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    WANG Jun, WANG Yu-ling. Uncertainty Evaluation on Metallic Materials Brinell Hardness Test[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2010, 46(12): 771-774.
    Citation: WANG Jun, WANG Yu-ling. Uncertainty Evaluation on Metallic Materials Brinell Hardness Test[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2010, 46(12): 771-774.

    Uncertainty Evaluation on Metallic Materials Brinell Hardness Test

    • According to the new metallic materials Brinell hardness test standard GB/T 231.1-2009, the Brinell hardness test was done to a standard hardness block with hardness of 106 HBW10/1000, and the uncertainty for Brinell hardness test was evaluated. Some details of uncertainty evaluation for Brinell hardness test in new standard were illustrated. At the same time author’s opinions about the evaluation method of some uncertainty components in GB/T 231.1-2009 were proposed. The result show that the Brinell hardness value of the tested hardness block is (107.2±5.0) HBW10/1000, k=2.
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