Crushing behaviour of Li4SiO(4) and Li2TiO3 ceramic particles

doi:10.1016/j.nme.2022.101188

	Crushing behaviour of Li4SiO(4) and Li2TiO3 ceramic particles
	Lei, Mingzhun; Wu, Qigang; Xu, Shuling; Wang, Jian
刊名	NUCLEAR MATERIALS AND ENERGY
	2022-06-01
卷号	31
关键词	Particle behaviour Crushing characteristics Mechanical properties
DOI	10.1016/j.nme.2022.101188
通讯作者	Xu, Shuling(xushuling@ipp.ac.cn)
英文摘要	The crushing behaviour of certain ceramic particles-such as Li4SiO4 and Li2TiO3 have been investigated herein, which are considered to be ideal particles for use in the pebble-bed structure of tritium breeding blankets. For such granular materials, the material properties, fracture and fragmentation evolution, and fracture strength are of primary concern. This paper discusses these parameters and their impacts on the particle properties, taking into account the results from experimentation and numerical simulations. The benchmark tests on these ceramics have reflected the mechanical properties of the relative materials, which can also be used to validate the methodology of the finite element (FE) simulation method. The validated method was then used to simulate the crushing behaviour of the two candidate particles during the compression process. The largest stress appeared at the contact point of the loading plate and increased gradually from the contact point to the centre of the sphere, before final failure. It can clearly be observed from the obtained stress-strain curve that the two particles have three similar stages throughout the compression process, including crack generation, expansion, internal stress release, and breakage. The detailed crack evolution of the two types of particles studied was analysed using the calibrated FE method.
资助项目	National Key R&D Program of China[2017YFE0300604]
WOS关键词	PEBBLE BEDS ; SHAPE ; TESTS ; MODEL ; COMPRESSION ; EVOLUTION ; SANDS ; SIZE
WOS研究方向	Nuclear Science & Technology
语种	英语
出版者	ELSEVIER
WOS记录号	WOS:000800444000002
资助机构	National Key R&D Program of China
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/131065]
专题	中国科学院合肥物质科学研究院
通讯作者	Xu, Shuling
作者单位	Chinese Acad Sci, Inst Plasma Phys, Hefei, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Lei, Mingzhun,Wu, Qigang,Xu, Shuling,et al. Crushing behaviour of Li4SiO(4) and Li2TiO3 ceramic particles[J]. NUCLEAR MATERIALS AND ENERGY,2022,31.
APA	Lei, Mingzhun,Wu, Qigang,Xu, Shuling,&Wang, Jian.(2022).Crushing behaviour of Li4SiO(4) and Li2TiO3 ceramic particles.NUCLEAR MATERIALS AND ENERGY,31.
MLA	Lei, Mingzhun,et al."Crushing behaviour of Li4SiO(4) and Li2TiO3 ceramic particles".NUCLEAR MATERIALS AND ENERGY 31(2022).