Hardness, friction and wear characteristics of electrodeposited RE-Ni-W-P-B4C-PTFE composite coatings were studied, and the reason for these fine characteristic
Using Mo, B-Fe alloy and Fe powders as raw materials, and adding C, Cr and Ni ingredients, respectively, or C, Cr and Ni mixed powders, ternary boride hard allo
Influence of supersaturation on the structure of a series of freshly prepared supersaturated sodium aluminate solutions with medium concentration was investigat
Surface finishing is one of the most important processes in mould and die making. This process is necessary not only for smoothing the surface of die or mould,
[1]Schieber M. Deposition of high temperature superconducting films by physical and chemical methods [J]. J Crystal Growth, 1991, 109: 401-412.[2]LIU Dan-min, ZHOU