Abstract��Hardness is not only an important physical quantity to measure material properties, but also a composite indicator of material elastic, plastic, strength, toughness and other mechanical properties. The hardware and software were introduced to achieve the testing of hardness for soft foam polymer materials. STC12 series MCU with A/D conversion, high precision pressure sensor and controlled motor were used to guarantee the validity and accuracy of our digital system. It is shown that this system satisfies the requirements of GB/T 10807��2006 / ISO 2439:1997, and it can be used to test the hardness characteristics of sponges, foam materials with the national standards of method A, method B and method C.
�����飬�����ۣ��˹�ҫ��������. ������ĭ�ۺϲ���Ӳ��������ֵ�ⶨϵͳ[J]. �й������ڿ���, 2012, 30(1): 21-24.
JIANG Qing-xiang,DING Hua-xiong,GU Guang-yao,WANG Zhen-qing. Digital Measurement System of Hardness Properties for Soft Foam Polymer Materials. Chinese Journal of Iron and Steel, 2012, 30(1): 21-24.
2012, Vol. 30 
