| 摘要 |
There is disclosed a method of analyzing formability, strain level, or a related physical characteristic of a given material for a blank which is formed into a desired shape comprising: providing a blank of said given material; applying a flowable photoelastic coating directly on a selected surface area of the blank which is to be analyzed and allowing the coating to cure; forming the blank into the desired shape, and subjecting the coating to analysis. Also disclosed is a novel calibration technique for quantitatively analyzing strain in the plastic region of the metal.
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