共搜索到13592条信息,每页显示10条信息,共1360页。用时:0小时0分0秒479毫秒
a......
and fracture mechanisms. X-ray diffraction studies indicated fully amorphous alloy structures with lower oxygen contents and partial crystalline structures at higher oxygen levels; however, completely... flow behaviour on stress-strain curves. Key words: bulk metallic glasses; compression test; shear band; X-ray diffraction 1 Introduction Bulk metallic glasses (BMGs) are solid alloys that exhibit......
Investigation on the 773K isothermal section of Ho-Ni-Si ternary phase diagram by X-ray powder diffraction and magnetic property of Ho3NiSi2 alloyXiang Chen1,2,Jixin Gong1,Jiaojiao Luo1,Wenxuan..." name="ChDivSummary">The isothermal section of the Ho-Ni-Si system at 773 K was constructed by X-ray powder diffraction(XRD) in this work.The system contains sixteen known type structure compounds......
Investigation on the 773K isothermal section of Ho-Ni-Si ternary phase diagram by X-ray powder diffraction and magnetic property of Ho3NiSi2 alloyXiang Chen1,2,Jixin Gong1,Jiaojiao Luo1,Wenxuan..." name="ChDivSummary">The isothermal section of the Ho-Ni-Si system at 773 K was constructed by X-ray powder diffraction(XRD) in this work.The system contains sixteen known type structure compounds......
......
of the produced composites. A theoretical model using strengthening mechanisms and some structural parameters extracted from X-ray diffraction is also developed to predict the tensile strength...; accumulative roll bonding; strength prediction; hardness; X-ray diffraction 1 Introduction The increasing of strength accompanied by ductility in engineering components is a continual challenge......
......
Electron Diffraction of La0.27Pr0.4Ca0.33MnO3 with Charge Ordering Phase卢遵铭,赵勇,孟祥熙,董斌,李养贤摘 要:Polycrystalline sample of La0.27Pr0.4Ca0.33MnO3 was synthesized by a conventional solid state reaction. The electron diffraction and dark-field imaging of the finely grinded sample were prepared. X-ray diffraction reveals that the sample is of single phase......
. The crystal properties HoCu2 and its hydrides are measured by X-ray diffraction (XRD) using Cu-Kα radiation. The XRD spectra are obtained by scanning with a step size 4 (°)/min in the range (diffraction angle... from Fig. 2, are shown in Table 1. Fig. 2 X ray diffraction patterns of HoCu2 hydrides at different reaction temperatures (ω-Cu; o-HoCu2; λ-Unknown hydride I; Ф-Unknown hydride II) According......