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An New Area Function for Sharp Indenter Tips in Nanoindentation

机译:纳米压痕中尖锐压头尖端的新区域功能

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摘要

A new area function is introduced and applied to a Berkovich tip in order to characterize the contact projected area between an indenter and indented material. The function can be related directly to tip-rounding, thereby having obviously physical meaning. Nanoindentation experiments are performed on a commercial Nano Indenter XP~(~R) system. The other two area functions introduced by Oliver and Pharr and by Thurn and Cook respectively are involved in this paper for comparison. By comparison from experimental results among different area functions, the indenter tip described by the proposed area function here is very close to the experimental indenter.
机译:引入了一个新的面积函数,并将其应用于Berkovich尖端,以表征压头和压痕材料之间的接触投影面积。该功能可以直接与四舍五入相关,因此具有明显的物理意义。纳米压痕实验是在商业的纳米压头XP〜(R)系统上进行的。为了进行比较,本文分别涉及了Oliver和Pharr以及Thurn和Cook引入的其他两个区域函数。通过比较不同面积函数之间的实验结果,此处建议的面积函数所描述的压头尖端与实验压头非常接近。

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