低负荷压痕法测定不同等级钛合金宏观硬度

IF 0.5 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

Metal Science and Heat Treatment Pub Date : 2025-07-29 DOI:10.1007/s11041-025-01127-4

A. A. Korenev, F. V. Vodolazsky, A. G. Illarionov

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引用次数: 0

摘要

本文提出了一种测定Ti - 6Al - 4V、Ti - 14Mo、Ti - 39Nb - 5Zr等不同种类生物相容性钛合金宏观硬度的方法，并在低负荷（1 ~ 24 N）下用Oliver和farr法测定硬度的基础上进行了实验验证。通过调整硬度值，消除在低负荷压痕过程中检测到的压痕效应，从而获得更准确的结果。通过对淬火钛合金的Nix-Gao方程的推导，可以确定低载荷下的硬度值（Ti - 6Al - 4V为3.09±0.03 GPa， Ti - 14Mo为2.58±0.04 GPa， Ti - 39Nb - 5Zr为1.73±0.03 GPa），与宏观硬度值相对应。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Determination of Macrohardness of Titanium Alloys of Different Classes by Indentation by the Oliver and Pharr Method Under Low Loads

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Determination of Macrohardness of Titanium Alloys of Different Classes by Indentation by the Oliver and Pharr Method Under Low Loads

An algorithm for determining macrohardness is suggested and tested experimentally for biocompatible titanium alloys of different classes i.e., Ti – 6Al – 4V, Ti – 14Mo, Ti – 39Nb – 5Zr, on the base of hardness measurements at low loads (1 – 24 N) by the Oliver and Pharr method. The possibility of adjustment of the hardness values for eliminating the impression effect detected during the indentation at low loads and obtaining more accurate results is demonstrated. Derivation of the Nix–Gao equation for quenched titanium alloys has made it possible to determine the hardness values at low loads(3.09 ± 0.03 GPa for Ti – 6Al – 4V, 2.58 ± 0.04 GPa for Ti – 14Mo, 1.73 ± 0.03 GPa for Ti – 39Nb – 5Zr), which correspond to the values of the macrohardness.

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来源期刊

Metal Science and Heat Treatment 工程技术-冶金工程

CiteScore

1.20

自引率

16.70%

发文量

102

审稿时长

4-8 weeks

期刊介绍： Metal Science and Heat Treatment presents new fundamental and practical research in physical metallurgy, heat treatment equipment, and surface engineering. Topics covered include: New structural, high temperature, tool and precision steels; Cold-resistant, corrosion-resistant and radiation-resistant steels; Steels with rapid decline of induced properties; Alloys with shape memory effect; Bulk-amorphyzable metal alloys; Microcrystalline alloys; Nano materials and foam materials for medical use.