Decomposition behavior of titanium hydride treated by surface oxidation

IMR OpenIR

	Decomposition behavior of titanium hydride treated by surface oxidation
其他题名	Decomposition behavior of titanium hydride treated by surface oxidation
	Luo HongJie 1; Lin Hao 2; Chen PeiHong 1; Yao GuangChun 1
	2015
发表期刊	RARE METALS
ISSN	1001-0521
卷号	34 期号:1 页码:28-33
摘要	Titanium hydride attracts more attention as foaming agent in the fabrication of cellular metal materials. In order to meet most aluminum casting alloy's melting properties, the heat treatment processes for TiH2 particles were investigated in a rotating device. In the present work, the most two important dynamic parameters, the treating temperature and oxidation interval, were taken under consideration. The decomposition behavior of titanium hydride was measured by differential scanning calorimetry (DSC) and the residual hydrogen content, morphologies and phase conversion were also characterized by hydrogen determinator, scanning electron microscopy (SEM), and X-ray diffractometer (XRD), respectively. The results show that the effect of temperature on the formation of oxidation film and decomposition behavior of TiH2 is more significant than that of oxidation time. The onset temperature and peak value of TiH2 decomposition shift from left to right through elevating temperature and extending time. Heat treatment process for TiH2 at 500 A degrees C between 1 and 5 h in air is favorable for preparing aluminum foam.
其他摘要	Titanium hydride attracts more attention as foaming agent in the fabrication of cellular metal materials.In order to meet most aluminum casting alloy’s melting properties, the heat treatment processes for TiH_2 particles were investigated in a rotating device. In the present work,the most two important dynamic parameters, the treating temperature and oxidation interval, were taken under consideration. The decomposition behavior of titanium hydride was measured by differential scanning calorimetry(DSC) and the residual hydrogen content, morphologies and phase conversion were also characterized by hydrogen determinator, scanning electron microscopy(SEM), and X-ray diffractometer(XRD), respectively. The results show that the effect of temperature on the formation of oxidation film and decomposition behavior of TiH_2 is more significant than that of oxidation time. The onset temperature and peak value of TiH_2 decomposition shift from left to right through elevating temperature and extending time.Heat treatment process for TiH_2 at 500 °C between 1 and5 h in air is favorable for preparing aluminum foam.
关键词	ALUMINUM FOAM GAS-RELEASE X-RAY AGENT Titanium hydride Oxidation treatment Thermal decomposition Aluminum foam
收录类别	CSCD
语种	英语
资助项目	[National Natural Science Foundation of China] ; [Science and Technology Department of Liaoning Province of China]
CSCD记录号	CSCD:5354392
引用统计	被引频次：1[CSCD] [CSCD记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/154694
专题	中国科学院金属研究所
作者单位	1.上海市地震局 2.中国科学院金属研究所
推荐引用方式 GB/T 7714	Luo HongJie,Lin Hao,Chen PeiHong,et al. Decomposition behavior of titanium hydride treated by surface oxidation[J]. RARE METALS,2015,34(1):28-33.
APA	Luo HongJie,Lin Hao,Chen PeiHong,&Yao GuangChun.(2015).Decomposition behavior of titanium hydride treated by surface oxidation.RARE METALS,34(1),28-33.
MLA	Luo HongJie,et al."Decomposition behavior of titanium hydride treated by surface oxidation".RARE METALS 34.1(2015):28-33.