The correct use of lubricant is the key of warm compaction powder metallurgy.Different lubricants produce different lubrication effects and their optimal applic
<正>A pure aluminum matrix composite reinforced by Bi2O3-coated aluminum borate whisker was fabricated by a squeeze casting method. The mass ratio of Bi2O3 to w
<正>A series of new microwave dielectric ceramics Ba3-nLa1+nTinNb3-nO12 (n=0,1,2) were prepared in the BaO-La2O3-TiO2-Nb2O5 system by high temperature solid-sta
<正>Using sheathed extrusion technique, the bonding and forming of semi solid aluminum alloy with stainless steel sheath are successfully realized. The relation