304不锈钢表面预处理对沉积CrMoN涂层性能的影响
Effect of Surface Pretreatment of 304 Stainless Steel on Properties of Deposited CrMoN Coating
摘 要
使用砂纸将对304不锈钢基体依次打磨至1200#（1#工艺）、2000#（2#工艺），以及打磨磨至2000#并经粒度0.5 μm金刚石抛光膏抛光（3#工艺）后，在其表面沉积CrMoN涂层，研究了涂层的物相组成、表面与截面形貌、硬度、表面疏水性、耐腐蚀性能和导电性。结果表明：1#工艺预处理基体表面沉积涂层的表面粗糙度最大，2#工艺预处理后的次之，3#工艺预处理后的最小；涂层均由CrN，Cr2N，Mo2N等物相组成；随着基体表面粗糙度的降低，涂层的显微硬度、自腐蚀电位和水接触角增大，自腐蚀电流密度、极化后的界面接触电阻降低；2#工艺预处理基体表面沉积CrMoN涂层的综合性能优异，与3#工艺预处理的接近。
表面预处理
CrMoN涂层
耐腐蚀性能
导电性能
bipolar plate
surface pretreatment
CrMoN coating
corrosion resistance
conductivity
Abstract
The 304 stainless steel substrate was grinded to 1200# (1# process), 2000# (2# process) by sandpaper in sequence and grinded to 2000# and polished by diamond polishing paste with size of 0.5 μm (3# process), respectively, and then the CrMoN coating was deposited on the surface. The phase composition, surface and cross-section morphology, hardness, surface hydrophobicity, corrosion resistance and conductivity of the coating were studied. The results show that the roughness of the coating surface deposited on the substrate surface pretreated with 1# process was the largest, followed by that pretreated with 2# process, and the roughness that pretreated with 3# process was smallest. The phase of the coating consisted of CrN, Cr2N and Mo2N. With decreasing substrate surface roughness, the microhardness, free corrosion potential and water contact angle of the coating increased, and the corrosion current density and interface contact resistance after polarization decreased. The comprehensive properties of the CrMoN coating deposited on the substrate surface pretreated with 2# process were excellent, which were close to those pretreated with 3# process.
中图分类号 TG174.4 DOI 10.11973/jxgccl202101009
所属栏目 材料性能及应用
基金项目 2018年度广西高校中青年教师基础能力提升项目（2018KY1199）；浙江省自然科学基金资助项目（LY18E020013）
收稿日期 2020/1/21
修改稿日期 2020/11/19
网络出版日期
作者单位点击查看
备注彭定文(1978-),男,广西合浦人,副教授,硕士
引用该论文: PENG Dingwen,HU Menglei,LIU Haojie,JIN Jie. Effect of Surface Pretreatment of 304 Stainless Steel on Properties of Deposited CrMoN Coating[J]. Materials for mechancial engineering, 2021, 45(1): 50～58
彭定文,忽梦磊,刘豪杰,金杰. 304不锈钢表面预处理对沉积CrMoN涂层性能的影响[J]. 机械工程材料, 2021, 45(1): 50～58
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【21】LU J L, ABBAS N, TANG J N,et al.Synthesis and characterization of conductive ceramic MAX-phase coatings for metal bipolar plates in simulated PEMFC environments[J].Corrosion Science, 2019,158:108106.
【22】GAO P, XIE Z, WU X,et al.Development of Ti bipolar plates with carbon/PTFE/TiN composites coating for PEMFCs[J].International Journal of Hydrogen Energy, 2018,43(45):20947-20958.
【23】JIN J, LIU H, ZHENG D,et al.Effects of Mo content on the interfacial contact resistance and corrosion properties of CrN coatings on SS316L as bipolar plates in simulated PEMFCs environment[J].International Journal of Hydrogen Energy, 2018,43(21):10048-10060.
【24】WANG L, SUN J, LI P,et al.Niobized AISI 304 stainless steel bipolar plate for proton exchange membrane fuel cell[J].Journal of Power Sources, 2012,208:397-403.
【25】YOUNG A P, STUMPER J, GYENGE E.Characterizing the structural degradation in a PEMFC cathode catalyst layer:Carbon corrosion[J].Journal of the Electrochemical Society, 2009,156(8):B913-B922.
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【27】JIN J, ZHU Z, ZHENG D.Influence of Ti content on the corrosion properties and contact resistance of CrTiN coating in simulated proton exchange membrane fuel cells[J].International Journal of Hydrogen Energy, 2017,42(16):11758-11770.
【28】BI F, HOU K, YI P,et al.Mechanisms of growth, properties and degradation of amorphous carbon films by closed field unbalanced magnetron sputtering on stainless steel bipolar plates for PEMFCs[J].Applied Surface Science, 2017,422:921-931.
