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Materials Science
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 156 122 118 53 49 787 106384

Robert O. Ritchie publications per year

The chart shows the history of publications by Robert O. Ritchie between 1971 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert O. Ritchie published across 56 years, from 1971 to 2026, averaging 16.6 papers a year. Output peaked at 41 publications in 2024. 36 of the 929 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1971 to 2026. Vertical axis: number of publications, 0 to 41. Peak 41 publications in 2024. 1971: 1 publication 1972: 0 publications 1973: 2 publications 1974: 2 publications 1975: 4 publications 1976: 1 publication 1977: 5 publications 1978: 6 publications 1979: 6 publications 1980: 4 publications 1981: 5 publications 1982: 8 publications 1983: 12 publications 1984: 9 publications 1985: 14 publications 1986: 11 publications 1987: 9 publications 1988: 21 publications 1989: 11 publications 1990: 10 publications 1991: 7 publications 1992: 12 publications 1993: 9 publications 1994: 9 publications 1995: 16 publications 1996: 12 publications 1997: 17 publications 1998: 13 publications 1999: 18 publications 2000: 20 publications 2001: 18 publications 2002: 22 publications 2003: 30 publications 2004: 26 publications 2005: 35 publications 2006: 30 publications 2007: 22 publications 2008: 28 publications 2009: 14 publications 2010: 20 publications 2011: 12 publications 2012: 20 publications 2013: 23 publications 2014: 17 publications 2015: 17 publications 2016: 24 publications 2017: 20 publications 2018: 20 publications 2019: 38 publications 2020: 36 publications 2021: 39 publications 2022: 33 publications 2023: 34 publications 2024: 41 publications 2025: 34 publications 2026: 2 publications
1971 2026

929 publications in total across all disciplines

View publications per year as a table
Robert O. Ritchie: publications per year, 1971 to 2026
Year Publications
1971 1
1972 0
1973 2
1974 2
1975 4
1976 1
1977 5
1978 6
1979 6
1980 4
1981 5
1982 8
1983 12
1984 9
1985 14
1986 11
1987 9
1988 21
1989 11
1990 10
1991 7
1992 12
1993 9
1994 9
1995 16
1996 12
1997 17
1998 13
1999 18
2000 20
2001 18
2002 22
2003 30
2004 26
2005 35
2006 30
2007 22
2008 28
2009 14
2010 20
2011 12
2012 20
2013 23
2014 17
2015 17
2016 24
2017 20
2018 20
2019 38
2020 36
2021 39
2022 33
2023 34
2024 41
2025 34
2026 2
Total 929
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Robert O. Ritchie publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Robert O. Ritchie sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 770–789 publications, is where this scientist sits. 50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50–69 publications 1,163+

This scientist: 787 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43 787
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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Robert O. Ritchie D-index placement in Materials Science in 2026

The chart shows the D-index (discipline H-index) distribution of Materials Science scientists ranked by Research.com in 2026. The highlighted bar marks where Robert O. Ritchie sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 156–157 D-Index, is where this scientist sits. 40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40–41 D-Index 165+

This scientist: 156 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10 156
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Research.com Recognitions

  • 2026 - Research.com Materials Science in United States Leader Award
  • 2025 - Research.com Materials Science in United States Leader Award
  • 2022 - Research.com Materials Science in United States Leader Award
  • 2020 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2017 - Fellow of the Royal Society, United Kingdom
  • 2014 - Acta Materialia Gold Medal
  • 2013 - David Turnbull Lectureship, Materials Research Society
  • 2010 - Fellow of the Materials Research Society Berkeley
  • 2010 - A.C. Eringen Medal
  • 2004 - Nadai Medal, The American Society of Mechanical Engineers (ASME)
  • 2002 - Fellow of the Royal Academy of Engineering (UK)
  • 2001 - Member of the National Academy of Engineering For contributions to the understanding of fatigue fracture and the failure of engineering structures.

Overview

Robert O. Ritchie is affiliated with Lawrence Berkeley National Laboratory in the United States. Their primary fields of study include Engineering and Materials Science, with a focus on Mechanical Engineering, Materials Chemistry, Biomedical Engineering, Aerospace Engineering, and Biomaterials as subfields.

Their research covers several main topics, including:

  • High Entropy Alloys Studies
  • High-Temperature Coating Behaviors
  • Additive Manufacturing Materials and Processes
  • Microstructure and mechanical properties
  • Bone Tissue Engineering Materials
  • Calcium Carbonate Crystallization and Inhibition
  • Silk-based biomaterials and applications

Frequent publication venues for Robert O. Ritchie include:

  • Acta Materialia
  • Nature Communications
  • SSRN Electronic Journal
  • Journal of Material Science and Technology
  • arXiv (Cornell University)

Some of Robert O. Ritchie's recent papers are:

  • "Heterostructured materials: superior properties from hetero-zone interaction," 2020, Materials Research Letters
  • "Architected cellular materials: A review on their mechanical properties towards fatigue-tolerant design and fabrication," 2021, Materials Science and Engineering R Reports
  • "Making ultrastrong steel tough by grain-boundary delamination," 2020, Science
  • "Exceptional fracture toughness of CrCoNi-based medium- and high-entropy alloys at 20 kelvin," 2022, Science
  • "Real-time observations of TRIP-induced ultrahigh strain hardening in a dual-phase CrMnFeCoNi high-entropy alloy," 2020, Nature Communications

Frequent co-authors include:

  • Mark Asta
  • Qin Yu
  • Andrew M. Minor
  • Zengqian Liu
  • Zhefeng Zhang

Robert O. Ritchie has contributed to the publication of the book titled Comprehensive Structural Integrity published by Elsevier BV in 2023.

