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深冷处理马氏体不锈钢的纳米摩擦学行为

Nanotribological behavior of deep cryogenically treated martensitic stainless steel.

作者信息

Prieto Germán, Bakoglidis Konstantinos D, Tuckart Walter R, Broitman Esteban

机构信息

Grupo de Tribología, Departamento de Ingeniería, Universidad Nacional del Sur, Bahía Blanca, Buenos Aires, Argentina.

Consejo Nacional de Investigaciones Científicas y Técnicas, CABA, Argentina.

出版信息

Beilstein J Nanotechnol. 2017 Aug 25;8:1760-1768. doi: 10.3762/bjnano.8.177. eCollection 2017.

DOI:10.3762/bjnano.8.177
PMID:28904837
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5588595/
Abstract

Cryogenic treatments are increasingly used to improve the wear resistance of various steel alloys by means of transformation of retained austenite, deformation of virgin martensite and carbide refinement. In this work the nanotribological behavior and mechanical properties at the nano-scale of cryogenically and conventionally treated AISI 420 martensitic stainless steel were evaluated. Conventionally treated specimens were subjected to quenching and annealing, while the deep cryogenically treated samples were quenched, soaked in liquid nitrogen for 2 h and annealed. The elastic-plastic parameters of the materials were assessed by nanoindentation tests under displacement control, while the friction behavior and wear rate were evaluated by a nanoscratch testing methodology that it is used for the first time in steels. It was found that cryogenic treatments increased both hardness and elastic limit of a low-carbon martensitic stainless steel, while its tribological performance was enhanced marginally.

摘要

深冷处理越来越多地被用于通过残余奥氏体转变、原始马氏体变形和碳化物细化来提高各种合金钢的耐磨性。在这项工作中，评估了深冷处理和常规处理的AISI 420马氏体不锈钢在纳米尺度下的纳米摩擦学行为和力学性能。常规处理的试样进行淬火和退火，而深冷处理的样品则进行淬火、在液氮中浸泡2小时然后退火。通过位移控制下的纳米压痕试验评估材料的弹塑性参数，而摩擦行为和磨损率则通过一种首次用于钢的纳米划痕测试方法进行评估。结果发现，深冷处理提高了低碳马氏体不锈钢的硬度和弹性极限，同时其摩擦学性能略有增强。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/02693b3a8903/Beilstein_J_Nanotechnol-08-1760-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/e2000688e588/Beilstein_J_Nanotechnol-08-1760-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/77a8202cf104/Beilstein_J_Nanotechnol-08-1760-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/a094f34b4af1/Beilstein_J_Nanotechnol-08-1760-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/6938c94e864d/Beilstein_J_Nanotechnol-08-1760-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/80c51e9b7016/Beilstein_J_Nanotechnol-08-1760-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/2ff664014b38/Beilstein_J_Nanotechnol-08-1760-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/8c142c6d10d8/Beilstein_J_Nanotechnol-08-1760-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/6adbce80bb02/Beilstein_J_Nanotechnol-08-1760-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/02693b3a8903/Beilstein_J_Nanotechnol-08-1760-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/e2000688e588/Beilstein_J_Nanotechnol-08-1760-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/77a8202cf104/Beilstein_J_Nanotechnol-08-1760-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/a094f34b4af1/Beilstein_J_Nanotechnol-08-1760-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/6938c94e864d/Beilstein_J_Nanotechnol-08-1760-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/80c51e9b7016/Beilstein_J_Nanotechnol-08-1760-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/2ff664014b38/Beilstein_J_Nanotechnol-08-1760-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/8c142c6d10d8/Beilstein_J_Nanotechnol-08-1760-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/6adbce80bb02/Beilstein_J_Nanotechnol-08-1760-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/174e/5588595/02693b3a8903/Beilstein_J_Nanotechnol-08-1760-g010.jpg

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引用本文的文献

1
Microstructure Evolution and Nanotribological Properties of Different Heat-Treated AISI 420 Stainless Steels after Proton Irradiation.质子辐照后不同热处理的AISI 420不锈钢的微观结构演变及纳米摩擦学性能
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2
Nanotribology.纳米摩擦学
Beilstein J Nanotechnol. 2018 Aug 28;9:2330-2331. doi: 10.3762/bjnano.9.217. eCollection 2018.
3
Recent highlights in nanoscale and mesoscale friction.纳米尺度和介观尺度摩擦的近期研究要点。
Beilstein J Nanotechnol. 2018 Jul 16;9:1995-2014. doi: 10.3762/bjnano.9.190. eCollection 2018.