| 大型核电锻件用16MND5钢韧脆转变温度的确定 |
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| 引用本文： | 白晶,梁宝乙,赵长春,张俊彦. 大型核电锻件用16MND5钢韧脆转变温度的确定[J]. 大型铸锻件, 2011, 0(6): 13-16 |
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| 作者姓名： | 白晶 梁宝乙 赵长春 张俊彦 |
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| 作者单位： | 中冶京诚(营口)装备技术有限公司,辽宁,115004 |
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| 摘 要： | 以百万千瓦级核反应堆压力容器( RPV)大型筒体锻件用16MND5钢为研究对象,通过对其化学成分、非金属夹杂物、晶粒度及组织的有效控制,获得了优异的冲击性能.采用冲击吸收功法和脆性断面率法,并结合断口形貌观察最终确定其韧脆转变温度低于-26℃.
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| 关 键 词： | 16MND5 冲击试验 韧脆转变温度 断口形貌 |
Research on Ductile-to-Brittle Transition Temperature of Heavy Nuclear Power Forgings 16MND5 |
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| Bai Jing,Liang Baoyi,Zhao Changchun,Zhang Junyan. Research on Ductile-to-Brittle Transition Temperature of Heavy Nuclear Power Forgings 16MND5[J]. Heavy Casting and Forging, 2011, 0(6): 13-16 |
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| Authors: | Bai Jing Liang Baoyi Zhao Changchun Zhang Junyan |
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| Affiliation: | Bai Jing,Liang Baoyi,Zhao Changchun,Zhang Junyan |
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| Abstract: | The excellent impact property of 16MND5 forgings for nuclear reactor pressure vessel was obtained by effective control of chemical composition,nonmetallic inclusion,grain size and structure.The ductile-to-brittle transition temperature is confirmed as below-26℃,according to impact absorbing energy,percentage of brittle fracture and fracture appearance. |
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| Keywords: | 16MND5 impact test ductile-to-brittle transition temperature fracture appearance |
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