Unveiling oil-additive/surface hierarchy at real ring-liner contact
Wan, Shanhong1; Xia, Yana1; Pham, Sang T.1; Anh Kiet Tieu1; Zhu, Hongtao1; Li, Qinglin2
AbstractZinc-dialkyldithiophosphate (ZDDP) additive in oil has been extensively reported to form a protective tribofilm between the moving components of engine for preventing wear. In this study, surface and interface characterizations were conducted on real piston ring/cylinder liner contacts, the interacting mechanism between oil-additive and solid surfaces under realistic mechanical and thermal conditions was predicted according to the identification of the chemical composition and structure of the tribofilm. The results demonstrate the interesting laminated hierarchy of tribofilm. This tribofilm is composed mainly of dense carbon precipitation at the top region and a thinner polyphosphate intermediate layer in contact with deformed iron oxide substrate on the cylinder liner. The depletion of polyphosphate compounds and competitive growth of solid carbon in term of lubricant's degradation was speculated. These significant findings help manufacturer to understand possible tribochemical processes occurring in the real tribosystem from the practical view, and in particular inspire researchers to develop the new strategy to improve capability and efficiency of oil-additive at sliding contacts.
KeywordPiston ring-cylinder liner assembly Tribochemistry Tribofilm Surface/interface Characterization
Indexed BySCI
Funding ProjectAustralian Research Council [ARC] Discovery Project (DP)[150103718] ; National Natural Science Foundation of China[51561021] ; Australian Research Council (ARC)[JSM-6490LA]
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000466559600001
Document Type期刊论文
Corresponding AuthorAnh Kiet Tieu; Li, Qinglin
Affiliation1.Univ Wollongong, Fac Engn & Informat Sci, Wollongong, NSW 2522, Australia
2.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730000, Gansu, Peoples R China
Corresponding Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Recommended Citation
GB/T 7714
Wan, Shanhong,Xia, Yana,Pham, Sang T.,et al. Unveiling oil-additive/surface hierarchy at real ring-liner contact[J]. SURFACES AND INTERFACES,2019,15:1-10.
APA Wan, Shanhong,Xia, Yana,Pham, Sang T.,Anh Kiet Tieu,Zhu, Hongtao,&Li, Qinglin.(2019).Unveiling oil-additive/surface hierarchy at real ring-liner contact.SURFACES AND INTERFACES,15,1-10.
MLA Wan, Shanhong,et al."Unveiling oil-additive/surface hierarchy at real ring-liner contact".SURFACES AND INTERFACES 15(2019):1-10.
Files in This Item:
There are no files associated with this item.
Related Services
Usage statistics
Google Scholar
Similar articles in Google Scholar
[Wan, Shanhong]'s Articles
[Xia, Yana]'s Articles
[Pham, Sang T.]'s Articles
Baidu academic
Similar articles in Baidu academic
[Wan, Shanhong]'s Articles
[Xia, Yana]'s Articles
[Pham, Sang T.]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Wan, Shanhong]'s Articles
[Xia, Yana]'s Articles
[Pham, Sang T.]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.