全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Huiru Xu , Ning Zou , Qizhen Li
来源:[J].JOM(IF 0.986), 2017, Vol.69 (7), pp.1236-1243Springer
摘要:Porous magnesium/carbon nanofiber composites were produced using a powder metallurgic method to study the effect of ball milling time on their microstructure and hardness. Three ball milling times (240 min, 320 min, and 480 min) and two carbon nanofiber concentrations (0.05%...
作者:Qizhen Li , Lihua Wang ...
来源:[J].Scripta Materialia(IF 2.821), 2020, Vol.180, pp.97-102Elsevier
摘要:Abstract(#br)Using our homemade tensile device inside a transmission electron microscope, we in-situ investigated the deformation behaviours of the nano-twinned nanocrystalline Au thin-films with thickness of ~15 nm and average grain size of ~16 nm. Our extensive in-situ observat...
作者:Qizhen Li , Tan Wang
来源:[J].Corrosion Science(IF 3.615), 2019Elsevier
摘要:Abstract(#br)A nickel-based superalloy IN718 was fabricated by laser melting additive manufacturing process and hydrogen embrittlement (HE) behavior of this alloy was assessed via slow strain rate tensile tests. The results reveal that hydrogen-charged as-deposited samples a...
作者:Qizhen Li , Tan Wang
来源:[J].Corrosion Science(IF 3.615), 2019, Vol.160Elsevier
摘要:Abstract(#br)A nickel-based superalloy IN718 was fabricated by laser melting additive manufacturing process and hydrogen embrittlement (HE) behavior of this alloy was assessed via slow strain rate tensile tests. The results reveal that hydrogen-charged as-deposited samples a...
作者:Chin-Shih Hsu , Qizhen Li
来源:[J].Materials Letters(IF 2.224), 2018, Vol.216, pp.299-302Elsevier
摘要:Abstract(#br)This study aims to modify Ti64 surface to improve its potential bioactivity and wear resistance. The polished Ti64 surfaces were hydrothermally treated in urea solutions with or without the subsequent heat treatment. Hydrothermal treatment increases the hydrophilicit...
作者:... Xiaolong Song , Sicong Shen , Qizhen Li
来源:[J].Materials Science & Engineering A(IF 2.108), 2018, Vol.724, pp.518-528Elsevier
摘要:Abstract(#br)The present study was attempted to evaluate the hydrogen embrittlement (HE) of commercial 20SiMn2CrNiMo, PSB1080 and PH13-8Mo high strength steels using slow strain rate tensile tests with smooth cylindrical tensile specimens. The results reveal that three steels exh...
作者:Dewen Hou , Qizhen Li , Haiming Wen
来源:[J].Materials Letters(IF 2.224), 2018, Vol.231, pp.84-86Elsevier
摘要:Abstract(#br)Twinning process involving reversible motion of twin boundaries was examined and quantified in a rolled Mg-3Al-1Zn magnesium alloy compressed along two perpendicular directions. The evolution of twinning is analyzed by quasi in-situ electron backscatter diffract...
作者:... Eiji Akiyama , Yanfei Wang , Qizhen Li
来源:[J].International Journal of Hydrogen Energy(IF 3.548), 2018Elsevier
摘要:Abstract(#br)The microstructural and crystallographic study of hydrogen-assisted cracking in high strength PSB1080 steel was conducted. The results indicate that the mechanical properties of PSB1080 steel are seriously deteriorated in the presence of hydrogen, which is ascri...
作者:... Yanfei Wang , Qizhen Li , Ning Zou
来源:[J].International Journal of Hydrogen Energy(IF 3.548), 2018Elsevier
摘要:Abstract(#br)Hydrogen embrittlement of a nickel-based superalloy IN718 was investigated using slow strain rate tensile tests. Post-mortem observation of fractured samples was performed to explore hydrogen-assisted failure mechanisms of the alloy. The results reveal that hydr...

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