As a result of increased carbon content, the abrasion resistance and contact fatigue durability of the test steel is increased, in the mean time, its impact toughness and thermal fatigue resistance is decreased.

• 结果表明 ,随着碳含量的增加 ,试验钢的耐磨性能和接触疲劳性能提高 ,而冲击韧性及抗冷热疲劳性能降低 ;