Niobium alloying in grey cast iron for vehicle brake discs

机译：用于汽车制动盘的灰铸铁中的铌合金

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Niobium when alloyed to hypo- as well as hypereutectic iron has several beneficialrnmetallurgical effects. It refines the eutectic cell size, graphite structure and also the lamellaernspacing of the pearlite matrix. Nb affects the nucleation of graphite and can hence supportrnin℃ulation. It also narrows down the temperature hysteresis between austenite and pearliternformation, which is important to cyclic heating. Finally, the ultra hard NbC particles formed leadrnto a markedly increased wear resistance of the material. The paper elucidates how these effectsrnof Nb can be used to make brake discs with better properties and demonstrates pr℃essingrnbenefits in the production of cast iron. Finally some examples of application in heavy trucks andrnrecent passenger cars are given.

机译：铌与次共晶铁和过共晶铁合金化时具有几种有益的冶金作用。它改善了共晶泡孔尺寸，石墨结构以及珠光体基质的层间距。 Nb影响石墨的成核作用，因此可以支持高温化。这也缩小了奥氏体和珠光体形成之间的温度滞后，这对于循环加热很重要。最终，形成的超硬NbC颗粒导致材料的耐磨性显着提高。本文阐明了这些作用如何可以将Nb用于制造性能更好的制动盘，并证明了铸铁生产中的有益效果。最后给出了在重型卡车和最新客车中的一些应用实例。

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来源
《Materials science amp; technology 2011 conference amp; exhibition》|2011年|434-445|共12页
会议地点 Columbus OH(US)
作者
H. Mohrbacher; NiobelCon bvba; Schilde; Belgium;
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作者单位

Q. Zhai , Center for Advanced Solidification Technology, Shanghai University, China;

Q. Zhai , Center for Advanced Solidification Technology, Shanghai University, China;

Q. Zhai , Center for Advanced Solidification Technology, Shanghai University, China;

Q. Zhai , Center for Advanced Solidification Technology, Shanghai University, China;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Niobium; gray cast iron; pearlite refinement; eutectic cell refinement; graphite morphology; brake disc; mechanical properties; thermal analysis;

机译：铌;灰铸铁;珠光体细化;共晶胞细化;石墨形态;制动盘;力学性能;热分析;

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专利

1. Thermomechanical fatigue of grey cast iron brake discs for heavy vehicles [J] . Gigan Gael, Norman Viktor, Ahlstrom Johan, Proceedings of the Institution of Mechanical Engineers, Part D. Journal of Automobile Engineering . 2019,第2期

机译：重型车辆灰铸铁制动盘的热机械疲劳
2. Studying Tribotechnical and Thermophysical Properties of Aluminum Matrix Composite Material in Comparison with SCh24 Cast Iron to Evaluate the Possibility of Using This Alloy as a Material for Vehicle Brake Disc [J] . A. D. Romanov, E. A. Chernyshov, E. A. Romanova, Inorganic materials: applied research . 2021,第4期

机译：与SCH24铸铁相比，研究铝基复合材料的TheAltechnical和热物理性能，评价使用该合金作为车辆制动盘材料的可能性
3. Braking performance and influence of microstructure of advanced cast irons for heavy goods vehicle brake discs [J] . Mathilde Collignon, Gilles Regheere, Anne-Lise Cristol, Proceedings of the Institution of Mechanical Engineers, Part J. Journal of engineering tribology . 2013,第8期

机译：重型货车制动盘用高级铸铁的制动性能及其微观结构的影响
4. Niobium alloying in grey cast iron for vehicle brake discs [C] . H. Mohrbacher, Q. Zhai Materials Science Technology Conference and Exhibition . 2011

机译：车辆制动盘灰铸铁中的铌合金化
5. Characterization of tribological behaviour of graphitic aluminum matrix composites, grey cast iron, and aluminum silicon alloys. [D] . Riahi, Ahmad Reza. 2002

机译：石墨铝基复合材料，灰铸铁和铝硅合金的摩擦学特性表征。
6. Thermo-Mechanical Coupling Analyses for Al Alloy Brake Discs with Al2O3-SiC(3D)/Al Alloy Composite Wear-Resisting Surface Layer for High-Speed Trains [O] . Lan Jiang, Yanli Jiang, Liang Yu, 2019

机译：高速列车用Al2O3-SiC（3D）/铝合金复合耐磨表面层的铝合金制动盘的热力耦合分析
7. FEA Analysis of coupled thermo-mechanical response of grey cast iron material used in brake discs [O] . Ali Belhocine, Asif Afzal 2019

机译：制动盘灰铸铁材料耦合热机械响应的FEA分析

Niobium alloying in grey cast iron for vehicle brake discs

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