An altating current was applied to measure the impedance of a hardened cement paste with various contents of carbon fibres.When the free water content in the ha
The rheological and shape retention properties of wax-based binders with different polymer components were studied. The effects of different polymer components
A new compound K6Ti0.67Nb15.33O42 was prepared for the first time by solid state reaction in K2O-Ni2O3-Nb2O5 tary system.The new compound was characterized by e
The weldability of SiCw/6061Al was investigated. From the results of experiments,it is found that the strength of joint is mainly influenced by welding temperat