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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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热轧态inconel690合金中碳化物的溶解和析出
Keywords: 金属材料,？inconel690合金,？固溶处理,tt处理,碳化物
Abstract:
？采用扫描电镜研究热轧态690合金碳化物的溶解和析出行为，透射电子显微镜分析碳化物结构。结果表明：热轧态合金中存在的碳化物多数沿晶界长条状分布，少量呈颗粒状分布于晶内，类型为m23c6。热轧态合金晶界、晶内碳化物的完全固溶温度分别为1050oc、1080oc。低固溶温度下未完全溶解的残余晶界碳化物直接导致后续tt处理晶界不再析出碳化物；而合金经完全固溶处理后，后续tt处理晶界会重新析出细小、半连续的碳化物。
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