▎ 摘　　要

NOVELTY - Copper tungsten contact comprises 19.5-24.3% copper powder, 75.5-80.1% tungsten powder and 0.2-0.5% graphene, where tungsten powder includes the first tungsten powder with a particle size of 5-6 μm, the second tungsten powder with a particle size of 3-5 μm and the third tungsten powder with a particle size of 2-3 μm, the particle sizes of the first tungsten powder, the second tungsten powder and the third tungsten powder are different. The raw material for preparing the copper-tungsten contact further includes trace metal elements, where trace metal elements include cobalt and/or molybdenum. USE - Used as copper tungsten contact. ADVANTAGE - The copper tungsten contact terminal has excellent ablative resistance and abrasion resistance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: preparation method of copper tungsten contact and direct current high speed switch.