Enhanced oxidation resistance of MoTaTiCrAl high entropy alloys by removal of Al

doi:10.1007/s40843-020-1332-2

CORC > 宁波材料技术与工程研究所 > 中国科学院宁波材料技术与工程研究所 > 2020专题

	Enhanced oxidation resistance of MoTaTiCrAl high entropy alloys by removal of Al
	Li, Li-Chao ; Li, Min-Xing ; Liu, Ming ; Sun, Bo-Yang ; Wang, Chao ; Huo, Jun-Tao ; Wang, Wei-Hua ; Liu, Yan-Hui
刊名	SCIENCE CHINA-MATERIALS
	2020
关键词	HIGH-TEMPERATURE OXIDATION BEHAVIOR MOLYBDENUM
DOI	10.1007/s40843-020-1332-2
英文摘要	Refractory high-entropy alloys (HEAs) exhibit remarkable mechanical properties desired for high-temperature applications. However, their oxidation resistance at high temperatures received less attention. Recent work indicates that MoTaTiCrAl alloy exhibits excellent oxidation resistance, but the effects of Al and Cr remain unclear. In this work, we demonstrate that the addition of Al is unnecessary for preventing oxidation of the MoTaTiCrAl alloy and the removal of Al leads to a more oxidation resistant MoTaTiCr medium entropy alloy. Structural and chemical analyses indicate that the excellent oxidation resistance of MoTaTiCr is mainly associated with the formation of continuous CrTaO(4)oxide layer. The results indicate that complex oxides can be adopted as effective candidates for enhancement of oxidation resistance, in addition to typical strategy of forming Al2O3, Cr(2)O(3)or SiO(2)barrier layer.
学科主题	Materials Science
内容类型	期刊论文
源URL	[http://ir.nimte.ac.cn/handle/174433/20743]
专题	2020专题
作者单位	1.Liu, YH (corresponding author), Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China. 2.Liu, YH (corresponding author), Songshan Lake Mat Lab, Dongguan 523808, Peoples R China. 3.Liu, YH (corresponding author), Univ Sci & Technol Beijing, Beijing Adv Innovat Ctr Mat Genome Engn, Beijing 100083, Peoples R China. 4.Liu, YH (corresponding author), Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China.
推荐引用方式 GB/T 7714	Li, Li-Chao,Li, Min-Xing,Liu, Ming,et al. Enhanced oxidation resistance of MoTaTiCrAl high entropy alloys by removal of Al[J]. SCIENCE CHINA-MATERIALS,2020.
APA	Li, Li-Chao.,Li, Min-Xing.,Liu, Ming.,Sun, Bo-Yang.,Wang, Chao.,...&Liu, Yan-Hui.(2020).Enhanced oxidation resistance of MoTaTiCrAl high entropy alloys by removal of Al.SCIENCE CHINA-MATERIALS.
MLA	Li, Li-Chao,et al."Enhanced oxidation resistance of MoTaTiCrAl high entropy alloys by removal of Al".SCIENCE CHINA-MATERIALS (2020).