研究了球墨铸铁材料(EN-GJS500-7)热等静压处理前后疲劳性能的变化,并分析了珠光体、石墨、铁素体含量随热等静压工艺的变化及其对球墨铸铁疲劳性能的影响.结果表明,热等静压处理后如果珠光体含量增加而铁素体含量减少,则材料抗疲劳性能增强;反之,材料疲劳性能降低.
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