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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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q235碳素钢应变强化相变中铁素体的取向特征
Keywords: 碳素钢,应变强化相变,织构,取向成像
Abstract:
？利用背散射电子衍射取向成像技术分析了在热模拟单向压缩条件下q235碳素钢应变强化相变中铁素体晶粒的取向（差）变化特点。结果表明，奥氏体的状态影响应变诱导出的铁素体的取向。奥氏体的动态再结晶使应变诱导出的铁素体的取向随机分布，在铁素体的内部基本上没有小角晶界。随着形变温度的降低和应变量的增大，铁素体取向的择优性变强，铁素体内部的小角晶界增加，这是细小铁素体动态再结晶的表现。相变、形变以及铁素体的动态再结晶都影响方向线织构的形成。
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