L, Schaeffer J C, Meier G H, Berztiss D, Perkin R a, Cullinan J In: Froes F H,Caplan I eds,Titanium'92 Sci.and Technol,The Minerals,Metals Matenals Society,1993: 4 Wang F,Lou H,Wu W.Oxid Met;1995;43:395 5 Perkins R a Chiang K T,Meier G H Scr Metall,1987;21:1505 6 Luhtra K L.Oxid Met,1991;36:475 7 Rahmel a Spencer PJ.Oxid Met,1991;35:53 8 Shida Y, anada H. Maler Trans JIM, 1993; 34:236 [1] 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. [2] 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. [3] WANG Guiqin,WANG Qin,CHE Honglong,LI Yajun,LEI Mingkai. Effects of Silicon on the Microstructure and Propertiesof Cast Duplex Stainless Steel with Ultra-HighChromium and High Carbon[J]. 金属学报, 2020, 56(3): 278-290. [4] Lin GENG, Hao WU, Xiping CUI, Guohua FAN. Recent Progress on the Fabrication of TiAl-Based Composites Sheet by Reaction Annealingof Elemental Foils[J]. 金属学报, 2018, 54(11): 1625-1636. [5] Li ZHOU,Chao CUI,Qing JIA,Yingshi MA. Experimental and Finite Element Simulation of Milling Process for γ-TiAl Intermetallics[J]. 金属学报, 2017, 53(4): 505-512. [6] Hongxi LIU,Zhengxue LI,Xiaowei ZHANG,Jun TAN,Yehua JIANG. Effect of Heat Treatment on High-Temperature Oxidation Resistance of High Niobium Ti-Al Intermetallic Coating Fabricated by Laser In Situ Synthesis on Titanium Alloy[J]. 金属学报, 2017, 53(2): 201-210. [7] Yingche MA,Shuo LI,Xianchao HAO,Xiangdong ZHA,Ming GAO,Kui LIU. RESEARCH ON THE CARBIDE PRECIPITATION AND CHROMIUM DEPLETION IN THE GRAIN BOUNDARY OF ALLOY 690 CONTAINING DIFFERENT CONTENTS OF NITROGEN[J]. 金属学报, 2016, 52(8): 980-986. [8] LUO Lei, SHEN Yifu, LI Bo, HU Weiye. PREPARATION AND OXIDATION BEHAVIOR OF ALUMINIZED COATING ON TC4 TITANIUM ALLOY VIA FRICTION STIR LAP WELDING METHOD[J]. 金属学报, 2013, 49(8): 996-1002. [9] PENG Yingbo, CHEN Feng, WANG Minzhi, SU Xiang, CHEN Guang. RELATIONSHIP BETWEEN MECHANICAL PROPERTIES AND LAMELLAR ORIENTATION OF PST CRYSTALS IN Ti－45Al－8Nb ALLOY[J]. 金属学报, 2013, 49(11): 1457-1461. [10] WEI Xin, DONG Junhua, TONG Jian, ZHENG Zhi,KE Wei. INFLUENCE OF TEMPERATURE ON PITTING CORROSION RESISTANCE OF Cr26Mo1 ULTRA PURE HIGH CHROMIUM FERRITE STAINLESS STEEL IN 3.5%NaCl SOLUTION[J]. 金属学报, 2012, 48(4): 502-507. [11] XIAO Xuan XU Hui QIN Xuezhi GUO Yongan GUO Jianting ZHOU Lanzhang. THERMAL FATIGUE BEHAVIORS OF THREE CAST NICKEL BASE SUPERALLOYS[J]. 金属学报, 2011, 47(9): 1129-1134. [12] QIU Jun ZHAO Wenjin Thomas Guilbert Jean-Luc Bechade. HIGH TEMPERATURE OXIDATION BEHAVIOURS OF THREE ZIRCONIUM ALLOYS[J]. 金属学报, 2011, 47(9): 1216-1220. [13] LI Hui XIA Shuang ZHOU Bangxin PENG Jianchao. STUDY OF CARBIDE PRECIPITATION AT GRAIN BOUNDARY IN NICKEL BASE ALLOY 690[J]. 金属学报, 2011, 47(7): 853-858. [14] SUN Jianbo LIU Wei CHANG Wei ZHANG Zhonghua LI Zhongtao YU Tian LU Minxu. CHARACTERISTICS AND FORMATION MECHANISM OF CORROSION SCALES ON LOW--CHROMIUM X65 STEELS IN CO2 ENVIRONMENT[J]. 金属学报, 2009, 45(1): 84-90. [15] LI Shangping LUO Heli CAO Xu ZHANG Xi'e FENG Di. MICROSTRUCTURE OF PILE-UP WELDING CHROMIUM CARBIDE/Ni3 Al COMPOSITE CLADDING ON DZ125 ALLOY[J]. 金属学报, 2008, 44(12): 1450-1454. No Suggested Reading articles found! Viewed Full text Abstract Cited   Shared      Discussed