Robert O. Ritchie

94.8k total citations · 41 hit papers
753 papers, 75.2k citations indexed

About

Robert O. Ritchie is a scholar working on Mechanical Engineering, Materials Chemistry and Mechanics of Materials. According to data from OpenAlex, Robert O. Ritchie has authored 753 papers receiving a total of 75.2k indexed citations (citations by other indexed papers that have themselves been cited), including 355 papers in Mechanical Engineering, 251 papers in Materials Chemistry and 249 papers in Mechanics of Materials. Recurrent topics in Robert O. Ritchie's work include Fatigue and fracture mechanics (157 papers), Advanced ceramic materials synthesis (118 papers) and Aluminum Alloys Composites Properties (70 papers). Robert O. Ritchie is often cited by papers focused on Fatigue and fracture mechanics (157 papers), Advanced ceramic materials synthesis (118 papers) and Aluminum Alloys Composites Properties (70 papers). Robert O. Ritchie collaborates with scholars based in United States, China and Germany. Robert O. Ritchie's co-authors include E.P. George, Bernd Gludovatz, R.K. Nalla, Dierk Raabe, Antoni P. Tomsia, Anton Hohenwarter, S. Suresh, Hao Bai, Maximilien E. Launey and Eduardo Saiz and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Robert O. Ritchie

