P. R. Ryason

1.3k total citations
56 papers, 1.1k citations indexed

About

P. R. Ryason is a scholar working on Mechanical Engineering, Mechanics of Materials and Materials Chemistry. According to data from OpenAlex, P. R. Ryason has authored 56 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 29 papers in Mechanical Engineering, 23 papers in Mechanics of Materials and 12 papers in Materials Chemistry. Recurrent topics in P. R. Ryason's work include Lubricants and Their Additives (24 papers), Tribology and Wear Analysis (11 papers) and Adhesion, Friction, and Surface Interactions (6 papers). P. R. Ryason is often cited by papers focused on Lubricants and Their Additives (24 papers), Tribology and Wear Analysis (11 papers) and Adhesion, Friction, and Surface Interactions (6 papers). P. R. Ryason collaborates with scholars based in United States, Netherlands and Canada. P. R. Ryason's co-authors include E. S. Yamaguchi, M. Kasrai, G.M. Bancroft, K. Komvopoulos, Zhanfeng Yin, K. H. Tan, Marina L. Suominen Fuller, P. A. Willermet, Louis J. Painter and Lewis M. Fraas and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and The Journal of Physical Chemistry.

In The Last Decade

P. R. Ryason

54 papers receiving 1.0k citations

Peers

P. R. Ryason
Arya Chatterjee India
G. R. Belton United States
Junbo Xu China
В. М. Воротынцев Russia
Harry Marsh United Kingdom
Poulumi Dey Netherlands
Robert H. Dettre United States
Amy L. Brunsvold Norway
Keishin Mizoguchi Japan
W. Benzinger Germany
Arya Chatterjee India
P. R. Ryason
Citations per year, relative to P. R. Ryason P. R. Ryason (= 1×) peers Arya Chatterjee

Countries citing papers authored by P. R. Ryason

Since Specialization
Citations

This map shows the geographic impact of P. R. Ryason's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by P. R. Ryason with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P. R. Ryason more than expected).

Fields of papers citing papers by P. R. Ryason

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. R. Ryason. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by P. R. Ryason. The network helps show where P. R. Ryason may publish in the future.

Co-authorship network of co-authors of P. R. Ryason

This figure shows the co-authorship network connecting the top 25 collaborators of P. R. Ryason. A scholar is included among the top collaborators of P. R. Ryason based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with P. R. Ryason. P. R. Ryason is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Yamaguchi, E. S., et al.. (2006). Soot Wear in Diesel Engines. Proceedings of the Institution of Mechanical Engineers Part J Journal of Engineering Tribology. 220(5). 463–469. 25 indexed citations
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Komvopoulos, K., et al.. (2003). Effect of Sulfur- and Phosphorus-Containing Additives and Metal Deactivator on the Tribological Properties of Boundary-Lubricated Steel Surfaces. Tribology Transactions. 46(3). 315–325. 18 indexed citations
6.
Yamaguchi, E. S., et al.. (2002). Electrical Contact Resistance Bench Wear Testing: Comparison With Engine Test Results. SAE technical papers on CD-ROM/SAE technical paper series. 1. 9 indexed citations
7.
Kasrai, M., et al.. (2001). X-ray absorption study of antiwear films generated from ZDDP and borate micelles. Wear. 249(12). 1029–1035. 48 indexed citations
8.
Ryason, P. R., et al.. (2000). Preventing Catastrophic Camshaft Lobe Failures in Low Emission Diesel Engines. SAE technical papers on CD-ROM/SAE technical paper series. 1. 11 indexed citations
9.
Ryason, P. R., et al.. (1999). Million Mile Bearings: Lessons From Diesel Engine Bearing Failure Analysis. SAE technical papers on CD-ROM/SAE technical paper series. 1. 2 indexed citations
10.
Georges, J. M., et al.. (1998). Film Thickness and Mechanical Properties of Adsorbed Neutral and Basic Zinc Diisobutyl Dithiophosphates. Tribology Transactions. 41(4). 543–553. 14 indexed citations
11.
Wedeven, L. D., J. A. McGeehan, & P. R. Ryason. (1997). Diesel Engine Oils Formulated with Hydrocracked and Solvent-Refined Basestocks Have Equal EHD Film Thicknesses. Tribology Transactions. 40(3). 453–460. 2 indexed citations
12.
Yamaguchi, E. S. & P. R. Ryason. (1993). Inelastic Electron Tunneling Spectra of Lubricant Oil Additives on Native Aluminum Oxide Surfaces. Tribology Transactions. 36(3). 367–374. 29 indexed citations
13.
Ryason, P. R., et al.. (1980). Detonation-Flame Arrester Devices for Gasoline Cargo Vapor Recovery Systems.. NASA Technical Reports Server (NASA). 1 indexed citations
14.
Ryason, P. R., et al.. (1978). New method of feeding coal: continuous extrusion of fully plastic coal. Fuel. 57(4). 241–244. 4 indexed citations
15.
Ryason, P. R., et al.. (1975). Infrared study of isolated hydroxyl groups on silica surfaces. The Journal of Physical Chemistry. 79(13). 1276–1279. 39 indexed citations
16.
Ryason, P. R., et al.. (1972). Method for Cutting Plugs from CaF_2 Plates. Applied Optics. 11(5). 1274–1274. 1 indexed citations
17.
Painter, Louis J., et al.. (1972). Aerometric data analysis—time series analysis and forecast and an atmospheric smog diagram. Atmospheric Environment (1967). 6(5). 319–342. 44 indexed citations
18.
Ryason, P. R., et al.. (1971). Isolated stable cool flames of hydrocarbons. Symposium (International) on Combustion. 13(1). 271–277. 17 indexed citations
19.
Ryason, P. R., et al.. (1965). Convenient Construction of Thin Film Gauges for Shock Tubes. Review of Scientific Instruments. 36(9). 1383–1383. 1 indexed citations
20.
Ryason, P. R., et al.. (1961). Greaseless Vacuum Valve Useful in Kinetic Studies. Review of Scientific Instruments. 32(1). 89–90. 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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