活性屏等离子体源渗氮距离对2Cr13钢渗层组织与性能的影响

doi:10.13251/j.issn.0254-6051.2025.04.042

摘要/Abstract

摘要： 对2Cr13不锈钢进行活性屏等离子体源渗氮处理,研究了2Cr13不锈钢试样与金属屏距离对渗层相结构和性能的影响,并与传统直流离子渗氮技术进行对比。结果表明,两种渗氮工艺处理后,2Cr13不锈钢表面均形成了均匀、致密的渗层,活性屏等离子体源渗氮试样的化合物层厚度均低于直流离子渗氮试样。活性屏等离子体源渗氮试样与金属屏距离由50、100 mm增加到200 mm时,渗层化合物层厚度分别由18、15 mm降低至6 mm。距金属屏50 mm和100 mm试样的渗层物相组成基本相同,主要是ε-Fe_2-3N、γ′-Fe₄N和α_N,而距金属屏200 mm试样的渗层由α-Fe和ε-Fe_2-3N相构成。两种工艺处理渗层的表面硬度达1305~1442 HV0.2,是基体硬度的3~4倍。活性屏等离子体源渗层的摩擦学性能与电化学腐蚀行为均优于直流离子渗氮,摩擦因数保持在0.62~0.70、自腐蚀电位在－0.11~－0.18 V。

关键词: 活性屏等离子体源渗氮, 2Cr13不锈钢, 相结构, 耐磨性能, 抗蚀性能

Abstract: The 2Cr13 stainless steel was treated by active screen plasma source nitriding. The effect of the distance between the 2Cr13 stainless steel specimens and the metal screen on the phase structure and properties of the nitrided layer was studied, and it was compared with the traditional direct current plasma nitriding. The results show that a uniform and compact nitrided layer is formed on the surface of the 2Cr13 stainless steel when using both two kinds of nitriding processes. The thickness of the compound layer of the active screen plasma source nitrided specimen is lower than that of the direct current plasma nitrided specimen. As the distance between the nitrided specimen and the metal screen increases from 50 mm, 100 mm to 200 mm, the thickness of the nitrided layer decreases from 18 mm, 15 mm to 6 mm, respectively. The nitrided layer has the same phases structure for speicmens 50 mm and 100 mm away from the metal screen, mainly consist of ε-Fe_2-3N、γ′-Fe₄N and α_N phases, while the nitrided layer which 200 mm away from the metal screen is composed of α-Fe and ε-Fe_2-3N phases. The surface hardness of the nitrided layer treated by two processes reaches 1305-1442 HV0.2, which is 3-4 times of the matrix hardness. The tribological properties and electrochemical corrosion behavior of the active screen plasma source nitrided layer are superior to those of the direct current plasma nitrided layer, with a friction coefficient maintained between 0.62-0.70 and a self corrosion potential between －0.11-－0.18 V.

Key words: active screen plasma source nitriding, 2Cr13 stainless steel, phase structure, wear resistance, corrosion resistance

中图分类号:

李广宇, 黄俊杰, 栾媛, 张翠, 雷腾, 许伊婷. 活性屏等离子体源渗氮距离对2Cr13钢渗层组织与性能的影响[J]. 金属热处理, 2025, 50(4): 270-276.

Li Guangyu, Huang Junjie, Luan Yuan, Zhang Cui, Lei Teng, Xu Yiting. Effect of nitriding distance of active screen plasma source on microstructure and properties of 2Cr13 steel nitrided layer[J]. Heat Treatment of Metals, 2025, 50(4): 270-276.