730 papers receiving 72.9k citations

Hit Papers

A fracture-resista... 1973 2026 1990 2008 2014 2014 2019 2011 2016 1000 2.0k 3.0k 4.0k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. A fracture-resistant high-entropy alloy for cryogenic applications
    2014 4.7k citations Bernd Gludovatz, Anton Hohenwarter et al. Science profile →
  2. Bioinspired structural materials
    2014 3.7k citations Robert O. Ritchie et al. profile →
  3. High-entropy alloys
    2019 3.5k citations E.P. George, Robert O. Ritchie et al. profile →
  4. The conflicts between strength and toughness
    2011 3.1k citations Robert O. Ritchie profile →
  5. Exceptional damage-tolerance of a medium-entropy alloy CrCoNi at cryogenic temperatures
    2016 1.5k citations Bernd Gludovatz, Anton Hohenwarter et al. Nature Communications profile →
  6. Tuning element distribution, structure and properties by composition in high-entropy alloys
    2019 1.2k citations Hongbin Bei, Robert O. Ritchie et al. profile →
  7. On the relationship between critical tensile stress and fracture toughness in mild steel
    1973 1.1k citations Robert O. Ritchie et al. Journal of the Mechanics and Physics of Solids profile →
  8. Mechanical properties of high-entropy alloys with emphasis on face-centered cubic alloys
    2018 891 citations Robert O. Ritchie, Marc A. Meyers et al. profile →
  9. Direct mechanical measurement of the tensile strength and elastic modulus of multiwalled carbon nanotubes
    2002 833 citations Robert O. Ritchie et al. profile →
  10. Heterostructured materials: superior properties from hetero-zone interaction
    2020 814 citations Robert O. Ritchie et al. profile →
  11. On the Fracture Toughness of Advanced Materials
    2009 776 citations Robert O. Ritchie et al. profile →
  12. Nanoscale origins of the damage tolerance of the high-entropy alloy CrMnFeCoNi
    2015 707 citations Bernd Gludovatz, E.P. George et al. Nature Communications profile →
  13. Mechanisms of fatigue-crack propagation in ductile and brittle solids
    1999 697 citations Robert O. Ritchie profile →
  14. Functional gradients and heterogeneities in biological materials: Design principles, functions, and bioinspired applications
    2017 687 citations Zengqian Liu, Marc A. Meyers et al. profile →
  15. Mechanisms of fatigue crack propagation in metals, ceramics and composites: Role of crack tip shielding
    1988 660 citations Robert O. Ritchie profile →
  16. Tunable stacking fault energies by tailoring local chemical order in CrCoNi medium-entropy alloys
    2018 630 citations Jun Ding, Qin Yu et al. profile →
  17. Dislocation mechanisms and 3D twin architectures generate exceptional strength-ductility-toughness combination in CrCoNi medium-entropy alloy
    2017 588 citations Bernd Gludovatz, E.P. George et al. Nature Communications profile →
  18. A damage-tolerant glass
    2011 573 citations Robert O. Ritchie et al. profile →
  19. Mechanistic fracture criteria for the failure of human cortical bone
    2003 573 citations Robert O. Ritchie et al. profile →
  20. On the Mechanistic Origins of Toughness in Bone
    2010 571 citations Robert O. Ritchie et al. profile →
  21. Architected cellular materials: A review on their mechanical properties towards fatigue-tolerant design and fabrication
    2021 510 citations Robert O. Ritchie, Filippo Berto et al. profile →
  22. Multiscale Toughening Mechanisms in Biological Materials and Bioinspired Designs
    2019 496 citations Zengqian Liu, Robert O. Ritchie et al. profile →
  23. The true toughness of human cortical bone measured with realistically short cracks
    2008 442 citations Robert O. Ritchie et al. profile →
  24. Encapsulation of Perovskite Nanocrystals into Macroscale Polymer Matrices: Enhanced Stability and Polarization
    2016 437 citations Robert O. Ritchie et al. profile →
  25. Bioinspired large-scale aligned porous materials assembled with dual temperature gradients
