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研究刚体薄表层特性时,广泛采用ПМТ-3型显微硬度计。本文的目的是使该硬度计适于作压痕深度试验,并能以指针式或数字式仪表自动显示和打印出测量结果。直接测量一定负荷下压痕深度的仪器可以消除用光学显微镜测量压痕对角线时产生的很
When studying the thin body surface properties of rigid bodies, widely used МММ-3 micro-hardness tester. The purpose of this article is to make the durometer suitable for indentation depth testing and to automatically display and print measurements with a pointer or digital meter. Direct measurement of indentation depth under a certain load of the instrument can eliminate the use of optical microscopy indentation diagonal