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SLURRY EROSION BEHAVIORS OF COPPER ALLOY BARREL OF MEASURE-MENT WHILE DRILLING Open
Measurement while drilling (MWD) has been widely used in petroleum drilling engineering because it can realize borehole trajectory monitoring and improve the drilling speed. However, the slurry erosion will deteriorate and shorten the life…
SIMULTANEOUSLY ENHANCING MECHANICAL PROPERTIES AND ELECTRICAL CONDUCTIVITY OF CU-CR ALLOY PROCESSED BY ECAP AND DCT Open
Mechanical properties and electrical conductivity of Cu-0.5%Cr alloy were simultaneously enhanced by combing the equal channel angular pressing (ECAP) and deep cryogenic treatment (DCT). The effect of DCT on the microstructure and properti…
Synthetic Humic Acids Solubilize Otherwise Insoluble Phosphates to Improve Soil Fertility Open
Artificial humic acids (A‐HA) made from biomass in a hydrothermal process turn otherwise highly insoluble phosphates (e.g. iron phosphate as a model) into highly available phosphorus, which contributes to the fertility of soils and the cou…
Annealing effect on microstructure and mechanical properties of Cu-Al alloy subjected to Cryo-ECAP Open
Cu-7%Al alloy subjected to equal channel angular pressing at cryogenic temperature with liquid nitrogen cooling (Cryo-ECAP)was treated by annealing. The microstructure and mechanical properties of Cu-7%Al alloy before and after annealing w…
MICROSTRUCTURE EVOLUTION OF 20CR STEEL SPIDER DURING COLD FORGING USING CELLULAR AUTOMATON METHOD Open
The microstructure evolution of 20Cr steel spider in the cold forging process was simulated and analyzed by the CA method, and verified by the experimental results. The CA simulation results show that the grain size becomes smaller with an…
MICROSTRUCTURE EVOLUTION OF 20CR STEEL SPIDER DURING COLD FORGING USING CELLULAR AUTOMATON METHOD Open
The microstructure evolution of 20Cr steel spider in the cold forging process was simulated and analyzed by the CA method, and verified by the experimental results. The CA simulation results show that the grain size becomes smaller with an…