The influence of two different grain shapes and carbides in the HK40 alloy,the material foruse of furnace tube,on the rate of creep crack growth has been invest
The fatigue-creep interaction behaviour of superalloy GH698 with different grain sizes hasbeen studied at 700℃.The results show that three zones,F,C and FC,can
The electronic structure of Pd-Y-Si glass has been investigated by ESCA and quantum chem-ical calculation.It was found that the valence electrons of Y transferr