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Robert M. Pilliar

Robert M. Pilliar

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 60 7062 6825 126 121 161 12790

Robert M. Pilliar publications per year

The chart shows the history of publications by Robert M. Pilliar between 1971 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert M. Pilliar published across 51 years, from 1971 to 2021, averaging 3.8 papers a year. Output peaked at 11 publications in 1991. 6 of the 194 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1971 to 2021. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 1991. 1971: 1 publication 1972: 0 publications 1973: 1 publication 1974: 1 publication 1975: 3 publications 1976: 2 publications 1977: 2 publications 1978: 2 publications 1979: 4 publications 1980: 5 publications 1981: 4 publications 1982: 3 publications 1983: 2 publications 1984: 1 publication 1985: 2 publications 1986: 6 publications 1987: 10 publications 1988: 5 publications 1989: 5 publications 1990: 2 publications 1991: 11 publications 1992: 1 publication 1993: 3 publications 1994: 1 publication 1995: 0 publications 1996: 7 publications 1997: 2 publications 1998: 2 publications 1999: 4 publications 2000: 4 publications 2001: 10 publications 2002: 3 publications 2003: 7 publications 2004: 7 publications 2005: 10 publications 2006: 9 publications 2007: 8 publications 2008: 8 publications 2009: 2 publications 2010: 7 publications 2011: 2 publications 2012: 4 publications 2013: 3 publications 2014: 1 publication 2015: 4 publications 2016: 2 publications 2017: 4 publications 2018: 0 publications 2019: 1 publication 2020: 3 publications 2021: 3 publications
1971 2021

194 publications in total across all disciplines

View publications per year as a table
Robert M. Pilliar: publications per year, 1971 to 2021
Year Publications
1971 1
1972 0
1973 1
1974 1
1975 3
1976 2
1977 2
1978 2
1979 4
1980 5
1981 4
1982 3
1983 2
1984 1
1985 2
1986 6
1987 10
1988 5
1989 5
1990 2
1991 11
1992 1
1993 3
1994 1
1995 0
1996 7
1997 2
1998 2
1999 4
2000 4
2001 10
2002 3
2003 7
2004 7
2005 10
2006 9
2007 8
2008 8
2009 2
2010 7
2011 2
2012 4
2013 3
2014 1
2015 4
2016 2
2017 4
2018 0
2019 1
2020 3
2021 3
Total 194
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Robert M. Pilliar publications per year - data summary

  • Robert M. Pilliar, a Materials Science scholar from University of Toronto, has 194 publications recorded across 51 years, from 1971 to 2021.
  • The oldest publication on record dates to 1971 and the most recent to 2021.
  • The most productive year is 1991, with 11 publications.
  • The least productive years with any output are 1971, 1973, 1974, 1984 and others, with 1 publication each.
  • 3 of the 51 years in the span carry no publications at all (1972, 1995 and 2018).
  • The rate of publication averages 3.8 papers per year over the whole span, or 4.0 per year counting only the 48 years with at least one publication.
  • The last 5 years on the chart (2017-2021) hold 11 publications, 6% of the career total.
  • Split into equal eras - 1971-1987: 49 publications (2.9 per year); 1988-2004: 74 publications (4.4 per year); 2005-2021: 71 publications (4.2 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Robert M. Pilliar 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 M. Pilliar 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, 150–169 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: 161 publications — 17th percentile

17% 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
150–169 835 161
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
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 M. Pilliar publication distribution in Materials Science in 2026 - data summary

  • The chart plots the publication count of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 57 ranges running from 50–69 to 1,163+ publications.
  • Robert M. Pilliar, a Materials Science scholar from University of Toronto, records 161 publications - the 17th percentile of the discipline.
  • 17% of ranked Materials Science scientists score the same or lower than Robert M. Pilliar, and about 83% score higher.
  • The median of the discipline falls in the 250–269 publications range, and Robert M. Pilliar ranks below the median.
  • The most crowded range is 190–209 publications, holding 891 scientists (7% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 330–349 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,163 publications or more, 100 scientists in all (<1% of the field).

Robert M. Pilliar 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 M. Pilliar 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, 60–61 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: 60 D-Index — 46th percentile

46% 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 60
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
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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Robert M. Pilliar D-index placement in Materials Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 64 ranges running from 40–41 to 165+ D-Index.
  • Robert M. Pilliar, a Materials Science scholar from University of Toronto, records 60 D-Index - the 46th percentile of the discipline.
  • 46% of ranked Materials Science scientists score the same or lower than Robert M. Pilliar, and about 54% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Robert M. Pilliar ranks below the median.
  • The most crowded range is 52–53 D-Index, holding 667 scientists (5% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 165 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Robert M. Pilliar is affiliated with the University of Toronto in Canada. Their research spans multiple fields, including Engineering, Medicine, and Materials Science, with particular attention to Surgery, Mechanical Engineering, Mechanics of Materials, Biomaterials, and Materials Chemistry.

The scientist's work concentrates on topics related to orthopedic implants and arthroplasty, metal and thin film mechanics, as well as advanced materials and composites. Other specific areas of interest include magnesium alloys, titanium alloys microstructure and properties, aluminum alloys composites properties, and bone tissue engineering materials.

