The structure and microstructure of constituent phases in annealed IQC100-xDQCx alloys, made from mixtures of (Al62Cu25.5Fe12.5) icosahedral quasicrystal （IQC） and (Al70Co15Ni15) decagonal quasicrystal （DQC）, were...The structure and microstructure of constituent phases in annealed IQC100-xDQCx alloys, made from mixtures of (Al62Cu25.5Fe12.5) icosahedral quasicrystal （IQC） and (Al70Co15Ni15) decagonal quasicrystal （DQC）, were studied by X-ray diffractometry（XRD）, scanning electron microscopy （SEM）, and energy-dispersive X-ray spectroscopy （EDAX）. These constituent phases are mostly approximants: λ, β and τ3. In addition, an Al-Cu-Co DQC phase is observed in (IQC80DQC20) alloy. The nature of these approximants and their relationship with the quasicrystals（QCs） are discussed; and the evolution of these phases is interpreted by the shifting of their e/a-constant lines in the Al-（Cu, Ni）-（Fe, Co） pseudo-ternary phase diagrams.展开更多
February 13-15, 2023, Sophia Antipolis, France The 9th ETSI/IQC Quantum Safe Cryptography workshop will return to an in-person format at ETSI Headquarters in Sophia Antipolis on February 13-15, 2023.As we increasingly...February 13-15, 2023, Sophia Antipolis, France The 9th ETSI/IQC Quantum Safe Cryptography workshop will return to an in-person format at ETSI Headquarters in Sophia Antipolis on February 13-15, 2023.As we increasingly rely on cyber technologies, we are ever more vulnerable to cyber-attacks. The cybersecurity tools at the center of protecting our business functions, connected devices and information assets from cyber threats rely on cryptographic tools and standards that will be broken by emerging quantum technologies.展开更多
文摘The structure and microstructure of constituent phases in annealed IQC100-xDQCx alloys, made from mixtures of (Al62Cu25.5Fe12.5) icosahedral quasicrystal （IQC） and (Al70Co15Ni15) decagonal quasicrystal （DQC）, were studied by X-ray diffractometry（XRD）, scanning electron microscopy （SEM）, and energy-dispersive X-ray spectroscopy （EDAX）. These constituent phases are mostly approximants: λ, β and τ3. In addition, an Al-Cu-Co DQC phase is observed in (IQC80DQC20) alloy. The nature of these approximants and their relationship with the quasicrystals（QCs） are discussed; and the evolution of these phases is interpreted by the shifting of their e/a-constant lines in the Al-（Cu, Ni）-（Fe, Co） pseudo-ternary phase diagrams.
文摘February 13-15, 2023, Sophia Antipolis, France The 9th ETSI/IQC Quantum Safe Cryptography workshop will return to an in-person format at ETSI Headquarters in Sophia Antipolis on February 13-15, 2023.As we increasingly rely on cyber technologies, we are ever more vulnerable to cyber-attacks. The cybersecurity tools at the center of protecting our business functions, connected devices and information assets from cyber threats rely on cryptographic tools and standards that will be broken by emerging quantum technologies.
