Elemental analysis of automobile engine lubrication oil using in-air PIXE

IF 1.4 3区物理与天体物理 Q3 INSTRUMENTS & INSTRUMENTATION

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-02-01 DOI:10.1016/j.nimb.2024.165601

Katsumi Saitoh , Hidetsugu Tsuchida , Misako Miwa , Sho Toyama , Shigeo Matsuyama

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引用次数: 0

Abstract

To identify the elemental characteristics of engine lubricating oil-derived particles emitted from automobiles, we established an elemental analysis technique for engine lubricating oils using the in-air PIXE method, and conducted elemental analysis of unused and used engine lubrication oils, which revealed that S and Ca found in the internal standard base oil Sc 2000 wt-ppm (CONOSTAN®) and In 1000 wt-ppm (CONOSTAN®) were detected in addition to P, Fe and Zn, while K was detected only in the unused engine oil. The concentration balance of P, S, and Zn in the unused and used engine oil confirmed the presence of zinc dialkyldithiophosphate (ZnDTP), which is added to engine lubricating oil as a friction modifier and antioxidant. These results are useful in characterizing the elemental composition of particles derived from engine lubricating oils.

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来源期刊

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms 物理-核科学技术

CiteScore

2.80

自引率

7.70%

发文量

231

审稿时长

1.9 months

期刊介绍： Section B of Nuclear Instruments and Methods in Physics Research covers all aspects of the interaction of energetic beams with atoms, molecules and aggregate forms of matter. This includes ion beam analysis and ion beam modification of materials as well as basic data of importance for these studies. Topics of general interest include: atomic collisions in solids, particle channelling, all aspects of collision cascades, the modification of materials by energetic beams, ion implantation, irradiation - induced changes in materials, the physics and chemistry of beam interactions and the analysis of materials by all forms of energetic radiation. Modification by ion, laser and electron beams for the study of electronic materials, metals, ceramics, insulators, polymers and other important and new materials systems are included. Related studies, such as the application of ion beam analysis to biological, archaeological and geological samples as well as applications to solve problems in planetary science are also welcome. Energetic beams of interest include atomic and molecular ions, neutrons, positrons and muons, plasmas directed at surfaces, electron and photon beams, including laser treated surfaces and studies of solids by photon radiation from rotating anodes, synchrotrons, etc. In addition, the interaction between various forms of radiation and radiation-induced deposition processes are relevant.