A density calibration method by industrial CT was introduced,which was recommended by ASTM. An example was presented to demonstrate the feasibility and accuracy of the method under a 9MeV industrial CT.

• 介绍了美国ASTM标准中推荐的一种利用工业CT测量物体质量密度的原理与方法以及一个应用案例,显示了该方法较高的测量精度。