Effect of nitrocarburing temperature on tribological properties of AerMet100 steel after low temperature ion nitrocarburing

doi:10.13251/j.issn.0254-6051.2021.05.030

Abstract

Abstract: Effect of temperature on microstructure, surface hardness, cross-section hardness gradient and wear resistance of the nitrided layer and nitrocarburized layer of the AerMet100 steel by low-temperature ion nitriding and low-temperature ion nitrocarburizing was studied, and the wear mechanism of the infiltrated layer was also discussed. The results show that the compound formed on the nitrocarburized layer is smaller compared to the nitrided layer and its surface is more even and smoother. Both ion nitriding and ion nitrocarburizing treatments can significantly increase the surface hardness of AerMet100 steel. It is found that the thickness of the nitrocarburized layer also increases with the increase of temperature. The nitrocarburized layer has a lower friction coefficient than the nitrided layer. The specimen exhibits the lowest friction coefficient and wear rate when the nitrocarburizing temperature is 480 ℃, and shows excellent wear resistance. The wear mechanism of the nitrided layer is oxidative wear and surface fatigue wear, and that of the nitrocarburized layer is oxidative wear, abrasive wear and surface fatigue wear.

Key words: AerMet100 steel, ion nitriding, nitrocarburizing, hardness, wear resistance

CLC Number:

TG156.8⁺2

Zhang Hao, Li Changsheng, Gou Zhou, Ji Linlin. Effect of nitrocarburing temperature on tribological properties of AerMet100 steel after low temperature ion nitrocarburing[J]. Heat Treatment of Metals, 2021, 46(5): 180-185.

