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Journal of Superhard Materials is Scopus-indexed (Q3, CiteScore 2.4), WoS SCIE. It is covered by India's One Nation One Subscription scheme for reading access. Published by Allerton Press Inc..
Checked against the index lists dated .
ISSN 1063-4576Verify ISSN ↗1934-9408Verify ISSN ↗
Publisher: Allerton Press Inc.
Cost to publish: No APC data — check the publisher
| Subject area | Rank | Pctile | Q |
|---|---|---|---|
| Materials Science (all) | 315 / 475 | 33rd | Q3 |
| Inorganic Chemistry | 65 / 86 | 25th | Q3 |
Not listed in: DOAJ, ABDC, ABS / AJG, FT50, UT Dallas, ONOS (APC covered)
Yes — actively indexed in Scopus, coverage 2007–present, best quartile Q3, CiteScore 2.4.
Journal of Superhard Materials is Q3 in Materials Science (all) (rank 315 of 475) and Q3 in Inorganic Chemistry (rank 65 of 86), by CiteScore 2025.
Journal of Superhard Materials is indexed in the Science Citation Index Expanded, so it may have a Journal Impact Factor in Clarivate's Journal Citation Reports. JCR is paid, so check it for the current value. The closest free measure is its Scopus CiteScore 2.4, which places it in quartile Q3 at the 33rd percentile of its subject. Its SCImago Journal Rank (SJR, a free Scopus-based metric) is 0.329, quartile Q3, with an H-index of 30.
Journal of Superhard Materials is published by Allerton Press Inc. Its print ISSN is 1063-4576 and its online ISSN is 1934-9408.
Yes. It is part of the One Nation One Subscription (ONOS) national subscription, so readers at participating Indian institutions get its full text. ONOS does not cover its article processing charge.
Yes — indexed in the Science Citation Index Expanded.
No — it is not registered as an open-access journal in DOAJ or Scopus.
Journal of Superhard Materials has an h-index of 33 and a 2-year mean of 1.29 citations per paper (OpenAlex). Its Scopus CiteScore is 2.4, quartile Q3. On 2-year citations it ranks #306 of 438 Scopus journals in Materials Science (all).
Journal of Superhard Materials published 57 papers in 2025; its busiest recent year was 2018 with 60. 2026* is the year so far.
h-index, i10-index and 2-year mean citedness are open, licence-clear metrics from OpenAlex — not a proprietary impact factor. The subject rank counts only journals that OpenAlex has a figure for; it is not a Scopus or Clarivate ranking. Updated 2026-10-14.
In its latest 97 research articles (2024–2026), authors are most often from Ukraine (72%), China (11.7%) and Lebanon (6.7%). More than half of recent authorship comes from one country.
Countries are counted fractionally, so a paper by authors from two countries counts half to each.
Scopus status: Active. No retracted papers are recorded. The Problematic Paper Screener flags none of its papers. These are indicators to check, not findings against the journal.
Retractions from OpenAlex; flags from the Problematic Paper Screener (Cabanac, Labbé & Magazinov, CC BY), 2026-09-21 export. A flag marks a paper for a closer look; it is not a finding against the journal.
Index data is curated from public sources (Scopus, Web of Science, ABDC, FT50, UT Dallas, DOAJ). CiteScore and quartiles reflect the latest available Scopus release. Always verify a journal's current status on its official source before submitting.
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