Journal profile · Engineering-Engineering (all)
Engineering Research Express
ISSN 2631-8695 · Institute of Physics Publishing
Engineering Research Express: CAS Zone 4 · Engineering (2025 upgraded edition); hybrid open access; APC about USD 2,400; median 108 days to acceptance (152 articles, last 24 months); 1,812 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Engineering Research Express is published by Institute of Physics Publishing and is in Zone 4 of Engineering in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Machine Fault Diagnosis Techniques, Advanced Neural Network Applications and Advanced machining processes and optimization, together about 25.2% of its articles. Its main subfields are Mechanical Engineering. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): Engineering-Engineering (all)
Main research topics OpenAlex counts of recent articles; shares are approximate
- Machine Fault Diagnosis TechniquesEngineering11.1%
- Advanced Neural Network ApplicationsComputer Science8.4%
- Advanced machining processes and optimizationEngineering5.7%
- Industrial Vision Systems and Defect DetectionEngineering4.9%
- Microgrid Control and OptimizationEngineering4.7%
- Aluminum Alloys Composites PropertiesEngineering4.5%
- Gear and Bearing Dynamics AnalysisEngineering4.4%
- Infrastructure Maintenance and MonitoringEngineering4%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Engineering, Multidisciplinary | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Engineering Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Engineering | Zone 4 |
| Minor | Engineering, Multidisciplinary | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- CiteScore 2026-06
- 2.1LetPub ·
- SJR 2026-06
- 0.32LetPub ·
- SNIP 2026-06
- 0.58LetPub ·
- h-index
- 39OpenAlex ·
- i10-index
- 397OpenAlex ·
- 2-year mean citedness
- 1.55OpenAlex ·
- Self-citation rate
- 11.1%LetPub ·
- Share of gold OA articles
- 30.18%LetPub ·
Volume
- Articles per year
- 1,758LetPub ·
Articles by year OpenAlex count · 6,376 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 2,388 | 1,695 | 378 |
| 2025 | 1,812 | 304 | 3,062 |
| 2024 | 1,076 | 482 | 4,732 |
| 2023 | 383 | 376 | 2,604 |
| 2022 | 220 | 160 | 1,729 |
| 2021 | 203 | 118 | 2,016 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Review & acceptance
Review time and acceptance
Review time from article dates manuscript dates registered with Crossref · to
108 daysMedian, submission to acceptance · P25–P75 78 days – 135 days
- Acceptance to online
- median 12 days (152 articles)
- Submission to online
- median 119 days
- Sample
- 152 articles with submission and acceptance dates (4,513 in the window); the latest was accepted on
Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".
Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.
Fees & open access
APC and open-access policy
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 2,400 / EUR 2,030 / GBP 1,785 | — | — |
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Institute of Physics Publishing
- ISSN
- 2631-8695
- Official links
- Journal homepage ↗OpenAlex
FAQ
Frequently asked questions about Engineering Research Express
What CAS zone is Engineering Research Express in?
In the 2025 upgraded edition of the CAS Journal Ranking, Engineering Research Express is in Zone 4 of Engineering, and in Zone 4 of the minor category Engineering, Multidisciplinary. In the 2026 Xinrui edition it is in Zone 4 of Engineering. Zones from different editions, and from major and minor categories, are not interchangeable.
How long does peer review take at Engineering Research Express?
Based on the dates recorded on 152 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 108 days (interquartile range 78–135 days). Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.
Which databases index Engineering Research Express?
According to LetPub and DOAJ records, Engineering Research Express is indexed in ESCI and Scopus.
Is Engineering Research Express open access, and what is the APC?
Engineering Research Express is a hybrid journal. For open-access publication: APC about USD 2,400.
Sources and updates
The facts on this page come from LetPub, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .