The content ( by vo lume ) of the former should be ≤ 0.88 % for ≤ 16 % cobalt alloy . Those over 0.88 % in the standard photograph are pseudoimages resulting from too large particle slie of abrasive materials during polishing .
含钴量≤16%的合金中,共晶石墨的体积含量应≤c.88%,标准照片中>0.88%的照片,是抛光时研磨料粒子太粗造成的假象;