Discussion on hardness of metals and hardness test
Ma Zhen · Metallurgical Standardization & Quality · 2005
The hardness of metals and hardness test has been summarized .There are six sets of hardness test of Chinese standards so far. The six sets of hardness test include the hardness test of all kinds of soft and hard metals. The hardness test consist of the still force hardness test and the dynamic hardness test according the test force. The dynamic hardness test can test the hardness of some large parts. This method gives a wide application of the hardness test.