X-Ray Computed Tomographic Investigation of High Pressure Die Castings

被引：2

作者：

Ji, Shouxun ^{[1
]}

Watson, Douglas ^{[2
]}

Fan, Zhongyun ^{[1
]}

机构：

[1] Brunel Univ London, BCAST, Uxbridge UB8 3PH, Middx, England

[2] Engn Ctr Jaguar Cars Ltd, Abbey Rd, Coventry CV34 4LF, W Midlands, England

来源：

LIGHT METALS 2017 | 2017年

基金：

英国工程与自然科学研究理事会;

关键词：

Aluminium alloys; High pressure die casting; NDT; X-ray CT; Porosity Intermetallics; SHORT FATIGUE-CRACK; ALLOY; MICROSTRUCTURE; NUCLEATION; PORE;

D O I：

10.1007/978-3-319-51541-0_104

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

The porosities and intermetallic phases in a high pressure die cast Al-Mg-Si-Mn alloy was investigated using 3D X-ray computed tomography with different scanning resolutions. The experimental results demonstrated the porosity level and phase detection of dependency upon voxel sizes. The porosity levels were 0.4, 0.5 and 0.8% and the intermetallic phases were 0.3, 0.4 and 0.6% when the same casting sample was scanned at 15 mu m/vox, 7.2 mu m/vox and 2.1 mu m/vox, respectively. However, the structural parameters should be assessed to determine the necessary and/or possible image quality, weighing factors such as scan time, field of view, and voxel sizes.

引用

页码：861 / 866

页数：6

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