X-ray detection of residual ceramic material inside hollow...

Details X-ray detection of residual ceramic material inside hollow... X-ray detection of residual ceramic material inside hollow...

B - Operations, Transporting

22

D

B22D 29/00 (2006.01)

Patent

CA 2131811

2131811 9320970 PCTABS00027 A hollow metal article can be made by casting a metal article around a ceramic core and leaching the core from inside the article. These steps form a hollow space in the shape of the ceramic core. An x-ray detectable agent that has a higher x-ray density than the ceramic core is introduced into the core. Any core remaining inside the article after the leaching step is detected by making and analyzing an x-ray radiograph of the article.

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