Development of sinter linings for high-speed trains

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS

ACS Applied Bio Materials Pub Date : 2024-07-08 DOI:10.1515/mt-2023-0422

Sunay Bebekoğlu, Ahmet Topuz, Esin Çakır, Abdülhamit Adsoy, Turgay Yıldıran

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引用次数: 0

Abstract

Abstract In this study, brake linings with Cu (copper)-based and Cu-10Sn (bronze)-based matrix structures have been developed and produced by the powder metallurgy method using sinter metal technology for use in high-speed trains. The developed linings were compared with commercial high-speed train linings. Firstly, the mixing process was carried out in a Turbulo 3V three-dimensional mixer for 4.5 h at 50 rpm. The pressing process was performed at room temperature, under the pressure of 350–450 MPa, and the sintering temperature for Cu-based linings was 1,000 °C, while for Cu-10Sn-based linings, it was 800 °C. After the pressing and sintering processes, lining sample density calculations were conducted, and hardness tests were carried out in the Rockwell L scale. Shear strength tests, friction coefficient, and wear tests were conducted according to SAE J 661 standards. It was observed that sinter metal brake linings with Cu and Cu-10Sn main matrix structures showed similar properties and met the technical requirements. It was determined that the developed production prescriptions are promising for industrial production and patent studies.

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为高速列车开发烧结衬里

摘要在这项研究中，采用烧结金属技术，通过粉末冶金法开发并生产了基体结构为 Cu（铜）和 Cu-10Sn（青铜）的制动衬片，用于高速列车。所开发的衬里与商用高速列车衬里进行了比较。首先，混合过程在 Turbulo 3V 三维混合器中以 50 rpm 的转速进行了 4.5 小时。压制过程在室温下进行，压力为 350-450 兆帕，铜基衬里的烧结温度为 1,000 °C，而铜-10Sn 基衬里的烧结温度为 800 °C。压制和烧结过程结束后，对衬里样品的密度进行了计算，并用洛氏硬度计进行了硬度测试。根据 SAE J 661 标准进行了剪切强度测试、摩擦系数和磨损测试。结果表明，具有铜和铜-10Sn 主基体结构的烧结金属制动器衬片表现出相似的性能，符合技术要求。研究结果表明，所开发的生产处方有望用于工业生产和专利研究。

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.