| 摘要 |
FIELD: welding. ^ SUBSTANCE: powder wire comprise, in mass %, 35-50 of wolfram carbide, 1-3.5 of titanium, 2-5 of cobalt, 0.2-2.5 of aluminum powder, 0.2-0.7 of sodium fluosilicate, and the remainder steel shell. ^ EFFECT: enhanced durability. ^ 1 tbl |