References

[1]Shi X, Zeng W, Zhao Q, et al. Study on the microstructure and mechanical properties of Aermet 100 steel at the tempering temperature around 482 ℃[J]. Journal of Alloys & Compounds, 2016, 679: 184-190.
[2]Lee K B, Kwon H, Yang H R, et al. Effects of alloying additions and austenitizing treatments on secondary hardening and fracture behavior for martensitic steels containing both Mo and W[J]. Metallurgical and Materials Transactions A, 2001, 32: 1659-1670.
[3]汪向荣, 闫牧夫. AerMet100二次硬化过程组织和性能的研究[J]. 热处理技术与装备, 2007(5): 34-36.
Wang Xiangrong, Yan Mufu. Properties and microstructure of steel AerMet100 during secondary hardening[J]. Heat Treatment Technology and Equipment, 2007(5): 34-36.
[4]秦思. AerMet100钢等离子体稀土氮碳研究[D]. 哈尔滨: 哈尔滨工业大学, 2009.
[5]冯熙, 杨浩鹏, 吴晓春. SDC99钢离子氮碳共渗及稀土催渗[J]. 金属热处理, 2014, 39(11): 103-107.
Feng Xi, Yang Haopeng, Wu Xiaochun. Plasma nitrocarburizing of SDC99 steel and rare earth catalysis[J]. Heat Treatment of Metals, 2014, 39(11): 103-107.
[6]杜威, 赵程. 低温离子硬化处理对AISI 420不锈钢组织与性能的影响[J]. 金属热处理, 2014, 39(7): 116-120.
Du Wei, Zhao Cheng. Effect of low temperature plasma hardening treatment on microstructure and properties of AISI 420 stainless steel[J]. Heat Treatment of Metals, 2014, 39(7): 116-120.
[7]匡法正. 20CrMnMo风电齿轮碳氮共渗化学热处理探析[J]. 甘肃冶金, 2018, 40(1): 37-39.
Kuang Fazheng. Analysis of chemical heat treatment of carbon nitrogen in 20CrMnMo wind gear[J]. Gansu Metallurgy, 2018, 40(1): 37-39.
[8]张乐, 张津, 任青松, 等. 钢的稀土氮碳共渗技术研究进展[J]. 材料导报, 2016, 30(19): 19-25.
Zhang Le, Zhang Jin, Ren Qingsong, et al. Progress in nitrocarburizing of steels with the addition of rare earth elements[J]. Materials Reports, 2016, 30(19): 19-25.
[9]Evangelina De Las Heras, Ybarra G, Lamas D, et al. Plasma nitriding of 316L stainless steel in two different N₂-H₂ atmospheres- Influence on microstructure and corrosion resistance[J]. Surface and Coatings Technology, 2017, 313: 47-54.
[10]De S R R M, Araújo Francisco Odolberto de, Costa José Alzamir Pereira da, et al. Cathodic cage nitriding of AISI 409 ferritic stainless steel with the addition of CH₄[J]. Materials Research, 2012, 15(2): 260-265.
[11]韦乃安, 韦春贝, 代明江, 等. 稀土含量对Ti6Al4V钛合金等离子渗氮层组织和摩擦学性能的影响[J]. 表面技术, 2020, 49(3): 148-154.
Wei Nai'an, Wei Chunbei, Dai Mingjiang, et al. Effect of rare earth content on the microstructure and friction properties of Ti6Al4V alloy by plasma nitriding[J]. Surface Technology, 2020, 49(3): 148-154.
[12]缪跃琼, 林晨, 高玉新, 等. 304不锈钢低温离子渗氮及氮碳共渗处理[J]. 表面技术, 2015, 44(8): 61-64, 102.
Miu Yueqiong, Lin Chen, Gao Yuxin, et al. Low-temperature plasma nitriding and plasma nitrocarburing of 304 stainless steel[J]. Surface Technology, 2015, 44(8): 61-64, 102.
[13]缪斌, 李景才, 孙泉, 等. 离子氮碳共渗与离子渗氮复合处理对45钢组织与性能的影响[J]. 中国表面工程, 2016, 29(4): 30-34.
Miao Bin, Li Jingcai, Sun Quan, et al. Effects of complex treatment of plasma nitrocarburizing and plasma nitriding on microstructure and properties of 45 steel[J]. China Surface Engineering, 2016, 29(4): 30-34.
[14]沈琳. 40CrNiMoA钢离子氮碳共渗层异常组织分析及消除[J]. 金属热处理, 2019, 44(5): 200-202.
Shen Lin. Analysis and elimination of abnormal microstructure in 40CrNiMoA steel ion nitrocarburized layer[J]. Heat Treatment of Metals, 2019, 44(5): 200-202.
[15]Li G M, Liang Y L, Sun H, et al. Nitriding behavior and mechanical properties of carburizing and nitriding duplex treated M50NiL steel[J]. Surface and Coatings Technology, 2019, 384: 125315.
[16]王艳芳, 殷挺峰, 李双喜. 脱碳层对38CrMoAl钢离子渗氮的影响[J]. 金属热处理, 2020, 45(10): 194-198.
Wang Yanfang, Yin Tingfeng, Li Shuangxi. Effect of decarbonized layer on plasma nitriding of 38CrMoAl steel[J]. Heat Treatment of Metals, 2020, 45(10): 194-198.
[17]陆旭锋, 潘应君, 刘静. 脉冲渗氮温度对38CrMoAlA钢渗氮层耐蚀性的影响[J]. 金属热处理, 2014, 39(12): 34-37.
Lu Xufeng, Pan Yingjun, Liu Jing. Effect of pulse nitriding temperature on corrosion resistance of nitrided layer on 38CrMoAlA steel[J]. Heat Treatment of Metals, 2014, 39(12): 34-37.
[18]孟璇, 岳佳宏, 孔令飞, 等. 渗氮温度对42CrMo钢零件表面后氧化渗层的影响[J]. 金属热处理, 2021, 46(2): 182-184.
Meng Xuan, Yue Jiahong, Kong Lingfei, et al. Effect of nitriding temperature on post-oxidating infiltrated layer of 42CrMo steel part surface[J]. Heat Treatment of Metals, 2021, 46(2): 182-184.