碳含量对铌微合金化高碳钢制金属针布耐磨性的影响

doi:10.13251/j.issn.0254-6051.2021.12.011

金属热处理 ›› 2021, Vol. 46 ›› Issue (12): 72-75.DOI: 10.13251/j.issn.0254-6051.2021.12.011

碳含量对铌微合金化高碳钢制金属针布耐磨性的影响

顾炜华¹, 卓城之¹, 陆忠¹, 高丽¹, 张永清^2,3, 雍岐龙²

1.金轮针布江苏有限公司, 江苏南通 226143;
2.钢铁研究总院, 北京 100081;
3.中信金属股份有限公司, 北京 100004

收稿日期:2021-09-10 出版日期:2021-12-25 发布日期:2022-02-18
作者简介:顾炜华(1991—),男,工程师,硕士,主要研究方向为梳理器材制造工艺,E-mail:1217065791@qq.com

Effect of carbon content on wear resistance of metal clothing made of Nb microalloyed high carbon steel

Gu Weihua¹, Zhuo Chengzhi¹, Lu Zhong¹, Gao Li¹, Zhang Yongqing^2,3, Yong Qilong²

1. Geron-card Co., Ltd., Nantong Jiangsu 226143, China;
2. Central Iron and Steel Research Institute, Beijing 100081, China;
3. CITIC Metal Co., Ltd., Beijing 100004, China

Received:2021-09-10 Online:2021-12-25 Published:2022-02-18

摘要/Abstract

摘要： 通过微合金原理,设计了3种含0.8%~1.0%碳及0.03%~0.04%铌的高碳钢。结果表明,碳含量增加可完全消除网状渗碳体,并使更多的碳在热处理加热时固溶于奥氏体中,从而获得更高的淬火硬度。对比不同碳含量钢的淬火显微组织,当碳含量为0.90%时,马氏体基体可以在获得最高硬度的同时保持超细晶粒。由此制造的梳理针布的平均齿尖硬度可以达到841 HV0.2, 晶粒度可以达到13.5级。通过快速磨损试验以及客户现场试验,针布的耐磨性相对于高端针布钢材80WV提高约30%。

关键词: 铌, 微合金化技术, 高碳钢, 金属针布

Abstract: Based on the principle of microalloying, three types of high carbon steels containing 0.8%-1.0% C and 0.03%-0.04%Nb were designed. The results show that the increase of carbon content can completely eliminate the network cementite and make more carbon dissolve in austenite during heat treatment, so as to obtain higher quenching hardness. The comparison of quenching microstructure of steels with different carbon content shows that when the carbon content is 0.90%, the martensitic matrix can obtain the highest hardness while keep the extreme fine grain size. The card clothing made of this type of steel can reach an average hardness of 841 HV0.2 with grain size grade of 13.5. The wear resistance increases by about 30% compared with standard high-end steel 80WV applied to card clothing through quick wear tests and online tests in real carding machines.

Key words: Nb, micro-alloying technology, high carbon steel, metallic card clothing

中图分类号:

TG135⁺.6

顾炜华, 卓城之, 陆忠, 高丽, 张永清, 雍岐龙. 碳含量对铌微合金化高碳钢制金属针布耐磨性的影响[J]. 金属热处理, 2021, 46(12): 72-75.

Gu Weihua, Zhuo Chengzhi, Lu Zhong, Gao Li, Zhang Yongqing, Yong Qilong. Effect of carbon content on wear resistance of metal clothing made of Nb microalloyed high carbon steel[J]. Heat Treatment of Metals, 2021, 46(12): 72-75.

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碳含量对铌微合金化高碳钢制金属针布耐磨性的影响

Effect of carbon content on wear resistance of metal clothing made of Nb microalloyed high carbon steel

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