钢材中夹杂物的数量、分布和形态以及基体金属的塑性和韧性是影响层状撕裂的钢材因素。
The amount, distribution and configuration of the inclusions and the plasticity and toughness of the metal matrix are all the factors that can influence the lamellar tearing.
结果表明，激光淬火处理基体可以提高镀铬层的断裂韧性。
The results show that the fracture toughness of Cr-coatings is improved by laser quenching substrate.
通过净化合金液，细化基体晶粒，细化碳化物可使铬合金白口铸铁的冲击韧性提高。
By purifying the alloy melt, refining matrix grain and carbide, it is possible to increase the impact toughness of the Cr-alloyed white cast iron.
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