HIP烧结技术对黄铜力学性能可靠性影响的实验研究。

Q3 Engineering
Diagnostyka Pub Date : 2022-09-22 DOI:10.29354/diag/154830
S. Alnomani
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引用次数: 0

摘要

任何产品的机械性能的可靠性对产品在各种工作条件下正常工作的寿命起着重要作用。在本研究中,通过实验研究了制备黄铜合金对其力学性能的影响。采用热等静压烧结法制备了60%Cu-40%Zn黄铜试样,并对其进行了孔隙率、密度、硬度和压缩试验等主要力学性能测试。将这些试验结果与铸造生产的商用黄铜合金的相应试验进行了比较,以显示制备方法对其力学性能的影响。与相应的其他铸件的合金相比,由于密度的增加和孔隙率的降低,烧结合金的硬度和强度显著提高。结果表明,由于孔隙率从8.65%显著降低到约0.43%,密度值提高了8.4%。因此,与强度为343MPa的传统铸件相比,通过热压方法制备的合金的强度已跃升至600MPa。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Influence of HIP sintering technique on the reliability of the mechanical properties of brass-an experimental study.
The reliability of the mechanical properties of any product plays an important role in the longevity of the product to work properly under various working conditions. In the present study, the effect of preparing brass alloy on its mechanical properties was experimentally studied. Samples of brass (60% Cu-40% Zn) were prepared by hot iso-stating pressing (HIP) sintering method and some main mechanical tests were performed on them included porosity, density, hardness and compression tests. Results of these tests were compared with corresponding tests on commercial brass alloys produced by casting in order to show the effect of the method of preparing on their mechanical properties. There was a significant improvement in the hardness and strength of the sintered alloy due to the increasing in density and decreasing in porosity comparing with the corresponding other casting's alloys. Results showed an improvement in the density values by 8.4% as a result of the significant reduction in the porosity values from 8.65% to about 0.43%. As a result, the strength of the alloys prepared by the heat pressing method has jumped to a value of 600MPa compared to the traditional castings that have a strength of 343MPa.
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来源期刊
Diagnostyka
Diagnostyka Engineering-Mechanical Engineering
CiteScore
2.20
自引率
0.00%
发文量
41
期刊介绍: Diagnostyka – is a quarterly published by the Polish Society of Technical Diagnostics (PSTD). The journal “Diagnostyka” was established by the decision of the Presidium of Main Board of the Polish Society of Technical Diagnostics on August, 21st 2000 and replaced published since 1990 reference book of the PSTD named “Diagnosta”. In the years 2000-2003 there were issued annually two numbers of the journal, since 2004 “Diagnostyka” is issued as a quarterly. Research areas covered include: -theory of the technical diagnostics, -experimental diagnostic research of processes, objects and systems, -analytical, symptom and simulation models of technical objects, -algorithms, methods and devices for diagnosing, prognosis and genesis of condition of technical objects, -methods for detection, localization and identification of damages of technical objects, -artificial intelligence in diagnostics, neural nets, fuzzy systems, genetic algorithms, expert systems, -application of technical diagnostics, -diagnostic issues in mechanical and civil engineering, -medical and biological diagnostics with signal processing application, -structural health monitoring, -machines, -noise and vibration, -analysis of technical and civil systems.
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