[1]尧登灿,张道达,孟显娜.M2高速钢渗氮-PVD复合涂层微观结构及力学性能分析[J].江西师范大学学报(自然科学版),2019,(04):382-387.[doi:10.16357/j.cnki.issn1000-5862.2019.04.09]
　YAO Dengcan,ZHANG Daoda,MENG Xianna.The Microstructure and Mechanical Properties Analysis of Nitriding-PVD Composite Coating of M2 High Speed Steel[J].Journal of Jiangxi Normal University:Natural Science Edition,2019,(04):382-387.[doi:10.16357/j.cnki.issn1000-5862.2019.04.09]
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M2高速钢渗氮-PVD复合涂层微观结构及力学性能分析()
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《江西师范大学学报》（自然科学版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2019年04期
页码:
382-387
栏目:
物理学
出版日期:
2019-08-10

文章信息/Info

Title:
The Microstructure and Mechanical Properties Analysis of Nitriding-PVD Composite Coating of M2 High Speed Steel
文章编号:
1000-5862(2019)04-0382-06
作者:
尧登灿1;  张道达1; 孟显娜2
1.江西省机械科学研究所,江西 南昌 330002; 2.华南理工大学机械工程与汽车学院,广东 广州 510641
Author(s):
YAO Dengcan1; ZHANG Daoda1; MENG Xianna2
1.Jiangxi Mechanical Science Institute,Nanchang Jiangxi 330002,China; 2.School of Mechanical and Automotive Engineering,South China University of Technology,Guangzhou Guangdong 510641,China
关键词:
M2高速钢;  离子渗氮;  AlCrN;  渗氮-AlCrN复合涂层
Keywords:
M2 high-speed steel;  plasma nitriding;  AlCrN;  nitriding-AlCrN duplex coating
分类号:
TG 156.8
DOI:
10.16357/j.cnki.issn1000-5862.2019.04.09
文献标志码:
A
摘要:
针对锌挤压成型对模具提出抗粘接、抗重载摩擦磨损和长寿命的苛刻要求,该文提出了渗氮+PVD复合涂层解决方案.通过对比研究各种涂层微观结构和力学性能,以及涂层模具使用寿命等数据得出:AlCrN涂层由fcc-AlCrN固溶体组成,且渗氮预处理促进了(111)AlCrN择优取向的形成.渗氮层及AlCrN/渗氮层界面元素扩散改善了AlCrN层结合力,提高了AlCrN层承载能力.高的结合力及承载能力使得渗氮-AlCrN复合涂层具有更低的摩擦系数.渗氮-AlCrN复合涂层磨损机理是氧化和粘附磨损,而AlCrN涂层磨损机理为氧化、粘附、断裂和剥落.复合涂层模具的使用寿命比AlCrN涂层模具和渗氮模具的使用寿命更高.
Abstract:
In view of the harsh requirements of bonding resistance,heavy load friction and wear resistance and long life for zinc alloy stamping forming,the solution of nitriding PVD composite coating is presented in the paper.By comparing the microstructure and mechanical properties of various coatings,as well as the service life of the coating dies,the following results are obtained:the fcc-AlCrN solid solution is the composition of the AlCrN coating,and the nitriding pretreatment promotes the formation of the preferred orientation of(111)AlCrN.The interfacial element diffusion of nitriding layer and AlCrN/nitriding layer improves the adhesion of AlCrN layer.In addition,the nitriding layer also improves the bearing capacity of AlCrN layer.Because of the high adhesion and bearing capacity, the nitriding/AlCrN composite coating has lower friction coefficient.The wear mechanism of nitriding/AlCrN composite coating is oxidation and adhesion wear,while the wear mechanism of AlCrN coating is oxidation,adhesion,fracture and exfoliation.The service life of compound coating mould is longer than that of AlCrN coating mould and nitriding mould.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-06-05
基金项目:国家自然科学基金(51641101),江西省重点研发计划(20161BBE50064,20171BBH80011),江西省教育厅课题(GJJ161465),安徽省教育厅重点课题(KJ2015A039)和安徽省自然科学基金(1608085QE102)资助项目.
作者简介:尧登灿(1965-),男,四川高岳人,高级工程师,主要从事材料表面强化处理及材料加工工艺研究.E-mail:2685436626@qq.com
更新日期/Last Update: 2019-08-10