| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for evaluating quantitative and objective micro-cracks.SOLUTION: This method for evaluating micro-cracks includes: an imaging step of enlarging and imaging an observation surface of a test object composed of a cross-linked rubber and obtaining images of a plurality of locations; a calculation step of calculating a crack area ratio occupied in the observation area from the images of the plurality of locations; a determination step of determining a crack-proof property of the test object on the basis of the calculated crack area ratio; and an output step of outputting the determined evaluation result. The number of images of the plurality of locations of the imaging step is preferably 3 or more and 5 or less. In the imaging step, the observation surface is preferably magnified 10 times or more and 50 times or less to be imaged. |
