不同蠕化率蠕墨铸铁的干滑动摩擦磨损性能

材料导报

2019, Vol. 33

Issue (z1): 366-368

金属与金属基复合材料

不同蠕化率蠕墨铸铁的干滑动摩擦磨损性能

李梦楠¹, 赵宇光², 谢同伦²

1 吉林省产品质量监督检验院,长春 130103
2 吉林大学材料科学与工程学院,长春 130022

Dry Sliding Friction and Wear Properties of Compacted Graphite Cast Iron Brake Drum

LI Mengnan¹, ZHAO Yuguang², XIE Tonglun²

1 Jilin Product Quality Supervision and Inspection Institute, Changchun 130103
2 College of Materials Science and Engineering, Jilin University, Changchun 130022

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摘要为研究性能优越且成本可控的蠕墨铸铁制动鼓材料,采用MG-2000型摩擦磨损试验机对不同蠕化率的蠕墨铸铁及灰铸铁进行干滑动摩擦磨损实验。结果表明:与HT250相比,蠕墨铸铁的耐磨性明显增强,相同条件下的耐磨性约为HT250的1.4~4.5倍,且随着载荷与磨损速度的增加,优越性更为明显。蠕墨铸铁的耐磨性随蠕化率升高而降低,其中Ru60 的耐磨性比Ru90 高69%~76%。

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关键词: 蠕墨铸铁制动鼓干滑动摩擦磨损

Abstract: In order to study the brake drum material of compacted graphite cast iron with superior performance and controllable cost, dry sliding friction and wear tests of compacted graphite cast iron and gray cast iron with different vermicular rate were carried out by MG-2000 friction and wear tester. The results show that the wear resistance of compacted graphite cast iron is 1.4—4.5 times higher than that of HT250 under the same conditions, and the superiority is more obvious with the increase of load and wear speed. The wear resistance of compacted graphite cast iron decreases with the increase of vermicularity, and the wear resistance of Ru60 is 69%—76% higher than that of Ru90.

Key words: compacted graphite cast iron brake drum dry sliding friction and wear

出版日期: 2019-05-25 发布日期: 2019-07-05

ZTFLH:

TG143

作者简介: 李梦楠,2016年6月毕业于吉林大学,获得工学硕士学位。现工作于吉林省产品质量监督检验院,主要研究领域为高强韧铸铁材料。赵宇光,吉林大学材料学院教授,博士研究生导师,吉林省第六批有突出贡献的中青年专业技术人才,长春市第四批有突出贡献专家,吉林省首批创新拔尖人才(第三层次),长春市第二批优秀人才。主要从事铸造合金近终形精铸成型技术、液态金属处理与凝固组织控制、钢铁耐磨材料、金属基复合材料、铸造模具钢强韧化、仿生耐磨复合材料、钛合金的高温氧化与表面改性、金属材料复合物理场处理及电致强化等新材料、新技术方面的研究。作为项目负责人和主要参加人,已完成各类科研项目40余项,其中国家自然科学基金项目6项,国家“七五”、“九五”科技攻关各1项,国家产业化前期关键技术及成套装备研制开发重大项目1项,国家863项目2项,省、部级计划项目16项,与企业合作的开发应用项目10余项。获国家科技发明四等奖、省部级科技进步一、二、三等奖共10项,国家“七五”攻关优秀成果奖1项;授权国家发明专利13项;公开发表学术论文100余篇,其中70余篇被SCI、EI检索。limengnan_job@163.com

引用本文:

李梦楠, 赵宇光, 谢同伦. 不同蠕化率蠕墨铸铁的干滑动摩擦磨损性能[J]. 材料导报, 2019, 33(z1): 366-368.
LI Mengnan, ZHAO Yuguang, XIE Tonglun. Dry Sliding Friction and Wear Properties of Compacted Graphite Cast Iron Brake Drum. Materials Reports, 2019, 33(z1): 366-368.

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