参考文献

[1] Larisch B, Brusky U, Spies H J. Plasma nitriding of stainless steels at low temperatures[J]. Surface and Coatings Technology, 1999, 116-119(6): 205-211.
[2] Basso R L O, Candal R J, Figueroa C A, et al. Influence of microstructure on the corrosion behavior of nitrocarburized AISI H13 tool steel obtained by pulsed DC plasma[J]. Surface and Coatings Technology, 2009, 203(10/11): 1293-1297.
[3] Fattah M, Mahboubi F. Comparison of ferritic and austenitic plasma nitriding and nitrocarburizing behavior of AISI 4140 low alloy steel[J]. Materials and Design, 2010, 31(8): 3915-3921.
[4] Pinedo C E, Monteiro W A. On the kinetics of plasma nitriding a martensitic stainless steel type AISI 420[J]. Surface and Coatings Technology, 2004, 179(2/3): 119-123.
[5] Georges J. TC plasma nitriding[J]. Heat Treatment of Metals, 2001, 28(2): 33-37.
[6] Alves C Jr, Da Silva E F, Martinelli A E. Effect of workpiece geometry on the uniformity of nitrided layers[J]. Surface and Coatings Technology, 2001, 139(1): 1-5.
[7] Li C X, Bell T, Dong H. A study of active screen plasma nitriding[J]. Surface Engineering, 2002, 18(3): 174-181.
[8] Gallo S C, Dong H. On the fundamental mechanisms of active screen plasma nitriding[J]. Vacuum, 2010, 84: 321-325.
[9] Zhao C, Li C X, Dong H, et al. Study on the active screen plasma nitriding and its nitriding mechanism[J]. Surface and Coatings Technology, 2006, 201(6): 2320-2325.
[10] Li C X. Active screen plasma nitriding—An overview[J]. Surface Engineering, 2013, 26(1/2): 135-141.
[11] Spies H J, Biermann H, Burlacov I, et al. Active screen plasma nitriding[J]. Advanced Materials and Processes, 2013, 171(9): 66-68.
[12] Ahangarani S, Sabour A R, Mahboubi F. Surface modification of 30CrNiMo8 low-alloy steel by active screen setup and conventional plasma nitriding methods[J]. Applied Surface Science, 2007, 254(5): 1427-1435.
[13] Pinedo C E, Larrotta S I V, Nishikawa A S, et al. Low temperature active screen plasma nitriding of 17-4 PH stainless steel[J]. Surface and Coatings Technology, 2016, 308: 189-194.
[14] Nagatsuka K, Nishimoto A, Akamatsu K. Surface hardening of duplex stainless steel by low temperature active screen plasma nitriding[J]. Surface and Coatings Technology, 2010, 205: S295-S299.
[15] Li G Y, Lei M K. Microstructure and properties of plasma source nitrided AISI 316 austenitic stainless steel[J]. Journal of Materials Engineering and Performance, 2017, 26(1): 418-423.
[16] De Sousa R R M, De Araújo F O, Da Costa J A P, et al. Cathodic cage plasma nitriding: An innovative technique[J]. Journal of Metallurgy, 2012, 2012: 1-6.
[17] Nishimoto A, Nagatsuka K, Narita R, et al. Effect of the distance between screen and sample on active screen plasma nitriding properties[J]. Surface and Coatings Technology, 2010, 205(7): S365-S368.
[18] Hubbard P, Partridge J G, Doyle E D, et al. Investigation of nitrogen mass transfer within an industrial plasma nitriding system I: The role of surface deposits[J]. Surface and Coatings Technology, 2010, 204(8): 1145-1150.
[19] Hubbard P, Dowey S J, Partridge J G, et al. Investigation of nitrogen mass transfer within an industrial plasma nitriding system II: Application of a biased screen[J]. Surface and Coatings Technology, 2010, 204(8): 1151-1157.
[20] 雷明凯, 王克胜, 欧伊翔, 等. 泵阀用2Crl3马氏体不锈钢等离子体基低能氮离子注入研究[J]. 金属学报, 2011, 47(12): 1490-1494.
Lei Mingkai, Wang Kesheng, Ou Yixiang, et al. Plasma-based low-energy nitrogen ion implantation of 2Crl3 martensitic stainless steel used in pumps and valves[J]. Acta Metallurgica Sinica, 2011, 47(12): 1490-1494.
[21] 刘瑞良, 徐昂, 徐宏涛, 等. AISI420不锈钢表面低温渗氮层组织结构和耐蚀性能[J]. 材料热处理学报, 2017, 38(5): 140-146.
Liu Ruiliang, Xu Ang, Xu Hongtao, et al. Microstructure and corrosion resistance properties of low temperature nitrided layer on AISI420 stainless steel surface[J]. Transactions of Materials and Heat Treatment, 2017, 38(5): 140-146.
[22] Dalibon E, Raúl Charadia, Cabo A, et al. Short time ion nitriding of AISI 420 martensitic stainless steel to improve wear and corrosion resistance[J]. Materials Research, 2019, 22(6): 20190415.
[23] 李成涛, 赵彦芬, 方可伟, 等. 离子渗氮马氏体不锈钢的微观组织与腐蚀行为[J]. 材料热处理学报, 2016, 37(6): 210-214.
Li Chengtao, Zhao Yanfen, Fang Kewei, et al. Microstructure and corrosion behavior of nitrided X12Cr13 martensitic stainless steel[J]. Transactions of Materials and Heat Treatment, 2016, 37(6): 210-214.
[24] Li Yang, He Yongyong, Xiu Junjie, et al. Wear and corrosion properties of AISI 420 martensitic stainless steel treated by active screen plasma nitriding[J]. Surface and Coatings Technology, 2017, 329: 184-192.
[25] 李广宇, 李刚, 雷明凯. 2Cr13不锈钢活性屏等离子体源渗氮层组织与耐蚀性能[J]. 表面技术, 2022, 51(6): 300-306.
Li Guangyu, Li Gang, Lei Mingkai. Microstructure and corrosion resistance of nitrided layer on 2Cr13 stainless steel by active screen plasma source nitriding[J]. Surface Technology, 2022, 51(6): 300-306.
[26] Li C X, Bell T. Corrosion properties of plasma nitrided AISI 410 martensitic stainless steel in 3.5%NaCl and 1%HCl aqueous solutions[J]. Corrosion Science, 2006, 48(8): 2036-2049.
[27] Shen H, Wang L. Mechanism and properties of plasma nitriding AISI 420 stainless steel at low temperature and anodic (ground) potential[J]. Surface and Coatings Technology, 2020, 403: 126390.