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Analysis and Treatment of Compressor Diaphragm with Casting Defects

In view of the casting defects of the compressor diaphragm in the casting process, the mechanical properties of the casting diaphragm after cutting and repair welding were analyzed using professional finite element analysis tools. The following conclusions are obtained through analysis: (1) By analyzing the casting diaphragms under different...

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Energy spectrum analysis of casting defects

Energy spectrum analysis of casting defect samples; For example, the table shows the element composition of each scanning point in the casting defect sample; The figure shows the energy spectrum of points 1 and 5 of the casting defect sample. It can be seen from the table and figure...

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SEM observation of casting defects

At a higher magnification of the scanning electron microscope, the casting defects of the three samples are as shown in the figure. As shown in Figure (a), there are particles distributed in the casting defect area, and the particle surface is bright, which may be foreign matters different from...

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Defect Detection of Automobile Shell Castings

For defects visible to the naked eye on the casting surface and the parts with defects found during flaw detection, 10mm shall be made by wire cutting × 10 mm × 10 mm test piece. Then, ultrasonic cleaning of the sample with acetone and absolute ethanol for 2-3 times,...

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