结果表明，高珠光体含量球铁凸轮轴的洛氏硬度随着球化率和珠光体含量的升高而增加。
The result showed that the Rockwell hardness of the high pearlite-containing nodular iron camshaft increased with increasing of its nodularity and pearlite content.
所述刷毛（6）具有至少为6根刷毛（6） 每平方毫米的高刷毛密度，并包括具有肖氏硬度D大于40的塑性材料。
The bristles (6) have a high bristle density of at least 6 bristles per square millimeter and consist of a plastic material that has a Shore hardness D of more than 40.
合金截面的小负荷维氏硬度出现由高变低再由低变高的规律性变化， 与合金内部微观组织结构的变化相对应。
Vickers hardness (HV2) along the gradient changes regularly from high to low, then from low to high, corresponding to the microstructure change in the alloy.
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