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过滤净化可以提高不锈钢的塑性和韧性指标;它使断裂韧性提高的主要机理是过滤净化减少了夹杂物含量,以及疏松和气孔的数量,提高了合金的致密度,消除了部分裂纹源。
Filtering and purifying can improve the ductility and toughness of stainless steel. The main mechanism of improving the fracture toughness is to reduce the content of inclusions, reduce the number of porosity and porosity, improve the densification degree of the alloy and eliminate the source of some cracks.