PASTE CAPABLE OF REDUCING FATIGUE CRACK GROWTH RATE OF METAL MATERIAL, AND METAL MATERIAL COATED WITH THE PASTE

摘要

Disclosed are a paste (grain-paste) which can reduce the fatigue crack growth rate of a metal material and can be well incorporated into a fatigue crack, and a metal material coated with said paste. The paste, which comprises a mixture of grains capable of reducing the fatigue crack growth rate of a metal material with a liquid, is characterized by having a viscosity of 0.01-300 Pa·s.