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Non-destructive x-ray for diesel catalytic and particulate filters

30 June 2008

3DX-Ray has introduced a set of non-destructive tools for its MDXi x-ray inspection system that allows engineers to measure and analyse the expensive coatings and fills in diesel particulate filters and catalytic converters. This includes the distributions of wash coat, soot, ash and damage due to regeneration.

The new system allows manufacturers to improve performance, reduce costs and control product quality. The tools also work on liquid fills, even when imaging through a steel container. Previously, only destructive testing has been possible for this billion dollar marketplace.

Diesel Particulate filters need to achieve high filtration efficiency, low filtration backpressure, and fast regeneration. Design engineers need to maximise the efficacy of catalysts and balance the high loading needed for performance against the low cost demands of the market place.

The 3DX-Ray MDXi system can accurately measure distances and alignments, and the database it produces can be linked into a QC, SPC or SCADA systems. It uses the company’s proprietary line-scan technology, which eliminates the need for conventional, expensive panel x-ray detectors, whilst still providing impressive data acquisition speeds and quality images.

It also allows the user to measure the substrate damage either during manufacture or as a consequence of regeneration and provide data to enable analysis of the catalyst performance over time.

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