全部文献期刊会议图书|学者科研项目
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作者:Lehua Qi , Hao Yi ...
来源:[J].Robotics and Computer-Integrated Manufacturing(IF 1.23), 2020, Vol.63
摘要:Abstract(#br)Droplet-based 3D printing is a promising method to manufacture thin-walled parts with high-quality cavity surfaces of a complex geometry by virtue of dissolvable supports. However, conventional equispaced droplet scanning strategies cannot be used for dissolvabl...
作者:Lehua Qi , Jun Luo ...
来源:[J].International Journal of Machine Tools and Manufacture(IF 2.262), 2020, Vol.148
摘要:Abstract(#br)Droplet-based 3D printing is a promising technique for metal forming in space, owing to the advantages of dispensing without large-scale energy equipment or customized materials. However, the extreme environment in space, for example microgravity, would change the pr...
作者:Lehua Qi , Wenlong Tian ...
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2020, Vol.820
摘要:Abstract(#br)An eight-node zero-thickness element is developed to numerically model the interfacial fracture behaviors of carbon fibers reinforced pyrocarbon (C/C) composites. The constitutive parameters of the developed element are characterised on the basis of the DCB test and ...
作者:... Le Zhou , Yewei Fu , Lehua Qi
来源:[J].Tribology International(IF 1.536), 2020, Vol.142
摘要:Abstract(#br)In this work, fluorine rubber micro powder (FMP) was successfully introduced into boron phenolic resin (BPF)-based composites, forming FMP/BPF double-component matrix. The results showed FMPs led to the change of fracture mode and resisted permanent deformation ...
作者:Lehua Qi , Wenlong Tian ...
来源:[J].Composite Structures(IF 2.231), 2020, Vol.235
摘要:Abstract(#br)This paper investigates the feasibility of using porous pyrolytic carbon (PyC) to produce low thermal expansion (CTE) carbon/carbon composites by using a multi-scale representative volume element (RVE) based on a finite element (FE) homogenisation strategy. The ...
作者:... M.W. Fu , Lehua Qi , Haihui Ruan
来源:[J].International Journal of Heat and Mass Transfer(IF 2.315), 2020, Vol.148
摘要:Abstract(#br)For the accurate prediction of the Effective Thermal Conductivities (ETCs) of the Multi-Oriented Inclusions Reinforced Composites (MOIRCs) with imperfect interfaces, i.e., Weakly Conducting (WC) or Highly Conducting (HC) interfaces, this work develops a two-step...
作者:Lehua Qi , Jun Luo ...
来源:[J].Applied Surface Science(IF 2.112), 2020, Vol.499
摘要:Abstract(#br)The droplet-based patterning of graphene is extremely intriguing and essential for the construction of graphene patterns and their applications in electronic devices. Unfortunately, the fabrication of complete and significant graphene micro-rings still faces con...
作者:Lehua Qi , Shaolin Li ...
来源:[J].Composite Structures(IF 2.231), 2019, Vol.209, pp.328-336
摘要:Abstract(#br)For a thorough understanding of strengthening of carbon fiber reinforced magnesium matrix composites (C f /Mg composites), all the issues affecting strengthening, including interface, fibers and matrix, are comprehensively analyzed. C f /Mg composites with different ...
作者:Lehua Qi , Luyan Ju ...
来源:[J].Journal of Alloys and Compounds(IF 2.39), 2017, Vol.721, pp.55-63
摘要:Abstract(#br)Liquid-solid extrusion following vacuum pressure infiltration (LSEVI) technique is a new technology, which is suitable for the fabrication of carbon fiber reinforced magnesium composite (C f /Mg composite). This work details an experimental investigation on understan...
作者:Lehua Qi , Xujiang Chao ...
来源:[J].Composites Science and Technology(IF 3.328), 2018, Vol.159, pp.142-151
摘要:Abstract(#br)For investigating the effect of the irregular pores on transverse elastic properties of the unidirectional Carbon/Carbon (C/C) composites, a new strategy is proposed to generate the representative volume element (RVE) on the basis of scanning electron microscope...

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