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K-MOLD
The K-Mold test is a fracture test that is presently specified both as a melt qualification test on incoming raw materials and as a process control tool in casting operations. In use, multiple samples of the plate are poured from the metal being evaluated, and are fractured immediately by the technician performing the test. Those fracture surfaces containing inclusions are considered to be an "event", and are expressed as a ratio of events to sound surfaces. See attached PDF files on how to test. also known as Kmould.