Fe74Al4Sn2P10Si4B4C2合金的堆焊层组织和性能

钢铁研究学报, 2006, 18(12): 35-0.

Fe74Al4Sn2P10Si4B4C2合金的堆焊层组织和性能

倪晓俊 , 卢志超 , 陆曹卫 , 张俊峰 , 王移山

钢铁研究总院安泰科技股份有限公司, 北京 100081

Advanced Technology and Materials Co Ltd, Central Iron and Steel Research Institute, Beijing 100081, China

关键词：铁基合金;非晶形成能力;堆焊;组织;显微硬度

Structure and Properties of Overlay Welding Layer of Fe74Al4Sn2P10Si4B4C2 Alloy

NI Xiaojun , LU Zhichao , LU Caowei , ZHANG Junfeng , WANG Yishan

Keywords： Febased alloy;glassforming ability;overlay welding;structure;microhardness

Fe74Al4Sn2P10Si4B4C2合金具有良好的非晶形成能力。研究了Fe74Al4Sn2P10Si4B4C2母合金棒堆焊层的组织和性能。结果表明：在非晶纳米晶基体上分布着αFe固熔体以及析出的Fe3P、Fe2B、Fe3B、Fe3C相，堆焊层具有很高的硬度。

Fe74Al4Sn2P10Si4B4C2 alloy has a high glassforming ability. A surface welding experiment was conducted with a prealloy rod and structure and properties of the layer were studied. The results show that αFe solid solution is distributed in nanocrystalline and amorphous matrix and Fe3P, Fe2B, Fe3B, and Fe3C are precipitated and hence the overlay welding layer has a high hardness.

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