Two-body abrasion wear mechanism of super bainitic steel

Guo H.; Zhao A.; Zhi C.; Ding R.; Wang J.

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Two-body abrasion wear mechanism of super bainitic steel

机译：超贝氏体钢的双体磨损机理

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摘要

The abrasion wear resistance and wear mechanism of super bainitic steel austempered at different temperatures and time have been investigated by two-body abrasion testings, scanning electron microscopy, X-ray diffraction, transformation electron microscopy and electron backscattering diffraction. The results show that the two-body abrasion wear mechanism is predominantly micro-ploughing abrasion, and the wear resistance is decreased with increasing isothermal temperature which is attributed to the decreased hardness caused by a higher retained austenite content and the coarsening of the microstructure. The sample austempered at 230 degrees C for 2h with the higher amount of retained austenite and lower carbon concentration exhibits excellent wear resistance, and the transformation induced plasticity effect is observed during wear process which is beneficial for the improving of hardness and wear resistance.

机译：通过双体磨损试验，扫描电子显微镜，X射线衍射，转化电子显微镜和电子背散射衍射研究了不同温度和时间的超强贝氏体钢的耐磨耐磨性和磨损机理。结果表明，双体磨损机构主要是微耕磨机，随着等温温度的增加而降低耐磨性，归因于由较高的保留奥氏体含量和微观结构的粗化引起的硬度降低。在230℃下静置的样品具有较高量的保留奥氏体和较低的碳浓度，表现出优异的耐磨性，并且在磨损过程中观察到转化诱导的可塑性效果，这是有利于改善硬度和耐磨性的。

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来源
《Materials Science and Technology: MST: A publication of the Institute of Metals》 |2017年第8期|共6页
作者
Guo H.; Zhao A.; Zhi C.; Ding R.; Wang J.;
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作者单位

Univ Sci &

Technol Beijing Collaborat Innovat Ctr Steel Technol Beijing 10083 Peoples R China;

Univ Sci &

Technol Beijing Collaborat Innovat Ctr Steel Technol Beijing 10083 Peoples R China;

Univ Sci &

Technol Beijing Engn Res Inst Beijing 10083 Peoples R China;

Univ Sci &

Technol Beijing Engn Res Inst Beijing 10083 Peoples R China;

Univ Sci &

Technol Beijing Engn Res Inst Beijing 10083 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类工程材料学;
关键词
Super bainitic steel; Wear resistance; Micro-ploughing; Phase transformation strengthening;

机译：超级贝氏体钢;耐磨;微耕;相变强化;

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专利

1. Two-body abrasion wear mechanism of super bainitic steel [J] . Guo H., Zhao A., Zhi C., Materials Science and Technology: MST: A publication of the Institute of Metals . 2017,第7a8期

机译：超贝氏体钢的双体磨损机理
2. Wear mechanisms and scale effects in two-body abrasion [J] . D. V. De Pellegrin, A. A. Torrance, E. Haran Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear . 2009,第1a2期

机译：二体磨损的磨损机理和结垢效应
3. Influence of fracture toughness on two-body abrasive wear of nanostructured carbide-free bainitic steels [J] . Moghaddam P. Valizadeh, Rinaudo M., Hardell J., Wear: an International Journal on the Science and Technology of Friction, Lubrication and Wear . 2020,第1期

机译：断裂韧性对纳米结构无碳纤维钢双体磨料磨损的影响
4. Wear resistance and wear mechanisms of WC-12percentCo thermal sprayed coatings in three-body abrasion [C] . Antonio Cesar Bozzi, Jose Daniel Biasoli de Mello The International Conference on Erosive and Abrasive Wear (ICEAW), Incorporating the 9th International Conference on Erosion by Liquid and Solid Impact (ELSI IX), Cambridge, UK, 13-17 September 1998 . 1998

机译：WC-12percentCo热喷涂涂层在三体磨损中的耐磨性和磨损机理
5. Mechanical properties and wear performance of bainitic steels. [D] . Jin, Nong. 1995

机译：贝氏体钢的机械性能和耐磨性能。
6. Dry Rolling/Sliding Wear of Bainitic Rail Steels under Different Contact Stresses and Slip Ratios [O] . Jiapeng Liu, Yingqi Li, Yinhua Zhang, 2020

机译：不同接触应力和滑动比率下贝氏体轨道钢的干轧/滑动磨损
7. Wear mechanisms and scale effects in two-body abrasion [O] . De Pellegrin D. V., Torrance A. A., Haran E. 2009

机译：二体磨损的磨损机理和结垢效应
8. Relations between Cyclic Contraction Ratio, Flowstress and Deformation Mechanisms in Bainitic CrMoV Steels [R] . Rahka, K. 1987

机译：贝氏体CrmoV钢循环收缩率，流变应力与变形机制的关系

Two-body abrasion wear mechanism of super bainitic steel

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