마모시험의 조건으로서 초경 구를 연마된 복합재들의 표면에 접촉시켜 일정한 하중 P = 3 kgf를 가하였다.
As a condition of the wear test, a constant load P = 3 kgf was applied by contacting the cemented carbide ball with the surface of the polished composite materials.