辉光放电光电子谱仪（GDS）渗层成分检测结果表明表面含碳量可达29.8%，合金渗层的碳含量也呈梯度分布；
GDS testing results indicate the carbon content of the surface reaches 29.8%, the carbon content in the alloyed layer emerges in gradient distribution too.
研究分析表明，晶粒细化、高的马氏体含量、马氏体高位错密度和固溶含碳量是获得超高硬度的主要原因。
We assume that the ultrahigh hardness is mainly due to the ultrafine grains, high density dislocation and more content of carbon in martensite.
夹送辊堆焊时，由于母材的硫、磷含量较高及堆焊材料含碳量高、硬度大，常常产生热裂纹。
Because of containing more sulfur and phosphorus in the steel, and more carbon, high hardness in material of surfacing welding, the pinch roller often turns up hot crack.
与孕育剂中其他元素综合考虑，铝含量3%可同时满足磷生铁不同含碳量的要求。
Taking other elements in the compound inoculants into consideration, the compound inoculants with 3%Al can meet the requirement of C content in phosphorous iron.
与孕育剂中其他元素综合考虑，铝含量3%可同时满足磷生铁不同含碳量的要求。
Taking other elements in the compound inoculants into consideration, the compound inoculants with 3%Al can meet the requirement of C content in phosphorous iron.
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