【29】BARRANCO J, BARRERAS F, LOZANO A,et al.Cr and Zr/Cr nitride CAE-PVD coated aluminum bipolar plates for polymer electrolyte membrane fuel cells[J].International Journal of Hydrogen Energy, 2010,35(20):11489-11498.
【30】WANG Y, NORTHWOOD D.An investigation of the electrochemical properties of PVD TiN-coated SS410 in simulated PEM fuel cell environments[J].International Journal of Hydrogen Energy, 2007,32(7):895-902.
【31】《中国公路学报》编辑部.中国汽车工程学术研究综述2017[J].中国公路学报, 2017,30(6):1-197. Editorial Department of China Journal of Highway and Transport. Review on China's automotive engineering research progress:2017[J].China Journal of Highway and Transport, 2017,30(6):1-197.
【32】PENG S, XU J, LI Z,et al.A reactive-sputter-deposited TiSiN nanocomposite coating for the protection of metallic bipolar plates in proton exchange membrane fuel cells[J].Ceramics International, 2020,46(3):2743-2757.
【33】WANG H.Stainless steel as bipolar plate material for polymer electrolyte membrane fuel cells[J].Journal of Power Sources, 2003,115(2):243-251.
【34】JA T.The microstructure of sputter-deposited coatings[J].Journal of Vacuum Science & Technology A (Vacuum, Surfaces, and Films), 1986,4(6):3059-3065.
【35】PETROV I, BARNA P B, HULTMAN L,et al.Microstructural evolution during film growth[J].Journal of Vacuum Science & Technology A, 2003,21(5):S117-S128.
【36】宋沂泽, 高原, 王成磊,等.掺杂不同Mo含量对CrMoN薄膜摩擦磨损性能影响[J].真空科学与技术学报, 2016,36(8):886-890. SONG Y Z, GAO Y, WANG C L, et al. Influence of Mo-content on tribological properties of CrMoN coatings[J].Chinese Journal of Vacuum Science and Technology, 2016,36(8):886-890.
【37】王宇星, 潘健, 张侠.磁控溅射制备CrN和CrMoN涂层的微观结构和性能研究[J].热加工工艺, 2017,46(2):134-138. WANG Y X, PAN J, ZHANG X. Study on microstructure and properties of CrN and CrMoN coatings prepared by magnetron sputtering[J]. Hot Working Technology, 2017,46(2):134-138.
【38】WARCHOLINSKI B, GILEWICZ A, KUPRIN A S,et al.Structure and properties of CrN coatings formed using cathodic arc evaporation in stationary system[J].Transactions of Nonferrous Metals Society of China, 2019,29(4):799-810.
【39】陈磊, 刘其斌.激光熔覆制备高熵合金MnCrTiNiSix涂层组织与性能的分析[J].应用激光, 2014,34(6):494-498. CHEN L, LIU Q B. Effect of Si on the microstructure and properties of high entropy alloy MnCrTiCoNi coating by laser cladding[J]. Applied Laser, 2014,34(6):494-498.
【40】JIN J, ZHENG D, HAN S,et al.Effect of Ni content on the electrical and corrosion properties of CrNiN coating in simulated proton exchange membrane fuel cell[J].International Journal of Hydrogen Energy, 2017,42(2):1142-1153.
【41】AKBARI A, TEMPLIER C, BEAUFORT M F,et al.Ion beam assisted deposition of TiN-Ni nanocomposite coatings[J].Surface and Coatings Technology, 2011,206(5):972-975.
【42】WANG L, SUN J, KANG B,et al.Electrochemical behaviour and surface conductivity of niobium carbide-modified austenitic stainless steel bipolar plate[J].Journal of Power Sources, 2014,246:775-782.
【43】ZHANG K B, ZHANG M M, QIAO J F,et al.Enhancement of the corrosion resistance of zinc-aluminum-chromium coating with cerium nitrate[J].Journal of Alloys and Compounds, 2017,692:460-464.
【44】FENG K, WU G, LI Z,et al.Corrosion behavior of SS316L in simulated and accelerated PEMFC environments[J].International Journal of Hydrogen Energy, 2011,36(20):13032-13042.
【45】CHANDA U K, PADHEE S P, PANDEY A K,et al.Electrodeposited Ni-Mo-Cr-P coatings for AISI 1020 steel bipolar plates[J].International Journal of Hydrogen Energy, 2020,45(41):21892-21904.
【46】INGLE A V, RAJA V S, RANGARAJAN J,et al.Corrosion resistant quaternary Al-Cr-Mo-N coating on type 316L stainless steel bipolar plates for proton exchange membrane fuel cells[J].International Journal of Hydrogen Energy, 2020,45(4):3094-3107.
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