Class information for:
Level 1: HYDROGEN EMBRITTLEMENT//DELAYED FRACTURE//HYDROGEN PERMEATION

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
211 3       CORROSION SCIENCE//CORROSION//EIS 51607
2536 2             HYDROGEN EMBRITTLEMENT//DELAYED FRACTURE//HYDROGEN INDUCED CRACKING 4025
546 1                   HYDROGEN EMBRITTLEMENT//DELAYED FRACTURE//HYDROGEN PERMEATION 3354

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYDROGEN EMBRITTLEMENT authKW 3813282 22% 54% 752
2 DELAYED FRACTURE authKW 530802 2% 69% 82
3 HYDROGEN PERMEATION authKW 444102 5% 31% 155
4 HYDROGEN INDUCED CRACKING authKW 430382 3% 55% 84
5 HYDROGEN TRAPPING authKW 280834 2% 59% 51
6 THERMAL DESORPTION ANALYSIS authKW 226791 1% 62% 39
7 HYDROGEN DIFFUSION authKW 225361 3% 25% 95
8 HYDROGEN ENTRY authKW 169576 1% 95% 19
9 HYDROGEN ENVIRONMENT EMBRITTLEMENT authKW 169576 1% 95% 19
10 HYDROGEN TRAP authKW 150839 1% 94% 17

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Metallurgy & Metallurgical Engineering 105574 59% 1% 1973
2 Materials Science, Multidisciplinary 21133 55% 0% 1860
3 Electrochemistry 4499 10% 0% 349
4 Materials Science, Characterization, Testing 2692 4% 0% 124
5 Nanoscience & Nanotechnology 1555 8% 0% 279
6 Energy & Fuels 968 6% 0% 215
7 METALLURGY & MINING 765 1% 0% 19
8 Engineering, Mechanical 354 4% 0% 142
9 Materials Science, Coatings & Films 237 2% 0% 80
10 Chemistry, Physical 199 8% 0% 285

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 HYDROGEN IND USE STORAGE HYDROGENIUS 121524 1% 45% 29
2 MAT SUR E INTER E SCI 65764 0% 100% 7
3 SUR E DESIGN CORROS SECT 39144 0% 83% 5
4 STATE CORROS SCI 29355 0% 63% 5
5 CHRISTIAN DOPPLER DIFFUS SEGREGAT PHENOMENA 28185 0% 100% 3
6 GEN MOTORS EUROPE RD 28185 0% 100% 3
7 STEEL 24577 1% 5% 50
8 INT HYDROGEN ENERGY 22729 1% 13% 19
9 MAT LIFE CHARACTERIZAT GRP 21137 0% 75% 3
10 MAT RELIABIL UNIT 21125 0% 25% 9

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 SCRIPTA METALLURGICA 54289 4% 4% 135
2 CORROSION 52714 5% 4% 152
3 CORROSION SCIENCE 43770 6% 2% 200
4 METALLURGICAL TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE 43708 4% 3% 136
5 ISIJ INTERNATIONAL 19817 4% 2% 121
6 INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 18801 6% 1% 209
7 ACTA METALLURGICA 11872 2% 2% 56
8 TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN 11800 2% 2% 77
9 MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 11475 6% 1% 190
10 JOURNAL OF THE JAPAN INSTITUTE OF METALS 10512 2% 1% 82

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 HYDROGEN EMBRITTLEMENT 3813282 22% 54% 752 Search HYDROGEN+EMBRITTLEMENT Search HYDROGEN+EMBRITTLEMENT
2 DELAYED FRACTURE 530802 2% 69% 82 Search DELAYED+FRACTURE Search DELAYED+FRACTURE
3 HYDROGEN PERMEATION 444102 5% 31% 155 Search HYDROGEN+PERMEATION Search HYDROGEN+PERMEATION
4 HYDROGEN INDUCED CRACKING 430382 3% 55% 84 Search HYDROGEN+INDUCED+CRACKING Search HYDROGEN+INDUCED+CRACKING
5 HYDROGEN TRAPPING 280834 2% 59% 51 Search HYDROGEN+TRAPPING Search HYDROGEN+TRAPPING
6 THERMAL DESORPTION ANALYSIS 226791 1% 62% 39 Search THERMAL+DESORPTION+ANALYSIS Search THERMAL+DESORPTION+ANALYSIS
7 HYDROGEN DIFFUSION 225361 3% 25% 95 Search HYDROGEN+DIFFUSION Search HYDROGEN+DIFFUSION
8 HYDROGEN ENTRY 169576 1% 95% 19 Search HYDROGEN+ENTRY Search HYDROGEN+ENTRY
9 HYDROGEN ENVIRONMENT EMBRITTLEMENT 169576 1% 95% 19 Search HYDROGEN+ENVIRONMENT+EMBRITTLEMENT Search HYDROGEN+ENVIRONMENT+EMBRITTLEMENT
10 HYDROGEN TRAP 150839 1% 94% 17 Search HYDROGEN+TRAP Search HYDROGEN+TRAP

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 29010 GAS CONTROLLABLE CELL//HYDROGEN DISLOCATION INTERACTION//SNOEK LIKE RELAXATION
2 37349 INTERMITTENT SUSTAINED OVERLOAD//MIXED MODE OVERLOADS//STRAIN HISTORY OVERLOAD EFFECT
3 22061 STEADY STATE ELONGATION RATE//CORROSION ELONGATION CURVE//CORROSION INDUCED STRESS
4 31823 WERKSTOFFE UND KORROSION-MATERIALS AND CORROSION//AXLE FOR CHAIR LIFT//CERRO PRIETO GEOTHERMAL FIELD
5 30794 HYDROGEN ATTACK//C 05MO STEEL//NELSON CHART
6 10926 CATHODIC PROTECTION//PIPELINE STEEL//AC CORROSION
7 15845 THERMOHYDROGEN PROCESSING//DELTA HYDRIDE//PROTIUM TREATMENT
8 33452 SHORT TERM AND LONG TERM STATIC CRACK RESISTANCE//CAVITATION FRACTURE//TURBINE DISCIPLINE ENGN OPTIMIZAT GRP
9 13289 CORROSION FATIGUE//CORROSION PIT//GITT INNOVAT MANAGEMENT TECHNOL TRANSFER
10 24975 CORROS ISTANT DESIGN GRP//HIGH TEMPERATURE PRESSURIZED WATER//CAPACITANCE TYPE COD GAUGE

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