| abstract |
The invention discloses a method for enhancing damping capacity of rubber by adding neodymium-iron-boron magnetic powder, which comprises the following steps: 1) plasticizing 100 parts by mass of rubber on milling equipment, sequentially adding 1-50 parts by mass of reinforcing agent, 20-120 parts by mass of neodymium-iron-boron magnetic powder, 0.1-5 parts by mass of sulfur, 0.1-5 parts by mass of zinc oxide and 0.1-5 parts by mass of stearic acid, and milling for 5-20 minutes to obtain a mixture; 2) putting the mixture in a mold, applying a pressure of 5-50Pa onto the mold, and vulcanizing at 120-200 DEG C for 5-30 minutes to obtain vulcanized rubber; and 3) putting the vulcanized rubber in a 0.5-5T magnetic field to carry out magnetization for 1-60 seconds, thereby obtaining the high-damping neodymium-iron-boron magnetic rubber. The damping capacity of the rubber obtained by adding the neodymium-iron-boron magnetic powder can be maximally enhanced by more than 25% within a wide frequency range and a wide temperature range. |