A probable new phase was detected in Ni-Ti-Si temary system at 1 100 ℃. ItS composition is aroundM: T: Si = 10: 45: 45 (atom fraction) according to the results of EPMA (Electron Probe Microanalysis) of 4 alloyscontai...A probable new phase was detected in Ni-Ti-Si temary system at 1 100 ℃. ItS composition is aroundM: T: Si = 10: 45: 45 (atom fraction) according to the results of EPMA (Electron Probe Microanalysis) of 4 alloyscontaining the Phase. The SEM microstructure difference of the 4 alloys can give some proof of its existence.展开更多
9-Chlorofluorene reacted with aromatic aldehydes and ketones in the presence of phase transfer catalyst, giving the Darzens condensation epoxy products.
The microstructure and the stability of Fe_73.5Cu_1Nb_3Si_13.5B_9 alloy at different stages of phase transformation were investigated through the observation of X-ray difraction and transmission electron microscopy an...The microstructure and the stability of Fe_73.5Cu_1Nb_3Si_13.5B_9 alloy at different stages of phase transformation were investigated through the observation of X-ray difraction and transmission electron microscopy and the measurement of magnetic aftereffect (MAE). It was found that the dependence of the volume fraction of amorphous phase and the MAE in the samples annealed from 450 to 700℃ on the annealing temperature is similar.展开更多
文摘A probable new phase was detected in Ni-Ti-Si temary system at 1 100 ℃. ItS composition is aroundM: T: Si = 10: 45: 45 (atom fraction) according to the results of EPMA (Electron Probe Microanalysis) of 4 alloyscontaining the Phase. The SEM microstructure difference of the 4 alloys can give some proof of its existence.
文摘9-Chlorofluorene reacted with aromatic aldehydes and ketones in the presence of phase transfer catalyst, giving the Darzens condensation epoxy products.
基金National Natural &ience Foundation of China!(No. 59671020).
文摘The microstructure and the stability of Fe_73.5Cu_1Nb_3Si_13.5B_9 alloy at different stages of phase transformation were investigated through the observation of X-ray difraction and transmission electron microscopy and the measurement of magnetic aftereffect (MAE). It was found that the dependence of the volume fraction of amorphous phase and the MAE in the samples annealed from 450 to 700℃ on the annealing temperature is similar.