Research publications by Robert M. Pilliar include the following:

  • "Improving fretting corrosion resistance of CoCrMo alloy with TiSiN and ZrN coatings for orthopedic applications," 2020, Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials
  • "Additive manufacture of porous ceramic proximal interphalangeal (PIP) joint implant: design and process optimization," 2021, The International Journal of Advanced Manufacturing Technology
  • "Improving fretting corrosion resistance of CoCrMo alloy with TiSiN and ZrN coatings for orthopedic applications," 2020, arXiv (Cornell University)

Frequent collaboration occurs with several co-authors, including Chen-En Tsai, James Hung, Youxin Hu, Da-Yung Wang, and Rizhi Wang, each contributing to multiple publications.

The main publication venues associated with this researcher are:

  • Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials
  • The International Journal of Advanced Manufacturing Technology
  • arXiv (Cornell University)

Best Publications

  • The optimum pore size for the fixation of porous-surfaced metal implants by the ingrowth of bone.

    J D Bobyn;R M Pilliar;H U Cameron;G C Weatherly

  • The effect of movement on the bonding of porous metal to bone

    Hugh U. Cameron;Robert M. Pilliar;Ian Macnab

  • Porous calcium polyphosphate scaffolds for bone substitute applications -- in vitro characterization.

    R.M Pilliar;M.J Filiaggi;J.D Wells;M.D Grynpas

  • Porous-surfaced metallic implants for orthopedic applications.

    Pilliar Rm

  • Student research award in the undergraduate, Master candidate category, or health science degree candidate category, 17th annual meeting of the society for biomaterials, scottsdale, AZ may 1–5,1991. Characterization of the interface in the plasma‐sprayed HA coating/Ti‐6Al‐4V implant system

    M. J. Filiaggi;N. A. Coombs;R. M. Pilliar

  • The rate of bone ingrowth into porous metal

    H. U. Camron;R. M. Pilliar;I. Macnab

  • Resorbable implant biomaterial made of condensed calcium phosphate particles

    Rita Kandel;Robert Pilliar;Marc Grynpas

  • Effect of pore size on the peel strength of attachment of fibrous tissue to porous-surfaced implants.

    J. D. Bobyn;G. J. Wilson;D. C. MacGregor;R. M. Pilliar

  • Evaluation of biodegradable ceramic

    H. U. Cameron;I. Macnab;R. M. Pilliar

  • Porous surfaced implant

    Robert M. Pilliar;Douglas A. Deporter;Phillip A. Watson

  • Repair of osteochondral defects with biphasic cartilage-calcium polyphosphate constructs in a sheep model.

    R A Kandel;R A Kandel;M Grynpas;M Grynpas;R Pilliar;J Lee

  • Porous calcium polyphosphate scaffolds for bone substitute applications in vivo studies

    M.D. Grynpas;R.M. Pilliar;R.A. Kandel;R. Renlund

  • The effect of sol-gel-formed calcium phosphate coatings on bone ingrowth and osteoconductivity of porous-surfaced Ti alloy implants.

    H.Q. Nguyen;D.A. Deporter;R.M. Pilliar;N. Valiquette

  • Dental implant design–effect on bone remodeling

    R. M. Pilliar;D. A. Deporter;P. A. Watson;N. Valiquette

  • Osseointegration of sintered porous-surfaced and plasma spray-coated implants: An animal model study of early postimplantation healing response and mechanical stability.

    Craig A. Simmons;Nancy Valiquette;Robert M. Pilliar

  • Bone ingrowth and stress shielding with a porous surface coated fracture fixation plate

    R. M. Pilliar;H. U. Cameron;A. G. Binnington;J. Szivek

  • The fatigue strength of porous-coated Ti-6%Al-4%V implant alloy.

    S. Yue;R. M. Pilliar;G. C. Weatherly

  • Surgical implants. The role of surface porosity in fixation to bone and acrylic.

    Welsh Rp;Pilliar Rm;Macnab I

  • Overview of surface variability of metallic endosseous dental implants: textured and porous surface-structured designs.

    Robert M. Pilliar

  • Characterization of cartilagenous tissue formed on calcium polyphosphate substrates in vitro.

    Stephen D. Waldman;Stephen D. Waldman;Marc D. Grynpas;Marc D. Grynpas;Robert M. Pilliar;Rita A. Kandel;Rita A. Kandel

  • Cyclic compressive mechanical stimulation induces sequential catabolic and anabolic gene changes in chondrocytes resulting in increased extracellular matrix accumulation.

    J.N.A. De Croos;S.S. Dhaliwal;M.D. Grynpas;M.D. Grynpas;R.M. Pilliar;R.M. Pilliar

Frequent Co-Authors

Marc D. Grynpas
Marc D. Grynpas University of Toronto
Neil Coombs
Neil Coombs University of Toronto
S.A. Meguid
S.A. Meguid University of Toronto
Christopher A. McCulloch
Christopher A. McCulloch University of Toronto
Michael Glogauer
Michael Glogauer University of Toronto
William L. Stanford
William L. Stanford Ottawa Hospital
Peter J. Roughley
Peter J. Roughley McGill University
Jane E. Aubin
Jane E. Aubin University of Toronto
K. de Groot
K. de Groot University of Twente
Jaro Sodek
Jaro Sodek University of Toronto

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