等温淬火温度对奥贝球铁水脆化行为的影响Influence of Austempering Temperature on Water Embrittlement Behavior of Austempered Ductile Iron
蔡启舟,魏伯康,田中雄一
摘要(Abstract):
研究了等温淬火温度对奥贝球铁 (ADI)水脆化行为的影响 ,水附着条件下不同等温淬火温度处理的ADI均发生水脆化行为 ,抗拉强度和伸长率显著降低 ;但随着等温淬火温度升高 ,ADI的水脆化程度降低。高强度的ADI、淬火回火球铁和珠光体球铁均发生水脆化行为 ,而铁素体含量高的铸态球铁和铁素体球铁无明显的水脆化行为。
关键词(KeyWords): 奥贝球铁(ADI);等温淬火温度;水脆化
基金项目(Foundation): 湖北省自然科学基金资助 (2 0 0 2ABB0 51 )
作者(Author): 蔡启舟,魏伯康,田中雄一
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