The identification of a silicide phase and its crystallographic orientation to ferrite within a complex stainless steel

The identification of a silicide phase and its crystallographic orientation to ferrite within a complex stainless steel
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复杂不锈钢中硅化物相的识别及其对铁素体的晶体取向

DOI:
10.1016/j.jnucmat.2019.02.028
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发表时间:
2019
影响因子:
3.1
通讯作者:
Bowden D
Bowden D
中科院分区:
工程技术2区
文献类型:
--
作者:
Bowden D

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最近,在不锈钢合金中发现了一种名为π-铁硅化物的高硬度金属间相,该不锈钢合金旨在取代压水反应堆中的钴基硬面。本研究探讨了热等静压循环后的π-铁硅化物和铁素体相的演变和关系,相比,铸造π-铁硅化物显微组织。电子背散射衍射用于确定两个π-铁硅化物和铁素体相之间的取向关系。由于气体雾化堆焊合金粉末中枝晶间π-铁硅化物的变体选择和生长,在该相中形成了微观织构,这对合金的机械性能具有潜在的影响。
Recently, a high-hardness intermetallic phase, named π-ferrosilicide, has been identified within a stainless steel alloy intended to replace Co-based hardfacings within pressurised water reactors. The present study explores the evolution and relationship of the π-ferrosilicide and ferrite phases after a hot isostatic pressing cycle, compared to a cast π-ferrosilicide microstructure. Electron backscatter diffraction is used to identify two orientation relationships between the π-ferrosilicide and ferrite phases. Due to variant selection and growth of the interdendritic π-ferrosilicide within the gas-atomised hardfacing alloy powder, a microtexture develops within this phase with potential implications for the mechanical properties of the alloy.
DOI: 10.1016/j.matdes.2018.09.015
发表时间: 2019
期刊: Materials & Design
影响因子: 8.4
作者:
Bowden D
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发表时间: 2009-06-01
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