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Microstructure and indentation toughness of Cr/CrN multilayer coatings by arc ion plating
Alternative TitleMicrostructure and indentation toughness of Cr/CrN multilayer coatings by arc ion plating
Song Guihong; Luo Zhuo; Li Feng; Chen Lijia; He Chunlin
2015
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume25Issue:3Pages:811-816
AbstractCr/CrN multilayer coatings with bilayer periods in the range from 1351 to 260 nm were prepared on 304 stainless steel substrates by arc ion plating to study the microstructure and properties of multilayer coatings and stimulate their application. SEM results confirm the clear periodicity of the Cr/CrN multilayer coatings and the clear interface between individual layers. XRD patterns reveal that these multilayer coatings contain Cr, CrN and Cr2N phases. Because Cr layer is softer than its nitride layer, the hardness decreases with the shortening of the bilayer period (or increasing volume fraction of Cr layer). The Cr/CrN multilayer coating with 862 nm period possesses the highest indentation toughness due to a proper individual Cr and nitride layer thickness. However, for the Cr/CrN multilayer with the bilayer period of 1351 nm, it possesses the lowest toughness due to more nitride phase. The indentation toughness of Cr/CrN multilayer coatings is related with their bilayer period. A coating with a proper individual Cr and nitride layer thickness possesses the highest indentation toughness.
Other AbstractCr/CrN multilayer coatings with bilayer periods in the range from 1351 to 260 nm were prepared on 304 stainless steel substrates by arc ion plating to study the microstructure and properties of multilayer coatings and stimulate their application. SEM results confirm the clear periodicity of the Cr/CrN multilayer coatings and the clear interface between individual layers. XRD patterns reveal that these multilayer coatings contain Cr, CrN and Cr_2N phases. Because Cr layer is softer than its nitride layer, the hardness decreases with the shortening of the bilayer period (or increasing volume fraction of Cr layer). The Cr/CrN multilayer coating with 862 nm period possesses the highest indentation toughness due to a proper individual Cr and nitride layer thickness. However, for the Cr/CrN multilayer with the bilayer period of 1351 nm, it possesses the lowest toughness due to more nitride phase. The indentation toughness of Cr/CrN multilayer coatings is related with their bilayer period. A coating with a proper individual Cr and nitride layer thickness possesses the highest indentation toughness.
KeywordTRIBOLOGICAL PROPERTIES WEAR BEHAVIOR DEPOSITION CR Cr/CrN multilayer coating bilayer period hardness indentation toughness
Indexed ByCSCD
Language英语
Funding Project[National Natural Science Foundation of China] ; [Liaoning Provincial Key Laboratory of Advanced Materials, Shenyang University, China]
CSCD IDCSCD:5404380
Citation statistics
Cited Times:8[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/150334
Collection中国科学院金属研究所
Affiliation中国科学院金属研究所
Recommended Citation
GB/T 7714
Song Guihong,Luo Zhuo,Li Feng,et al. Microstructure and indentation toughness of Cr/CrN multilayer coatings by arc ion plating[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2015,25(3):811-816.
APA Song Guihong,Luo Zhuo,Li Feng,Chen Lijia,&He Chunlin.(2015).Microstructure and indentation toughness of Cr/CrN multilayer coatings by arc ion plating.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,25(3),811-816.
MLA Song Guihong,et al."Microstructure and indentation toughness of Cr/CrN multilayer coatings by arc ion plating".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 25.3(2015):811-816.
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