The scientist has been recognized with several awards, including:

  • Fellow of the American Association for the Advancement of Science (AAAS), 2020
  • Fellow of the Royal Society, United Kingdom, 2017
  • Acta Materialia Gold Medal, 2014
  • David Turnbull Lectureship, Materials Research Society, 2013
  • A.C. Eringen Medal, 2010
  • Fellow of the Materials Research Society, 2010 (Berkeley)
  • Nadai Medal, The American Society of Mechanical Engineers (ASME), 2004
  • Fellow of the Royal Academy of Engineering (UK), 2002
  • Member of the National Academy of Engineering, 2001, for contributions to the understanding of fatigue fracture and the failure of engineering structures

Best Publications

  • A fracture-resistant high-entropy alloy for cryogenic applications

    Bernd Gludovatz;Anton Hohenwarter;Dhiraj Catoor;Edwin H. Chang

  • Bioinspired structural materials

    Ulrike G. K. Wegst;Hao Bai;Eduardo Saiz;Antoni P. Tomsia

  • High-entropy alloys

    Easo P. George;Easo P. George;Dierk Raabe;Robert O. Ritchie;Robert O. Ritchie

  • The conflicts between strength and toughness

    Robert O. Ritchie

  • ON THE RELATIONSHIP BETWEEN CRITICAL TENSILE STRESS AND FRACTURE TOUGHNESS IN MILD STEEL

    R.O. Ritchie;J.F. Knott;J.R. Rice

  • Tough, bio-inspired hybrid materials.

    Etienne Munch;Maximimilan E. Launey;Daan H. Alsem;Daan H. Alsem;Eduardo Saiz

  • Exceptional damage-tolerance of a medium-entropy alloy CrCoNi at cryogenic temperatures

    Bernd Gludovatz;Anton Hohenwarter;Keli V. S. Thurston;Keli V. S. Thurston;Hongbin Bei

  • Direct Mechanical Measurement of the Tensile Strength and Elastic Modulus of Multiwalled Carbon Nanotubes

    BG Demczyk;YM Wang;J Cumings;M Hetman

  • Tuning element distribution, structure and properties by composition in high-entropy alloys.

    Qingqing Ding;Yin Zhang;Xiao Chen;Xiaoqian Fu

  • Mechanisms of fatigue-crack propagation in ductile and brittle solids

    R. O. Ritchie

  • On the fracture toughness of advanced materials

    Maximilien E. Launey;Robert O. Ritchie;Robert O. Ritchie

  • Mechanical properties of high-entropy alloys with emphasis on face-centered cubic alloys

    Zezhou Li;Shiteng Zhao;Robert O. Ritchie;Marc A. Meyers

  • Mechanisms of fatigue crack propagation in metals, ceramics and composites: Role of crack tip shielding☆

    R.O. Ritchie;R.O. Ritchie

  • Heterostructured materials: superior properties from hetero-zone interaction

    Yuntian Zhu;Kei Ameyama;Peter M. Anderson;Irene J. Beyerlein

  • Propagation of short fatigue cracks

    S. Suresh;R. O. Ritchie

  • Functional gradients and heterogeneities in biological materials: Design principles, functions, and bioinspired applications

    Zengqian Liu;Zengqian Liu;Marc A. Meyers;Zhefeng Zhang;Robert O. Ritchie

  • Mechanistic fracture criteria for the failure of human cortical bone

    Ravi K. Nalla;John H. Kinney;Robert O. Ritchie

  • Nanoscale origins of the damage tolerance of the high-entropy alloy CrMnFeCoNi

    Zi Jiao Zhang;M. M. Mao;Jiangwei Wang;Bernd Gludovatz

  • On the Mechanistic Origins of Toughness in Bone

    Maximilien E. Launey;Markus J. Buehler;Robert O. Ritchie

  • Tunable stacking fault energies by tailoring local chemical order in CrCoNi medium-entropy alloys.

    Jun Ding;Qin Yu;Mark Asta;Robert O. Ritchie;Robert O. Ritchie

  • Bioinspired Structural Materials

    Christine Ortiz;Mary C. Boyce

  • Short-range order and its impact on the CrCoNi medium-entropy alloy.

    Ruopeng Zhang;Ruopeng Zhang;Shiteng Zhao;Shiteng Zhao;Jun Ding;Yan Chong;Yan Chong

Frequent Co-Authors

Ravi K. Nalla
Ravi K. Nalla Microsoft (United States)
Jamie J. Kruzic
Jamie J. Kruzic University of New South Wales
Reinhold H. Dauskardt
Reinhold H. Dauskardt Stanford University
John H. Kinney
John H. Kinney University of California, San Francisco
Eric A. Stach
Eric A. Stach University of Pennsylvania
Joel W. Ager
Joel W. Ager Lawrence Berkeley National Laboratory
Rowland M. Cannon
Rowland M. Cannon Lawrence Berkeley National Laboratory
Antoni P. Tomsia
Antoni P. Tomsia Beihang University
Mark Asta
Mark Asta University of California, Berkeley
Easo P George
Easo P George Oak Ridge National Laboratory

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