<![CDATA[Investigation on Explosive Welding of Zr <Subscript>53</Subscript>Cu <Subscript>35</Subscript>Al <Subscript>12</Subscript> Bulk Metallic Glass with Crystalline Copper]]>

Jianrui Feng; Pengwan Chen; Qiang Zhou

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53Cu 35Al 12 Bulk Metallic Glass with Crystalline Copper]]>

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A Zr~(53)Cu~(35)Al~(12)bulk metallic glass (BMG) was welded to a crystalline Cu using explosive welding technique. The morphology and the composition of the composite were characterized using optical microscopy, scanning electron microscopy, energy-dispersive x-ray spectroscopy and transmission electron microscopy. The investigation indicated that the BMG and Cu were tightly joined together without visible defects, and a thin diffusion layer appeared at the interface. The captured jet at the end of the welding region mostly comes from the Cu side. Amorphous and partially crystallized structures have been observed within the diffusion layer, but the BMG in close proximity to the interface still retains its amorphous state. Nanoindentation tests reveal that the interface exhibits an increment in hardness compared with the matrix on both sides.

机译：使用爆炸性焊接技术将Zr〜（53）Cu〜（35）Cu〜（35）甲基〜（35）Al〜（12）块状金属玻璃（BMG）焊接到结晶Cu上。使用光学显微镜，扫描电子显微镜，能量分散X射线光谱和透射电子显微镜表征复合材料的形态和组合物。研究表明，在没有可见的缺陷的情况下，BMG和Cu紧紧地连接在一起，并且在界面处出现薄的扩散层。焊接区域末端的捕获射流主要来自Cu侧。已经在扩散层内观察到非晶和部分结晶的结构，但是在界面附近的BMG仍然保持其非晶态。纳米狭窄试验表明，与两侧的基质相比，界面表现出硬度增量。

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来源
《Journal of Materials Engineering and Performance》 |2018年第6期|共6页
作者
Jianrui Feng; Pengwan Chen; Qiang Zhou;
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作者单位

State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology;

State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology;

State Key Laboratory of Explosion Science and Technology Beijing Institute of Technology;

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原文格式 PDF
正文语种 eng
中图分类金属学与金属工艺;工程材料学;
关键词
bulk metallic glass; copper; explosive welding; microstructure; nanoindentation;

机译：散装金属玻璃;铜;爆炸焊接;微观结构;纳米凸缘;

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53Cu 35Al 12 Bulk Metallic Glass with Crystalline Copper]]>

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