热处理对黄铜力学和摩擦学性能的影响

Q4 Materials Science

International Journal of Surface Engineering and Interdisciplinary Materials Science Pub Date : 2022-01-01 DOI:10.4018/ijseims.313661

Supriya Bakshi, M. Saha, S. Mandal, P. Biswas, Sandip Ghosh

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引用次数: 0

摘要

本实验分析是为了比较黄铜样品在热处理和不热处理的情况下摩擦学和力学性能的变化。四个Cu-Zn合金样品在350°C至800°C的不同温度范围内加热。记录所有样品的硬度变化，以观察温度和持续时间的影响。磨损试验在干燥和润滑条件下进行。在20N、30N、40N和50N的载荷下，以及在120rpm、140rpm、160rpm和180rpm的转盘速度下，在固定轨道直径下测量样品的磨损损失和摩擦系数8分钟。在所进行的整个试验范围内，在润滑条件下发现了更好的摩擦学性能。观察到在650°C下热处理的样品的最小磨损率。还研究了这两种样品的磨损行为。对于未经热处理的试样，观察到了深槽和微犁现象。在热处理状态下，塑性形成更加突出。

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Influence of Heat Treatment on Mechanical and Tribological Behaviors of Brass

The present experimental analysis has been carried out to compare the changes in the tribological and mechanical properties of brass samples with and without heat treatment. Four Cu-Zn alloy samples are heated in various temperature ranges between 350°C to 800°C. Changes in hardness of all samples are recorded to observe the effect of temperature and time duration. Wear tests are performed in both dry and lubricated conditions. Wear loss and coefficient of friction of samples were measured at loads 20 N, 30 N, 40 N, and 50 N and at rotating disc speeds of 120 rpm, 140 rpm, 160 rpm, and 180 rpm at fixed track diameter for 8 minutes. Better tribological performance was found in the lubricating condition within the entire range of tests carried out. Minimum wear rate was observed for the samples heat treated at 650°C. The wear behavior is also investigated for both kind of samples. Deep grooving and micro ploughing phenomena are observed for non-heat-treated specimens. In the heat-treated state, the plasticity formation is more prominent.

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来源期刊

International Journal of Surface Engineering and Interdisciplinary Materials Science Materials Science-Surfaces, Coatings and Films

CiteScore

2.60

自引率

0.00%

发文量