supported in part by the National Natural Science Foundation of China(Grant No.62025505);in part by the National Science Fund for Distinguished Young Scholars of China(Grant No.62061136002);in part by Deutsche Forschungsgemeinschaft(DFG),Germany(Grant No.448330062).
A novel optical fiber hydrogen sensor based on theπ-phase-shifted grating and partial coated Pd/Hf composite film is proposed and experimentally demonstrated in this paper.The hydrogen sensitive Pd/Hf film with the l...
financially supported by the National Key Research and Development Program of China (No.2021YFA1600603);the National Science and Technology Major Project (No.J20191-VI-0010-0124);the National Natural Science Foundation of China (No.52071219)。
To investigate the microstructure and creep properties of a hot corrosion resistant Ni-based single crystal superal oy containing different hafnium(Hf)additions(0-0.4wt.%),creep test was performed at 980℃/200 MPa.Opt...
financially supported by the National Science and Technology Major Project of China(No.2017-Ⅵ-0008-0078)。
Four powder metallurgy(PM)Ni-based superalloys with different Hf and Ta contents were creep-tested at 650℃ and 970 MPa,700℃ and 770 MPa,and 750℃ and 580 MPa,respectively.The effect of Hf and Ta on creep deformation...