    2015 421 citations Robert O. Ritchie et al. Science Advances profile →
  26. Fracture toughness and fatigue-crack propagation in a Zr–Ti–Ni–Cu–Be bulk metallic glass
    1997 392 citations Robert O. Ritchie et al. profile →
  27. Propagation of short fatigue cracks
    1984 387 citations Robert O. Ritchie et al. profile →
  28. A geometric model for fatigue crack closure induced by fracture surface roughness
    1982 370 citations Robert O. Ritchie et al. profile →
  29. Real-time observations of TRIP-induced ultrahigh strain hardening in a dual-phase CrMnFeCoNi high-entropy alloy
    2020 351 citations Bernd Gludovatz, Robert O. Ritchie et al. Nature Communications profile →
  30. Bioinspired Hydroxyapatite/Poly(methyl methacrylate) Composite with a Nacre‐Mimetic Architecture by a Bidirectional Freezing Method
    2015 348 citations Flynn Walsh, Bernd Gludovatz et al. profile →
  31. Exceptional fracture toughness of CrCoNi-based medium- and high-entropy alloys at 20 kelvin
    2022 344 citations Dong Liu, Qin Yu et al. Science profile →
  32. Making ultrastrong steel tough by grain-boundary delamination
    2020 333 citations Qin Yu, Robert O. Ritchie et al. Science profile →
  33. Cryoforged nanotwinned titanium with ultrahigh strength and ductility
    2021 276 citations Ruopeng Zhang, Qin Yu et al. Science profile →
  34. Atomistic simulations of dislocation mobility in refractory high-entropy alloys and the effect of chemical short-range order
    2021 272 citations Sheng Yin, Yunxing Zuo et al. Nature Communications profile →
  35. Amorphization in extreme deformation of the CrMnFeCoNi high-entropy alloy
    2021 259 citations Robert O. Ritchie, Marc A. Meyers et al. Science Advances profile →
  36. Real-time nanoscale observation of deformation mechanisms in CrCoNi-based medium- to high-entropy alloys at cryogenic temperatures
    2019 219 citations Hongbin Bei, Bernd Gludovatz et al. Materials Today profile →
  37. On the damage tolerance of 3-D printed Mg-Ti interpenetrating-phase composites with bioinspired architectures
    2022 172 citations Mingyang Zhang, Ning Zhao et al. Nature Communications profile →
  38. High fatigue resistance in a titanium alloy via near-void-free 3D printing
    2024 135 citations Yining Zhang, Rui Yang et al. profile →
  39. Kink bands promote exceptional fracture resistance in a NbTaTiHf refractory medium-entropy alloy
    2024 103 citations Punit Kumar, Madelyn Payne et al. Science profile →
  40. The propensity for covalent organic frameworks to template polymer entanglement
    2024 80 citations Robert O. Ritchie et al. Science profile →
  41. A strong fracture-resistant high-entropy alloy with nano-bridged honeycomb microstructure intrinsically toughened by 3D-printing
    2024 53 citations Punit Kumar, Robert O. Ritchie et al. Nature Communications profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Robert O. Ritchie United States 127 40.3k 23.9k 17.3k 14.7k 13.7k 753 75.2k
George M. Pharr United States 70 19.8k 0.5× 26.3k 1.1× 31.1k 1.8× 4.0k 0.3× 10.7k 0.8× 271 51.2k
Michael F. Ashby United Kingdom 98 37.1k 0.9× 24.5k 1.0× 18.0k 1.0× 4.3k 0.3× 7.0k 0.5× 237 59.8k
Huajian Gao United States 115 18.1k 0.4× 27.4k 1.1× 18.0k 1.0× 2.5k 0.2× 13.1k 1.0× 799 57.3k
Marc A. Meyers United States 99 19.3k 0.5× 22.2k 0.9× 10.9k 0.6× 4.3k 0.3× 8.2k 0.6× 455 43.7k
A.G. Evans United States 128 34.4k 0.9× 24.0k 1.0× 25.8k 1.5× 10.2k 0.7× 8.9k 0.6× 612 66.0k
W. C. Oliver United States 56 16.1k 0.4× 23.7k 1.0× 27.2k 1.6× 2.6k 0.2× 8.3k 0.6× 168 43.0k
Dierk Raabe Germany 159 73.5k 1.8× 48.1k 2.0× 21.5k 1.2× 24.2k 1.6× 10.2k 0.7× 1.2k 94.6k
John W. Hutchinson United States 119 27.6k 0.7× 24.0k 1.0× 31.3k 1.8× 6.2k 0.4× 7.6k 0.6× 347 58.8k
S. Suresh United States 84 17.7k 0.4× 14.5k 0.6× 17.3k 1.0× 3.4k 0.2× 5.2k 0.4× 289 35.3k
Philip J. Withers United Kingdom 87 25.2k 0.6× 9.9k 0.4× 9.1k 0.5× 4.5k 0.3× 4.4k 0.3× 801 37.3k

