Class information for:
Level 1: ZDDP//ANTIWEAR ADDITIVES//ZINC DIALKYLDITHIOPHOSPHATE

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
15 4 METALLURGY & METALLURGICAL ENGINEERING//MATERIALS SCIENCE, MULTIDISCIPLINARY//MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 827627
336 3       JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME//ENGINEERING, MECHANICAL//TRIBOLOGY TRANSACTIONS 37804
191 2             WEAR//TRIBOLOGY INTERNATIONAL//ENGINEERING, MECHANICAL 20933
4183 1                   ZDDP//ANTIWEAR ADDITIVES//ZINC DIALKYLDITHIOPHOSPHATE 1866

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ZDDP authKW 1570975 7% 76% 122
2 ANTIWEAR ADDITIVES authKW 762532 5% 53% 85
3 ZINC DIALKYLDITHIOPHOSPHATE authKW 650542 2% 90% 43
4 BOUNDARY LUBRICATION authKW 557749 8% 22% 150
5 ANTIWEAR authKW 534930 4% 40% 79
6 TRIBOFILM authKW 481177 4% 36% 79
7 ZINC DITHIOPHOSPHATE authKW 422207 1% 100% 25
8 TRIBOCHEMISTRY authKW 381812 5% 27% 84
9 ZNDTP authKW 351831 1% 83% 25
10 MODTC authKW 323973 1% 71% 27

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Engineering, Mechanical 97686 73% 0% 1365
2 Engineering, Chemical 4376 21% 0% 394
3 Engineering, Petroleum 1728 3% 0% 59
4 Materials Science, Multidisciplinary 1235 21% 0% 388
5 Materials Science, Coatings & Films 418 4% 0% 72
6 Energy & Fuels 113 3% 0% 65
7 Chemistry, Physical 46 7% 0% 127
8 Physics, Applied 19 5% 0% 102
9 Chemistry, Multidisciplinary 6 5% 0% 87
10 Metallurgy & Metallurgical Engineering 5 2% 0% 30

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 LUBRICANTS 137512 1% 31% 26
2 IMPERIAL OIL PROD 101330 0% 100% 6
3 SOLID LUBRICAT 76724 2% 16% 29
4 AVIAT OIL 75994 0% 75% 6
5 LUBRICATING OIL PETROCHINA 67553 0% 100% 4
6 ORONITE ADDIT 67553 0% 100% 4
7 UMR 55 13 67553 0% 100% 4
8 BIO FUELS 60793 0% 60% 6
9 SUR E STUDIES 54169 2% 9% 34
10 PETR PL ENGN 52772 0% 63% 5

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 ASLE TRANSACTIONS 270219 5% 19% 86
2 TRIBOLOGY LETTERS 216105 10% 7% 183
3 LUBRICATION ENGINEERING 199656 6% 11% 109
4 TRIBOLOGY TRANSACTIONS 148887 8% 6% 156
5 TRIBOLOGY INTERNATIONAL 147429 11% 4% 210
6 WEAR 117599 15% 2% 280
7 JOURNAL OF JAPANESE SOCIETY OF TRIBOLOGISTS 95442 5% 6% 100
8 LUBRICATION SCIENCE 61865 2% 11% 33
9 INDUSTRIAL LUBRICATION AND TRIBOLOGY 44165 3% 6% 47
10 PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY 25965 3% 3% 50

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 ZDDP 1570975 7% 76% 122 Search ZDDP Search ZDDP
2 ANTIWEAR ADDITIVES 762532 5% 53% 85 Search ANTIWEAR+ADDITIVES Search ANTIWEAR+ADDITIVES
3 ZINC DIALKYLDITHIOPHOSPHATE 650542 2% 90% 43 Search ZINC+DIALKYLDITHIOPHOSPHATE Search ZINC+DIALKYLDITHIOPHOSPHATE
4 BOUNDARY LUBRICATION 557749 8% 22% 150 Search BOUNDARY+LUBRICATION Search BOUNDARY+LUBRICATION
5 ANTIWEAR 534930 4% 40% 79 Search ANTIWEAR Search ANTIWEAR
6 TRIBOFILM 481177 4% 36% 79 Search TRIBOFILM Search TRIBOFILM
7 ZINC DITHIOPHOSPHATE 422207 1% 100% 25 Search ZINC+DITHIOPHOSPHATE Search ZINC+DITHIOPHOSPHATE
8 TRIBOCHEMISTRY 381812 5% 27% 84 Search TRIBOCHEMISTRY Search TRIBOCHEMISTRY
9 ZNDTP 351831 1% 83% 25 Search ZNDTP Search ZNDTP
10 MODTC 323973 1% 71% 27 Search MODTC Search MODTC

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 38809 AERO PORP POWER DIRECTORATE//AEROSPACE LUBRICATION//ASTM D4172
2 30926 VAPOR PHASE LUBRICATION//VAPOR PHASE LUBRICANTS//HIGH TEMPERATURE LUBRICATION
3 22809 SCUFFING//AL390 T6//MACHINES MOTOR VEHICLES IMRIPS
4 20417 GRP CIENCIA MAT INGN MET//INGN MAT FABRICAC//STATE SOLID LUBRICAT
5 29870 OVERBASED DETERGENT//LUBRICANT DETERGENT//COAL WAX
6 9552 BIOLUBRICANT//ESTOLIDES//IN SITU EPOXIDATION
7 5190 LUBRICANT ADDITIVES//MAT INTER ES//NANOLUBRICANT
8 30276 COMBUSTION CHAMBER DEPOSITS//ELECTROSTATIC FILTER//ANILINOSILANES
9 16919 FERROGRAPHY//OIL CONDITION MONITORING//WEAR PARTICLE ANALYSIS
10 26175 CONTAMINATED LUBRICATION//EUROPEAN TRIBOL//PLANE MIXED MODE

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