The quiz for March is this one, can you guess what is X-rayed here:
The last solution was: a tensile specimen, in this case 5.5 mm diameter round gauge 20 mm in length, with Ti64 alloy with internal pores visible in the X-ray image.
The latest X-ray image solution: a venomous snake fang. Why was it scanned? It was scanned as part of a research project investigating the fang morphology, with results to be published soon. Watch this space
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Our X-ray image in the latest newsletter had many people guessing. Here it is again, the questions were: What is being X-rayed and WHY:
The first answer is this is an LED and driver, very much like that of a car key or similar device. The second answer is more tricky, the interest is to check for aluminium bond wires between the square chip and the circuits that run up close to it. These bond wires are usually copper and easily seen on 2D X-rays but here there seem to be none. In reality there are aluminium bond wires which are made visible by the power of CT, but only just, look carefully at the images below:
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