Countries citing papers authored by Robert O. Ritchie

Since Specialization
Citations

This map shows the geographic impact of Robert O. Ritchie'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 Robert O. Ritchie with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert O. Ritchie more than expected).

Fields of papers citing papers by Robert O. Ritchie

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert O. Ritchie. 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 Robert O. Ritchie. The network helps show where Robert O. Ritchie may publish in the future.

Co-authorship network of co-authors of Robert O. Ritchie

This figure shows the co-authorship network connecting the top 25 collaborators of Robert O. Ritchie. A scholar is included among the top collaborators of Robert O. Ritchie 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 Robert O. Ritchie. Robert O. Ritchie 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.
Ritchie, Robert O., et al.. (2026). Effects of interstitial oxygen on ω transformations and twin formation in bcc NbTaTiHf multi-principal element alloy from first-principles. Computational Materials Science. 266. 114569–114569.
2.
Luo, Rui, Jian Li, Chenglong Hu, et al.. (2025). Exceptionally strong and damage-tolerant carbon aerogel composite with high thermal stability and insulation. Materials Today. 87. 1–10. 4 indexed citations
3.
Gao, Qingwei, Zongde Kou, Xiaoming Liu, et al.. (2024). Exceptional strength-ductility synergy in a casting multi-principal element alloy with a hierarchically heterogeneous structure. Materials Today. 81. 70–83. 29 indexed citations
4.
Liu, Yuzeng, Bo Han, Kang Yang, et al.. (2024). Mechanically robust surface-degradable implant from fiber silk composites demonstrates regenerative potential. Bioactive Materials. 45. 584–598. 1 indexed citations
5.
Zhou, Jinhua, Jing Wang, Robert O. Ritchie, et al.. (2024). Exceptional tensile ductility and strength of a BCC structure CLAM steel with lamellar grains at 77 kelvin. International Journal of Plasticity. 183. 104161–104161. 7 indexed citations
6.
Gong, Cheng, et al.. (2024). Mechanical properties of modular assembled composite lattice architecture. Journal of the Mechanics and Physics of Solids. 195. 105967–105967. 14 indexed citations
7.
Walsh, Flynn, Mingwei Zhang, Robert O. Ritchie, Mark Asta, & Andrew M. Minor. (2024). Multiple origins of extra electron diffractions in fcc metals. Science Advances. 10(31). eadn9673–eadn9673. 10 indexed citations
8.
Kumar, Punit, et al.. (2024). Exceptional cryogenic-to-ambient impact toughness of a low carbon micro-alloyed steel with a multi-heterogeneous structure. Acta Materialia. 274. 120019–120019. 25 indexed citations
9.
Ritchie, Robert O., et al.. (2024). Electronic descriptors for dislocation deformation behavior and intrinsic ductility in bcc high-entropy alloys. Science Advances. 10(38). eadp7670–eadp7670. 16 indexed citations
10.
Liu, Yanyan, Xi Xie, Zengqian Liu, et al.. (2023). Strong and tough magnesium-MAX phase composites with nacre-like lamellar and brick-and-mortar architectures. Communications Materials. 4(1). 16 indexed citations
11.
Zhang, Mingyang, Qin Yu, Huamiao Wang, et al.. (2022). Phase-transforming Ag-NiTi 3-D interpenetrating-phase composite with high recoverable strain, strength and electrical conductivity. Applied Materials Today. 29. 101639–101639. 16 indexed citations
12.
Liu, Dong, Qin Yu, Saurabh Kabra, et al.. (2022). Exceptional fracture toughness of CrCoNi-based medium- and high-entropy alloys at 20 kelvin. Science. 378(6623). 978–983. 344 indexed citations breakdown →
13.
Zhang, Mingyang, Ning Zhao, Qin Yu, et al.. (2022). On the damage tolerance of 3-D printed Mg-Ti interpenetrating-phase composites with bioinspired architectures. Nature Communications. 13(1). 3247–3247. 172 indexed citations breakdown →
14.
Yin, Sheng, Yunxing Zuo, Anas Abu-Odeh, et al.. (2021). Atomistic simulations of dislocation mobility in refractory high-entropy alloys and the effect of chemical short-range order. Nature Communications. 12(1). 4873–4873. 272 indexed citations breakdown →
15.
Loh, Hyun-Chae, Thibaut Divoux, Bernd Gludovatz, et al.. (2020). Nacre toughening due to cooperative plastic deformation of stacks of co-oriented aragonite platelets. Communications Materials. 1(1). 39 indexed citations
16.
Yin, Sheng, Jun Ding, Mark Asta, & Robert O. Ritchie. (2020). Ab initio modeling of the energy landscape for screw dislocations in body-centered cubic high-entropy alloys. npj Computational Materials. 6(1). 75 indexed citations
17.
Liu, Jiabin, Linli Zhu, Ling Li, et al.. (2018). Nature-Inspired Hierarchical Steels. Scientific Reports. 8(1). 5088–5088. 62 indexed citations
18.
Gludovatz, Bernd, Anton Hohenwarter, Hongbin Bei, et al.. (2016). Exceptional damage-tolerance of a medium-entropy alloy CrCoNi at cryogenic temperatures. Nature Communications. 7(1). 10602–10602. 1503 indexed citations breakdown →
19.
Bale, Hrishikesh, Matthew Blacklock, Matthew R. Begley, et al.. (2011). Characterizing Three‐Dimensional Textile Ceramic Composites Using Synchrotron X ‐Ray Micro‐Computed‐Tomography. Journal of the American Ceramic Society. 95(1). 392–402. 122 indexed citations
20.
Thomas, Gareth, Marc A. Meyers, Robert O. Ritchie, & Mehmet Sarıkaya. (2003). Nano and microstructural design of advanced materials : a commemorative volume on Professor G. Thomas' seventieth birthday. Elsevier eBooks. 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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