结果发现，合金元素能有效提高强度，对断面敏感性的作用因成分(CE)不同而有所不同。
The results show thAt alloy elements can increase strength, but they have different actions on section sensitivity, which is relation to composition of liquid metal.
利用金相显微镜、布氏硬度计分析了随流孕育处理对WD 615飞轮金相组织和断面敏感性的影响。
The effects of instant stream inoculation process on the microstructure and section sensitivity of WD615 flywheel were investigated by using metallurgical microscope and Brinell hardness tester.
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