2results about How to "Homogenization time shortened" patented technology

The application discloses a copper alloy material with super-high strength and high conductivity and a preparation method thereof. The copper alloy material is composed of the following components in percentage by mass: Ni: 5-13 wt.%, Sn: 6-14 wt.%, Sn:(Ni+Sn)=40-70 wt.%, M: 0.01-0.5 wt.%, and the rest is Cu, wherein the M is at least one selected from In, Al, Cr, V, Mn and Fe. The preparation process comprises the following steps: performing multi-stage homogenization treatment on a columnar crystal ingot with the above components, obtaining a super-fine crystal structure by performing cycle 'processing-current treatment' on the homogenization-treated ingot, and performing processing-aging treatment. The copper alloy material provided by the application has super-high hardness, tensile strength and good conductivity.

The invention relates to a method for high-efficiency solid solution of coarse primary carbide in high-carbon alloy steel and a product, and belongs to the field of high-carbon alloy steel production.The method comprises the steps that the thermodynamic equilibrium temperature A3 of complete phase change to austenite corresponding to nominal components of a high-carbon alloy steel casting blank or cast ingot is determined; the segregation degree of solute elements and the corresponding solidus temperature TSS are calculated according to the high-carbon alloy steel casting blank or ingot casting steel components and the cooling speed under the actual solidification working condition; electric pulse treatment is conducted within the temperature range of A3-TSS-200 DEG C in the cooling solidification process or the heating solid solution process of the high-carbon alloy steel casting blank or cast ingot, treatment is conducted for a period of time, and air cooling is conducted to the room temperature; and the obtained casting blank or cast ingot is heated to 900-1150 DEG C, heat preservation is conducted for 1-3 h, then thermal deformation is conducted, and air cooling is conducted to the room temperature. According to the method, electric pulse treatment is carried out in the hot-state casting blank / ingot cooling process or the cold-state casting blank / ingot heating solid solution process, and the primary carbide in the high-carbon alloy steel is subjected to efficient solid solution at the low temperature (smaller than or equal to 1150 DEG C) (the annealing time is smaller than or equal to 3 h).