Thermal shock behavior of Ti3AlC2 from between 200 degrees C and 1300 degrees C

IMR OpenIR

	Thermal shock behavior of Ti3AlC2 from between 200 degrees C and 1300 degrees C
	Y. W. Bao; X. H. Wang; H. B. Zhang; Y. C. Zhou
	2005
发表期刊	Journal of the European Ceramic Society
ISSN	0955-2219
卷号	25 期号:14 页码:3367-3374
摘要	The retained strength and hardness of Ti3AlC2 bars quenched from 200 to 1300 degrees C in air, water and silicon oil were investigated to probe the thermal shock resistance of Ti3AlC2 in various media. The measured retained strength displayed different trends for the samples quenched in various media. For the samples quenched in air, the retained strength showed somewhat enhancement with increase of the temperature difference. For the samples quenched in water, the retained strength exhibited a complex evolution and could be divided into four zones, i.e., (i) no damage zone (20-300 degrees C), (ii) strength degradation zone (300-500 degrees C), (iii) stable strength zone (500-1000 degrees C), and (iv) strength enhancement zone (1000-1300 degrees C). Therefore, the minimum retained strength in the third zone, which is higher than 60% of the initial strength, provided a prediction that the strength loss by thermal shock for Ti3AlC2 should be less than 40%. SEM analysis revealed that an oxide scale of alpha-Al2O3 was formed at high temperature for which the residual stress was calculated. The strength degradation in the second temperature zone was imputed to the weakening of grain boundaries caused by water infiltration, whereas the strength enhancements for the air-quenched samples in the fourth zone was attributed to the formation of oxide scale and the residual compressive stresses in the oxide layer. The damage caused by quenching in oil for this ceramic was demonstrated between that of air and water quenching. Finite element method (FEM) was used to simulate the failure in bending, and the results indicated that the strength of the sample with an oxide scale was about 5-10% higher than that of homogeneous sample. (c) 2004 Elsevier Ltd. All rights reserved.
部门归属	chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china.;zhou, yc (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china;yczhou@imr.ac.cn
关键词	Thermal Shock Retained Strength Ti3alc2 Oxidation Liquid Reaction Synthesis Oxidation Behavior Ceramics Composites Resistance Parameters Strength Carbide Stress Air
URL	查看原文
WOS记录号	WOS:000231581200016
引用统计	被引频次：90[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/34792
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	Y. W. Bao,X. H. Wang,H. B. Zhang,et al. Thermal shock behavior of Ti3AlC2 from between 200 degrees C and 1300 degrees C[J]. Journal of the European Ceramic Society,2005,25(14):3367-3374.
APA	Y. W. Bao,X. H. Wang,H. B. Zhang,&Y. C. Zhou.(2005).Thermal shock behavior of Ti3AlC2 from between 200 degrees C and 1300 degrees C.Journal of the European Ceramic Society,25(14),3367-3374.
MLA	Y. W. Bao,et al."Thermal shock behavior of Ti3AlC2 from between 200 degrees C and 1300 degrees C".Journal of the European Ceramic Society 25.14(2005):3367-3374.